LW38 series change-over switch

Best Quality Shortest Delivery Period Optimal Service 2023-1 Version

 Corporate Culture

Vision:
To make our company to be one of the leading enterprises in the industry of our domestic master-control electrical
appliances with low-voltage and the construction machinery lighting.
Our Mission:
To provide customers with the best quality, the shortest delivery period, the best cost-effective products and optimal
service!
Values:
Customer-oriented, never forget the mission; Pragmatic innovation, win-win cooperation!
 Company
Profile

Jiangyin Changjiang was built in 1992, the first company who designed the low voltage signal lamp with LED
technology, and it was been used and produced. At the same time, created the brand of “Changjiang Electric
Appliance” and gradually build it into a famous brand in China.

After 30 years of trials and hardships, the company has developed into a leader in the lighting industry of electrical
appliances and construction machinery. The main products include: signal lamp, button, transfer switch, current
transformer and construction machinery lighting, etc., widely used in the electric power, construction machinery,
industrial control, elevator, communication, rail transit, new energy and other industries. The company's products
are novel in design and reliable in performance, which are widely recognized by downstream customers, including
many well-known enterprises.

We adhere to be customer-oriented, rapidly response to our customers' non-standard customization needs, and
strive to provide excellent solutions for customers; We adhere to the technical innovation as the support, and
constantly expand our R&D team to focus on the product’s development and upgrading; We insist on doing
excellence in every detail, continuous optimization and improvement, and strive to provide superior quality and
service for customers.
 CONTENTS

LW38 series change-over switch

Product introduction................................................................................................................................. 1

LW38D-10 series switch............................................................................................................................. 4

LW38D(E)-16(20) series switch.................................................................................................................. 5

Special switch for relay protection and distribution network automation.............................................................. 11

LW38DG(EG)-16(20) series switch.............................................................................................................. 17

LW38D(E)-16(20) series back wiring switch.................................................................................................. 19

LW38S-16 series ultra short switch .............................................................................................................. 21

LW38A-16 sereis multi-step switch............................................................................................................. 22

LW38E-32 series high current switch.......................................................................................................... 24

LW38F series main switch........................................................................................................................ 25

Connection diagrams................................................................................................................................ 27

Face plates.............................................................................................................................................. 32
 LW38 series change-over switch is widely used in electric control cabinet and electromechanical control in the
measurement, conversion, remote control and other applicantions. At present, we have A, B, C, D, E, F, S seven series to
choose from, fully considering the needs of users from all walks of life.

Standard

Working condition

Temperature Pollution class III

（Customized -40℃） Relative air humidity

Altitude Overvoltage class III

Tech specification

Uimp
Alternating current Ie
AC-15

DC-13

Voltage V

AC electrical life 0000 0000 0000

DC electrical life 0000 0000 0000
Mechanical life 0000 0000 0000

1
 Significance of models

LW38① - ② ③ ④ ⑤ / ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ ⑫ - ⑬ - ⑭
① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ ⑫ ⑬ ⑭
series resistance angle position contact layer installation method connection plate handle and axis indicator key key function customer code
current

A 10 3 A 1~5 *1-12 Default Blank Default Blank Default Blank Default Blank Default Blank Default Blank Default Blank
B 16 4 B C Single-hole H Back wiring L Synchronous D Two indicators Y Key on handle DAN One to one
C 20 6 C U Din-rail G Roll ball P D* FTU handle D1 Two indicators(CSG)
YS Key/handle seperated
Small plate
D 25 9 D A Two-hole M Flat no plate DS Multi-step Q Three indicators(CSG)
YS1 Key/handle seperated
E 32 E 9E B Four-hole W No plate J Long axis F Four indicators(CSG)
S Padlock
F F B1 Four-hole LC Pull operable, press locking T Handle off
DG G B2 Four-hole LF Pull operable, release reset
EG H TC Push operable, pull locking
S I(4I/6I) TF Push operable, release reset

2
J G(1\2\3) Power handle
K(3K)
L
M(3M)
TM
N
P
Q
FB
EA
PA

If you need APP to help to choose, please consult local sales.

Note: 1. The function codes in the figure are not arbitrary combinations, but only the order of the codes. The details are subject to the product model shown in the
sample legend.
2. If the use of harsh environment or customer special needs, such as salt spray TH, protection level IPXX, gold plated contact Au, etc., please in the customer
code (can be omitted) behind optional notes: voltage, color, lettering, handle selection, key extraction position,TH, IPXX, Au.
3. When the heating current is 10A, the number of sections is 1-8 sections.
 Positioning code

Angle code
Self-resetting
Positioning
Position type
Positioning self-resetting

PA

Ordering notice

Basic parameters description of switch:

Series selection: Resistive selection (A):
Function selection: Handle selection (code):

Plate lettering

Handle angle
Contact number and closing status

3
LW38D-10 series switch
This series is small in size, reliable in structure, the front protection of the board reaches IP65, and has an anti-
finger contact connection mode, which is higher in safety, and is widely used in compact installation environment.

Alternating current 10A

Operating angle 45°, 90°, no self-resetting (customized)
Maximum number of contact layers is 8
Mounting hole size is 16 or 22

LW38D-10/C n is the number of contact

layers，n=1 ~ 8
(Normal )

1~3

LW38D-10/CY n is the number of contact

( Key ) layers，n=1 ~ 8

1~3

Ø29
3 4

7 8

30.1 L=37+9.5n 29
n is the number of contact
layers，n=1 ~ 8
LW38D-10/CWY
( Key and no plate )

LW38D-10/CP n is the number of contact

( Small plate ) layers，n=1 ~ 8
●Small plate(letters can be customized)，size is 27*10mm

4
LW38D-16(20) series switch
This series is beautiful in appearance, novel in design, complete in variety and safe and reliable in structure.

Alternating current 16A, 20A

Operating angle 30°, 45°, 60°, 90°
Maximum number of contact layers is 12, but recommend is 8

1~3
36±0.2

4-Ø4.5
Ø10

36±0.2
48
LW38D-16
LW38D-20 48
31 25.4+9.5×n
( Normal ) n is the number of contact ●Four-hole mounting
layers，n=1 ~ 12
1~3
Ø4.5
36±0.2
0
1 2

36±0.2
48
48
20

46
18
2

8
4
6

Ø22

LW38D-16/Y 45.6 30.8+9.5×n 48

LW38D-20/Y n is the number of contact layers，n=1 ~ 12 ●Four-hole mounting

(Four-hole ●Be operable when insert the key
mounting ) ●Please add -DAN to the end of the model for customized non-matching
keys, at most 100
●The key can be pulled out at the positioning gear
1~3
36±0.2 4-Ø4.5

36±0.2
48
84

40.6
Ø20
LW38D-16/YS
LW38D-20/YS 31.4 35.9+9.5×n 48
n is the number of contact
(Key ) layers，n=1 ~ 12 ●Be not operable after locking and the key cannot be pulled out (right
positioning gear)
●Please add -DAN to the end of the model for customized non-matching
keys, at most 14
默认颜色及接线图
X0X1 X3

31 绿 红 40+0.1
14.2+0.1

32.1
65

36±0.2
48
20

46
18
2

8
4
6

Ø1
0
Ø4.5
36±0.2
LW38D-16/D1 31 34.9+9.5n 48
LW38D-20/D1 ●The indicator is green on the left and red on the right, other color need
( Two indicators ) to be customized
●Lamp shade can be customized lettering
●The indicator can be customized for ESD protection
●The indicator is independent connection of the switch

5
 Default color and pin
X0X1 X2 X3

31 G Y R 40+0.1

14.2+0.1

32.1
65

36±0.2
48
20

46
18
2

8
4
6
Ø1
0
Ø4.5
LW38D-16/Q 36±0.2
LW38D-20/Q 31 34.9+9.5n 48
( Three indicators ●The indicator is green on the left, yellow on the center and red on the
for CSG) right, other color need to be customized
●Lamp shade can be customized lettering
●The indicator can be customized for ESD protection
●The indicator is independent connection of the switch

Default color and pin

L4 L3 L2 L1C1~C3

22.8 W W W W 40+0.1

14.8+0.1

32.1
65

36±0.2
48
20

46
18
2

8
4
6

Ø1
0
Ø4.5
36±0.2
LW38D-16/F 48
31 34.9+9.5n
LW38D-20/F
●The indicator is white by default
( Four indicators ●Lamp shade can be customized lettering
for CSG) ●The indicator can be customized for ESD protection
●The indicator is independent connection of the switch

X0X1 X2 X3
40+0.1
31
G Y R
14.2+0.1

32.1
65

36±0.2
48
20

46
18
2

8
4
6

Ø22

Ø4.5
36±0.2
LW38D-16/QY 45.6 34.9+9.5n 48
n is the number of contact
LW38D-20/QY layers，n=1 ~12 ●The indicator is green on the left, yellow on the center and red on the
( Key and right, other color need to be customized
indicator ) ●Lamp shade can be customized lettering
●The indicator can be customized for ESD protection
●The indicator is independent connection of the switch

1~3

3.2
Ø22.3
24.1
48

LW38D-16/C 25.8 44.8+9.5×n

48
LW38D-20/C n is the number of contact
layers，n=1 ~ 12
( Single-hole ●Single-hole mounting
mounting )

6
 1~3

3.2
Ø22.3

24.1
48
32.8 44.8+9.5×n 48
n is the number of contact
LW38D-16/CY layers，n=1 ~ 12
LW38D-20/CY ●Single-hole mounting
●Please add -DAN to the end of the model for customized non-matching
( Key and single-
keys, at most 14
hole mounting) ●The key can be pulled out at the positioning gear

1~3

3.2
Ø22.3

24.1
48
44.8+9.5×n
LW38D-16/CS 34.8
n is the number of contact
48

LW38D-20/CS layers，n=1 ~12

( Padlock and single- ●Single-hole mounting
●Customers are required to equip themselves with padlocks, diameter
hole mounting) ≤5mm

1~3
Ø28.8 3.2
Ø22.3

24.1
34.5 44.8+9.5×n
n is the number of contact
●Single-hole mounting
layers，n=1 ~12 ●Be operable when insert the key
LW38D-16/CWY ●Please add -DAN to the end of the model for customized non-
LW38D-20/CWY matching keys, at most 14
( Key and no plate )

1~3

3.2
Ø35.2 Ø22.3 2.6 Ø22.3
24.1
18.5

默认开孔 配止转圈时

30.7 44.8+9.5×n
n is the number of contact
layers，n=1 ~ 12
●Single-hole mounting
●No plate
( No plate and single-
hole mounting )

7
 1~9
Ø36
0.5
Ø3

LW38D-16/CM
LW38D-20/CM
( No plate and single-hole 28+0.2

mounting ) 15.7 55.1+9.5×n

n is the number of contact
Back wiring model is layers，n=1 ~12
●Single-hole mounting
LW38D-16/CHM ●Customized locking ring, ordering note: locking ring
LW38D-20/CHM

1~3

LW38D-16/W
LW38D-20/W n is the number of contact
layers，n=1 ~12
( No plate ) ●Two-hole mounting
●No plate

1~3

0 3.2
Ø22.3
1 2
61

24.1
2
4
6
8

LW38D-16/CPS 35.9 45.3+9.5n 48

LW38D-20/CPS n is the number of contact
(Small plate, padlock layers，n=1 ~12 ●Single-hole mounting
●Customers are required to equip themselves with padlocks, diameter
and single-hole
≤5mm
mounting)
●small plate(letters can be customized)，size is 45*11mm

1~3

0 3.2
Ø22.3
1 2
61

24.1
2
4
6
8

48.9 45.3+9.5n 48
LW38D-16/CPY2 n is the number of contact
●Single-hole mounting
layers，n=1 ~12
LW38D-20/CPY2 ●Please add -DAN to the end of the model for customized non-matching
(Small plate, key and keys, at most 14
single-hole mounting) ●The key can be pulled out at the positioning gear
●Small plate(letters can be customized)，size is 45*11mm

8
 1~3

Ø4.5
36(48)±0.2

36(48)±0.2
48(64)
Ø10

87.5
53.9+9.5n
n is the number of contact
layers，n=1 ~12

LW38D(E)-16/LC(TC)
LW38D(E)-20/LC(TC) Pull out 52.3 48(64)
( Pull/push locking ) Push distance is 5.5

Ø4.5
36(48)±0.2

36(48)±0.2
48(64)
Ø10

87.5
53.9+9.5n
n is the number of contact
layers，n=1 ~12

LW38D(E)-16/LF(TF)
LW38D(E)-20/LF(TF) Pull out 52.3 48(64)
( Pull/push resetting ) Push distance is 5.5

1~3 64

48 4-Ø4.5
77.5

89

Ø10
48
18
20

46
48
2
4
6
8

L
45.9+9.5×n
5.5

44.1
Two initial positions n-1 ●After padlocking, handle can be pulled out or push, but cannot be turned
LW38E-16/PLC(TC)S Push distance is 3.6mm ●Customers are required to equip themselves with padlocks, diameter
Small plate ≤5mm
Pull/push locking
●Small plate(letters can be customized)，size is 61*12mm

1~3 64

48 4-Ø4.5
77.5

89

Ø10
48
18
20

46
48
2
4
6
8

L
45.9+9.5×n
●After padlocking, handle can be pulled out or push, but cannot be turned
5.5

44.1
LW38E-16/PLF(TF)S Two initial positions n-1 ●Customers are required to equip themselves with padlocks, diameter
Push distance is 3.6mm
Small plate ≤5mm
Pull/push resetting
●Small plate(letters can be customized)，size is 61*12mm

9
 1~3

48 4-Ø4.5

Ø10

48
64
LW38E-16
LW38E-20 64
( Normal) 29.8 25+9.5xn ●Four-hole mounting
n is the number of contact layers，n=1 ~12

1~3

48 4-Ø4.5

Ø10

77.5

48
LW38E-16/P
LW38E-20/P 64
( Small plate ) 29.8 25+9.5xn ●Four-hole mounting
n is the number of contact layers，n=1 ~12
( P1 is intergrated) ●Small plate(letters can be customized)，size is 61*12mm

1～3

4-Ø4.5

Ø22.5
2-Ø4.5

48
76
4

8
2

30
LW38E-16/Y 48

LW38E-20/Y 48.3 56.8+9.5xn

76

( Key ) n is the number of contact layers，n=1 ~12

●Four-hole mounting

1~3
48 4-Ø4.5

Ø10
112

48

YS1:Ø22 YS:Ø35

LW38E-16/YS(1)
●Four-hole mounting
LW38E-20/YS(1) 36.5 46.4+9.5×n 64
n is the number of contact layers，n=1 ~12 ●Be operable when insert the key
( Key ) ●Please add -DAN to the end of the model for
customized non-matching keys, at most 400
1~3

48
0 4-Ø4.5
1 2
46
10
2

48
12
8
4

48
126.7

Ø
10
48

YS1:Ø22 YS:Ø35

●Four-hole mounting
LW38E-16/PYS(1) 64
●Be operable when insert the key
LW38E-20/PYS(1) 36.5 46.4+9.5×n
n is the number of contact layers，n=1 ~12 ●Please add -DAN to the end of the model for
( Key and small plate ) customized non-matching keys, at most 400
●Small plate(letters can be customized)，size is
61*12mm
10
Switch for relay protection and distribution network automation

Short 35.2 Long 43.4 33.9+13.2n

30.4
Ø3

M4

Ø2.2
1.8

Handle 1 Handle 2 Handle 3

26（MAX34.7） 26(MAX36.7) 27
LW38A-16/D* 27 27 32（MAX40.7）
(Especially for Func Axis size Gro Handle
Ordering explain
L S und Handle1 Handle2 Handle3
FTU) tion

Func Normal add D*：

(Select the combination
iton A B N 1 2 3 according to the function, such
Note: The handle positioning holes on the handle 2 panel must be M4 threaded holes as Long handle + ground +
code handle 1, code DAN1)

50
43.1 27.9+9.5n

2-Ø5
30

Ø11

LW38D-16/D*
(Especially for Func Axis size Handle
Ordering explain
FTU) tion Only one Handle1 Handle2 Handle3

Func Normal add D*：

●Especially for boundary switch controller iton A 1 2 3
(Select the combination
according to the function, such
●Handle style is the same as LW38A-16/D* code
as Axis + handle 1, code DA1)
47.2
1~3

Ø4.5
36±0.2
Odd:45.5+9.5(n/2-0.5)
Even:45.5+9.5n/2
Odd:45.5+9.5(n/2+0.5)
Even:45.5+9.5n/2

Ø10
36±0.2
50
65

LW38D-16/L
75 90.4
LW38D-20/L
( Synchronous
switch )

11
 Panel 48

Voltage measurement switch

12

76
31
LW38D-16/BP LW38D:24.4+9.5n
72

LW38D-20/BP 31.8 LW38A:29.9+13.2n

n is the number of contact
LW38A-16/BP layers，n=1 ~12
( Label )

Panel
48

Voltage measurement switch

12

76
4-M3
31

72
LW38D:29.8+9.5n
LW38D-16/BPY 30.6 LW38A:33+13.2n
n is the number of contact
LW38D-20/BPY

56
64
69
layers，n=1 ~12

LW38A-16/BPY ●Be operable when insert the key

( Label and key ) ●Please add -DAN to the end of the model for customized non-matching
keys, at most 100
52
60

G R 68

Panel
76

Front panel mounting

Label size：49*13
31

LW38D-16/BD
LW38D-20/BD 31.8
LW38D:33.9+9.5n
LW38A:41.9+13.2n nis
72

LW38A-16/BD the number of

contact layers，n=1~12
( Indicator )
Two indicators

Panel
48

Voltage measurement switch

12

76
31

LW38D-16/BPT LW38D:33.2+9.5n
72

32.7 LW38A:31.9+13.2n n
LW38D-20/BPT is the number of
LW38A-16/BPT contact layers，n=1~12

( Label and handle off ) Handle off

12
 G R
Panel

4-M3

76
31
LW38D-16/BDT

56
64
69
LW38D:33.2+9.5n 72
LW38D-20/BDT 32.2 LW38A:43.9+13.2n
n is the number of
LW38A-16/BDT contact layers，n=1~12
( Indicator and
Handle off Two indicators
handle off )
52
60
G R
68
Panel

76
Front panel mounting
31

Label size：49*13
72
LW38D-16/BDY 30.6
LW38D:39.3+9.5n
LW38A:45+13.2n
LW38D-20/BDY n is the number of
contact layers，n=1~12
LW38A-16/BDY
( Indicator and key ) ●Be operable when insert the key
●Please add -DAN to the end of the model for customized non-matching
keys, at most 100

Panel

4-M3
77

55
63
71

LW38A-16/B1
75
LW38D-16/B1 32.9
LW38D:25.4+9.5n
LW38A:30.9+13.2n
n is the number of
LW38D-20/B1 contact layers，n=1~12
( Normal ) 52

60
68

Panel
77

Front panel mounting

Label size：40*18

75
LW38A-16/B1T 40.5
LW38D:34.2+9.5n
LW38A:32.9+13.2n
LW38D-16/B1T n is the number of
contact layers，n=1~12
LW38D-20/B1T
( Handle off )
Handle off

13
 Panel

77
75
LW38D:30.8+9.5n
31.8 LW38A:34+13.2n
LW38A-16/B1Y n is the number of
contact layers，n=1~12
LW38D-16/B1Y
LW38D-20/B1Y
( Key) ●Be operable when insert the key
●Please add -DAN to the end of the model for customized non-matching
keys, at most 100

Panel

29.75
77

4-M3

16
LW38A-16/B1P LW38D:25.4+9.5n 40
LW38D-16/B1P 32.9 LW38A:30.9+13.2n
n is the number of
75

71

55
63
LW38D-20/B1P contact layers，n=1~12
( Label )

52
Panel
60
68
29.75
77

Front panel mounting

16

Label size：40*18
LW38D:34.2+9.5n 40
LW38A-16/B1PT 40.5 LW38A:32.9+13.2n
75
n is the number of
LW38D-16/B1PT contact layers，n=1~12
LW38D-20/B1PT
( Label and handle
off ) Handle off

Panel
29.75
77

16

LW38D:30.8+9.5n
LW38A-16/B1PY 31.8 LW38A:34+13.2n 40
n is the number of
LW38D-16/B1PY contact layers，n=1~12 75

LW38D-20/B1PY
( Label and key ) ●Be operable when insert the key
●Please add -DAN to the end of the model for customized non-matching
keys, at most 100

14
 4-M3
G R
Panel

55
63
71
77

29.75
LW38A-16/B1D 52

60
LW38D-16/B1D 32.9
LW38D:34.9+9.5n
LW38A:42.9+13.2n 75 68
LW38D-20/B1D n is the number of
contact layers，n=1~12
( Indicator )
Front panel mounting

G R

Panel

4-M3
77

29.75
LW38A-16/B1DT

55
63
71
LW38D:34.2+9.5n
LW38D-16/B1DT 40.5 LW38A:44.9+13.2n
75
n is the number of
LW38D-20/B1DT contact layers，n=1~12
( Handle off ) Handle off

52

60
G R
Panel 68
77

29.75

Front panel mounting

Label size：40*18
LW38A-16/B1DY LW38D:40.3+9.5n 75
LW38D-16/B1DY 31.8 LW38A:46+13.2n
n is the number of
LW38D-20/B1DY contact layers，n=1~12

( Key and indicator ) ●Be operable when insert the key

●Please add -DAN to the end of the model for customized non-matching
keys, at most 100
4-M3

Panel G R
85

69
77
91

15

LW38A-16/B1PD 52

LW38D-16/B1PD 32.9
LW38D:34.9+9.5n
LW38A:42.9+13.2n
40 60

LW38D-20/B1PD n is the number of

contact layers，n=1~12
75 68

( Label and Front panel mounting

indicator ) Label size：40*18

15
 G R
Panel

4-M3

91

15

85

69
77
LW38D:34.2+9.5n 40
LW38A-16/B1PDT 40.5 LW38A:44.9+13.2n
75
n is the number of
LW38D-16/B1PDT contact layers，n=1~12
LW38D-20/B1PDT Handle off
( Key, label and handle off )
52

60
G R 68
Panel

91

Front panel mounting

15
Label size：40*18
LW38D:40.3+9.5n 40
LW38A-16/B1PDY 31.8 LW38A:46+13.2n
n is the number of 75
LW38D-16/B1PDY contact layers，n=1~12
LW38D-20/B1PDY
( Key, label and indicator ) ●Be operable when insert the key
●Please add -DAN to the end of the model for customized non-matching
keys, at most 100

Accessory
C series Default
default is white

R type handle I type handle B type handle F type handle

C、D、E series A、B、D、E series D series C、D series

C series
default is white
G1 type handle G2 type handle G3 type handle
K type handle ( 75*75 ) ( 64*64 ) ( 48*53 )
C series D、E series D、E series D series

K type handle L type handle R、I、B、F type handle

A、B、D、E series A、B、D、E series D、DG series

16
LW38DG(EG)-16(20) series switch
This series is beautiful in appearance, novel in design, complete in variety and safe and reliable in structure.

Alternating current 16A, 20A

Operating angle 30°, 45°, 60°, 90°
Maximum number of contact layers is 12, but recommend is 8

1~3

LW38DG-16
LW38DG-20 31 25.4+9.5×n
( Normal ) n is the number of contact layers，n=1~12 ●Four-hole mounting

1~3

0
Ø4.5
36±0.2
1 2

48
48
20

46
18
2

8
4
6

36±0.2
Ø22
45.6 30.8+9.5×n 48
n is the number of contact layers，n=1~12
LW38DG-16/Y ●Four-hole mounting
LW38DG-20/Y ●Be operable when insert the key
(Key) ●Please add -DAN to the end of the model for customized non-matching
keys, at most 100
1~3 ●The key can be pulled out at the positioning gear
36±0.2 4-Ø4.5

36±0.2
48
84

40.6
Ø20

31.4 35.9+9.5×n 48
n is the number of contact
LW38DG-16/YS layers，n=1~12 ●Be not operable after locking and the key cannot be pulled out (right
LW38DG-20/YS positioning gear)
( Key ) ●Please add -DAN to the end of the model for customized non-matching
keys, at most 14

Default color and pin

X0X1 X2 X3

31 G Y R 40+0.1
14.2+0.1

32.1
65

36±0.2
48
20

46
18
2

8
4
6

Ø1
0

Ø4.5
LW38DG-16/Q 36±0.2
31 34.9+9.5n 48
LW38DG-20/Q
●The indicator is green on the left, yellow on the center
( Three indicators and red on the right, other color need to be customized
for CSG ) ●Lamp shade can be customized lettering
●The indicator can be customized for ESD protection
●The indicator is independent connection of the switch

Note: The new DG,EG series can realize the above functions, if you need other functions, please consult the local sales.
17
 1~3

Ø10
2-Ø4.2

30±0.2

n is the number of contact

LW38DG-16/A1 layers，n=1~12 Note: LW38DG-16(20)/A1 can replace LW38A directly
LW38DG-20/A1 ●Two-hole mounting
( Normal)

1~3

Ø22
2-Ø4.5

48
30±0.2

49.6 25.8+9.5×n 48
n is the number of contact layers，n=1~12
(Reset type n+1)
LW38DG-16/A1Y Note: LW38DG-16(20)/A1Y can replace LW38A/Y directly
LW38DG-20/A1Y ●Two-hole mounting
(Normal )
48

48

n is the number of contact layers，n=1~12

LW38DG-16/CY (Reset type n+1) ●Single-hole mounting

●Be operable when insert the key
LW38DG-20/CY
●Please add -DAN to the end of the model for customized non-matching
( Key )
keys, at most 14

1~3

48 4-Ø4.5

Ø10
48
64

LW38EG-16 64
29.8 25+9.5xn
LW38EG-20 n is the number of contact ●Four-hole mounting
( Normal ) layers，n=1~12

18
LW38DG(EG)-16(20) series switch
This series is beautiful in appearance, novel in design, complete in variety and safe and reliable in structure, back wiring,
convenient and quick assembly.
Alternating current 16A, 20A
Operating angle 30°, 45°, 60°, 90°
Maximum number of contact layers is 12, but recommend is 8
1~3
36±0.2

4-Ø4.5 Ø10

36±0.2
48
LW38D-16/H
31 23.3+9.5×n 48
LW38D-20/H n is the number of contact
( Normal ) layers，n=1~12 ●Four-hole mounting

1~3 G R

38+0.2

13.2+0.2
4-Ø4.5

24-0.2
Ø10
63

36±0.2
36±0.2
31 23.3+9.5×n 48
( Indicator ) n is the number of contact
●Four-hole mounting ●Two indicators
layers，n=1~12

1~3
Ø4.5
36±0.2
36±0.2
48

Ø22

48
44.1 28.9+9.5×n
n is the number of contact
●Four-hole mounting
layers，n=1~12
( Key and four- ●Be operable when insert the key
hole mounting ) ●Please add -DAN to the end of the model for customized non-matching
keys, at most 100
1~3
●The key can be pulled out at the positioning gear
3.2
Ø22.3
24.1
48

25.8 42.2+9.5×n 48
n is the number of contact
( Single-hole mounting ) layers，n=1~12 ●Single-hole mounting

1~3

3.2
Ø22.3
24.1
48

32.8 42.2+9.5×n 48
n is the number of contact layers，n=1~12 ●Single-hole mounting
●Be operable when insert the key
( Key and single-hole mounting )
●Please add -DAN to the end of the model for customized non-matching
keys, at most 14

19
 1~3
Ø28.8 3.2
Ø22.3

24.1
34.5 42.2+9.5×n
LW38D-16/CHWY n is the number of contact
●Single-hole mounting
LW38D-20/CHWY layers，n=1~12 ●Please add -DAN to the end of the model for customized non-matching
( Key and no plate ) keys, at most 14

1~9

Ø30.5
C J D Q

LW38D-16/CHMY 24.2 31.9+9.5×n ●Single-hole mounting

LW38D-20/CHMY
(Key and no plate ) n is the number of contact ●Customized locking ring, ordering note: locking ring
Customized side wiring layers，n=1~12 ●Please add -DAN to the end of the model for customized non-matching
LW38D-16/CMY keys, at most 14
LW38D-20/CMY

1~3 48 4-Ø4.5

Ø10

48
64

LW38E-16/H 29.5 24.3+9.5×n

64
n is the number of contact
LW38E-20/H layers，n=1~12
( Normal ) ●Four-hole mounting

18
G R
1~3
4-Ø4.2
37

Ø10
48±0.2
83.3
80

64
32

48±0.2
4.5
64
LW38E-16/HD 31 23.3+9.5×n
n is the number of contact
LW38E-20/HD layers，n=1~12 ●Four-hole mounting
( Indicator ) ●Two indicators

1~3 48 4-Ø4.5

Ø10
48
112

HYS1:Ø22 HYS:Ø35

●Four-hole mounting
LW38E-16/HYS(1) ●Be not operable after locking and the key cannot be pulled
64
LW38E-20/HYS(1) 34.5 45.2+9.5×n
out (right positioning gear)
n is the number of contact layers，n=1~12
( Key ) ●Please add -DAN to the end of the model for customized
non-matching keys, at most 400

20
LW38S-16 series ultra short switch

Tech specification

Rated insulation voltage（Ui） 690V

IP protection degree (Wroking face) IP30
Power frequency withstand voltage 1.89KV
Operating frequency 50Hz
Direct disconnect Yes
Flame rating V0
Environment requirement RoHS and REACH
Resistive current 16A 20A
Minimum electrical clearance 5.9mm
Minimum creepage distance 5.9mm
Minimum distance between breaking contacts 5.9mm
Use categories
AC-15 DC-13 AC-15 DC-13
Rated working voltage Ue / Rated working
current Ie 380V/2.6A 220V/0.27A 380V/4A 220V/0.6A
Mechanical life 1 000 000
AC electrical life 200 000
DC electrical life 100 000

∅37.8
1~3
∅43.2

∅2.5

∅37.8 ∅10
28

21.6±0.2 14.1+9.5n 36

LW38S-16
( Normal )

Note: This series of products only support positioning function, can not achieve self-reset function, gear Angle only support 4C/4D (0°
45°/ -45° 0° 45°).

21
LW38A-16 series multi-step switch switch

Description

Multi-step switch has four switching positions: pre-closing, closing, pre-opening and opening, meet the
requirements of clockwise closing and counterclockwise opening, the position of pre-opening and pre-closing is 90°. An
operation is completed by two independent steps, such as "pre-closing to closing" or "pre-opening to opening", the
handle must be pressed in the pre-position to rotate to the closing or opening pisition, when release the handle, it can
automatically return back to the pre-position; In the pre-position, if the handle is not pressed, it can not be rotated to the
opening or closing position, but it can freely switch between the two per-positions.

The knob of multi-step switch is translucent, and the upper part of the knob is embedded with a black analog bar
and an arrow. When the analog bar on the knob is in the same position as the analog line, the digit is displayed when it is
at a right Angle to the analog line. The knob is installed in the black square or round base, when the position is
inconsistent, the LED light built in the base can light up from behind the knob, but does not light up when the position is
consistent; The color and voltage of the LED light can be specified by the customers.

The mounting panel has two kinds of square or round, and the panel lettering can be according to the customer's
requirements.

Tech specification

Rated insulation voltage（Ui） 690V

IP protection degree (Wroking face) IP30
Power frequency withstand voltage 1.89KV
Operating frequency 50Hz
Resistive current 16A

Use categories AC-3 AC-4 AC-15 DC-13

Rated working voltage Ue / Rated 380V/12A 380V/12A 380V/2.6A 220V/0.27A
working current Ie 220V/4.6A
Use category AC-15 DC-13
I/Ie U/Ue COS￠ I/Ie U/Ue T0.95(ms)
Make
10 1 0.3 1 1 300
Making and breaking
capacities of switching I/Ie U/Ue COS￠ I/Ie U/Ue T0.95(ms)
under normal Break
1 1 0.3 1 1 300
conditions
Cycles 6060 6060
Times per seconds 6 6
Minimum on-time(s) ≥0.05 ≥0.30
Mechanical life 300 000
Electrical life 100 000

22
 1~3
∅4.5
∅39
∅38

36
48 36

27.8±0.2 Positioning57.6+13.2n
LW38A-16/DSF Pressed 23.8±0.2 Resetting69.6+13.2n
( Normal )

1~3

∅39 ∅4.5
∅61
∅38

36
36

LW38A-16/DSY 27.8±0.2 Positionging57.6+13.2n

Pressed 23.8±0.2 Resetting69.6+13.2n
( Normal)

Common contact code

LW38A-163Q/49.1614/4DS LW38A-163Q/7543/3DS LW38A-163Q/49.1257/3DS LW38A-163Q/49.1233/3DS LW38A-163Q/49.1258/3DS

O C O C O C O C O C
Angle Angle Angle Angle Angle

1200 900 00 300 1200 900 00 300 1200 900 00 300 1200 900 00 300 1200 900 00 300

Contact Contact Contact Contact Contact

code code code code code

1-2 1-2 1-2 1-2 1-2

3-4 3-4 3-4 3-4 3-4
5-6 5-6 5-6 5-6 5-6
7-8 7-8 7-8 7-8 7-8
9-10 9-10 9-10 9-10 9-10
11-12 11-12 11-12 11-12 11-12
13-14
15-16

LW38A-163Q/49.4712/6DS LW38A-169C0393/2DS LW38A-163Q/49.1613/4DS LW38A-163Q/49.1615/4DS LW38A-163Q/49.1214/4DS

O C 900 00 O C O C O C
Angle Angle Angle Angle Angle

1200 900 00 300 120° 90° 0° 30° 1200 900 00 300 1200 900 00 300
Contact code
Contact 1-2 Contact Contact Contact
code 3-4 code code code
1-2 5-6 1-2 1-2 1-2
3-4 7-8 3-4 3-4 3-4
5-6 5-6 5-6 5-6
7-8 LW38A-169C0072/1DS 7-8 7-8 7-8
9-10
9-10 9-10 9-10
11-12 900 00
Angle
11-12 11-12 11-12
13-14
15-16 Contact code 13-14 13-14 13-14

17-18 1-2 15-16 15-16 15-16

19-20
3-4
21-22
23-24

23
LW38E-32 series high current switch

Tech specification

Rated insulation voltage（Ui） 690V

IP protection degree (Wroking face) IP40
Power frequency withstand voltage 1.89KV
Operating frequency 50Hz
Resistive current 32A
AC-12 DC-12
Use categories 380V/15A 220V/5A
Rated working voltage Ue / Rated
working current Ie 220V/25A 125V/8.8A
110V/32A 110V/10A
Electrical life 200 000 100 000
Mechanical life 300 000

n is the number of contact layers，n=1~12

(Reset type n+1)
LW38E-32/H
( Back wiring)

n is the number of contact layers，n=1~12

(Reset type n+1)
LW38E-32/HY
( Key and back wiring )

24
LW38F series main switch

Model

Main switch Feature code Ground Handle style

(optional)
Seires Ith: 25A/32A Contact code
20
30
40
41
51
Tech specification

LW38F-259C**/G
Use categories Rated working voltage V Rated working current A

Rated insulation voltage 690V

Resistive current 25A
15A
24A

LW38F-329C**/G
Use categories Rated working voltage V Rated working current A

Rated insulation voltage 690V

Resistive current 32A 23A
30A

FN auxiliary module
Use categories Rated working voltage V Rated working current A

Rated insulation voltage 690V

Resistive current 32A 23A
30A

FF auxiliary module
Use categories Rated working voltage V Rated working current A

Rated insulation voltage 690V

Resistive current 10A

25
 Accessory

Name FD ground mudule FN auxiliary module FF auxiliary module

Picture

Model

Model
Ordering notice
Model Contact

Model Contact Position

Model Position
Contact Terminal

Model 9C20/G Contact Position

Terminal

Contact 20 Position
Terminal

Position
Terminal

Terminal

Outline drawing

Note: The arrow must be

Opening size and installation method kept to the right during
installation

FN auxiliary module FD ground module FF auxiliary module

26
LW38 series common contact code

Switch for PTD closing and opening

Model Model Model

Replace Replace Replace

After- Pre- After- Pre- After- Pre- After- Pre- After- Pre- After- Pre-
Label open close
Close
close open
Open Label open close
Close
close open
Open Label open close
Close
close open
Open

Direction Direction Direction

Position Position Position

Model Model Model

Replace Replace Replace
After- Pre- After- Pre- After- Pre- After- Pre- After- Pre- After- Pre-
Label open close
Close
close open
Open Label Close Open Label Close Open
open close close open open close close open
Direction Direction Direction

Position Position Position

Model Model

Replace Replace
After- Pre- After- Pre- After- Pre- After- Pre-
Label close
Close
close
Open Label open close
Close
close open
Open
open open
Direction Direction

Position Position

27
Voltage measurement switch (1)

"0" position and N-line, measuring three-phase phase voltage "0" position and N-line, measuring three-phase phase voltage

"0" position, measuring three-phase line voltage "0" position and no N-line, measuring three-phase line voltage

"0" position, measuring three-phase line voltage No "0" position and N-line, measuring three-phase phase voltage

No "0" position, measuring three-phase line voltage "0" position and N-line, measuring three-phase phase and line voltage

28
Voltage measurement switch (2)
"0" position and N-line, measuring three-phase phase and line voltage

"0" position and N-line, measuring phase voltage and

"0" position, measuring three-phase phase voltage of two power resouces three-phase line voltage

Current measurement switch

Two transformers, "0" position and no N-line, measuring three-phase current

Three transformers, N-line, measuring A, B, C three-phase current Three transformers, "0" position, measuring A, B, C three-phase current

29
Capacitor cabinet regulating switch

6-circuit capacitor auxiliary cabinet regulating switch

6-circuit capacitor main cabinet regulating switch

8-circuit capacitor main cabinet regulating switch

8-circuit capacitor auxiliary cabinet regulating switch

10-circuit capacitor main cabinet regulating switch

10-circuit capacitor auxiliary cabinet regulating switch

30
Double-throw switch
1~10 layers contact on-off 1~8 layers contact on-off

Layers Model Layers Model

1 1

2 2

3 3

4 4

5 5

6 6

7 7

8 8

10

On-off switch
1~10 layers contact on-off 1~8 layers contact on-off

Layers Model Model

Layers

1 1

2 2

3 3

4 4

5 5

6 6

7
7

8
8

10

31
Chinese-English plate
30°

45°

32
Chinese-English plate
60°

90°

22.5°

33
Number plate
30°

45°

60°

90°

34
Main products:
◆AD11 series signal lamp, tower lamp ◆Metal signal lamp, button
◆CJK22 series signal lamp, button ◆LA38 series button
◆UK series terminal connector ◆LW38 series change-over switch
◆CJ series relay ◆CJH(BH) series current transformer
◆Construction machinery lamp, switch, socket ◆ANH series button box and case
◆PCM series integrated module

Welcome to call us for this sample manual or visit our website for more inquiry

江 阴 长 江 电 器 股 份 有 限 公 司
JIANGYIN CHANGJIANG ELECTRIC APPLIANCE CO., LTD.