Exn series type nA explosion-proof connectors

Product Description

AVIC JONHON OPTRONIC TECHNOLOGY CO.,LTD

May,2016
 Exn series type nA explosion-proof connectors

3、 Product name：

Exn series type nA explosion-proof connectors.

4、 description：
Exn series explosion-proof connectors feature environment

resistance and explosion-proof function. The products can be used in the

environment with flammable gases and vapors as Zone 2 with temperatures

classes T4, T3, T2 & T1. The products are widely used in fields of oil drilling, power transmission

and signal transmission.

●Applied in electrical connection of equipments and cables in severe environment like dampness

and drench.

●Protection degree: IP67

●Termination methods: crimping

●Both plug and receptacle can be mounted with removable pin or socket.
5、 Part number and basic insert arrangements
3.1 Ordering information

Basic series Exn □ □ □ □ □ □ □

Shell size 8、10、12、14、16、18

Shell Type
YT-plug

GZ- panel mount flange receptacle

YZ-portable receptacle

Current rating
10A、16A、25A、60A、100A、150A、200A、 250A、500A、1000A

etc

Number of contacts
1、3、4、5、10、14、20、30 etc
Contact type
Z-crimp pin ZL- 2 hole bus bar pin

K- crimp socket KL-2 hole bus bar socket

keys
Blank：N key、(X)：X key、(Y)：Y key、(JH)：Y key

Mounting panel
Blank：no 、+FA：yes

3.1.1 Designation example

1、portable connectors：Exn8YT16A3Z _ Exn8YZ16A3K
Exn series 08# shell 3-wires connector part number: be made up of plug part number and portable receptacle part

number;

Plug part number, Exn8YT16A3Z：Exn series 08# shell 3-wires plug with pins, current rating 16A.

Portable receptacle part number,Exn8YZ16A3K：Exn series 08# shell 3-wires receptacle with sockets, current rating

16A，N key, without mounting panel.

2、Panel mount connectors：Exn8YT16A3Z _ Exn8GZ16A3K

Exn series 08# shell 3-wires connector part number: be made up of plug part number and panel mount receptacle

part number;

Plug part number, Exn8YT16A3Z：Exn series 08# shell 3-wires plug with pins, current rating 16A.

Panel mount receptacle part number,Exn8GZ16A3K：Exn series 08# shell 3-wires panel mounted receptacle with

sockets, current rating 16A, N key.

Note: the cable connector can only be used when the plug and socket
are integrated as a whole.
3.2 products layout
contact layout( views of insulator interface with pins)

Shell size contact layout( views of insulator interface with pins)

A A
C B B

N
C
3-φ2.4
1-φ7.5 4-φ2.4
8
Contact Wire size
Electrical ratings Matched cable diameter
Num. （mm2）
1 1×25 1 pin 100A/600V
3 3×2.5 1 phase 3 wires 16A/600V φ8～φ19.5
4 3×2.5+1×1.5 3 phase4 wires 16A/600V
 N
A A C
B C
B

3-φ3
1-φ12 4-φ3

N 1 2 3
A P
4 5 6 7

8 9 10
B C
10

10-φ2.4
5-φ3
Contact
Wire size（mm2） Electrical ratings Matched cable diameter
Num.
1 1×95 1 pin 250A/600V
3 3×4 1 phase 3 wires 25A/600V

4 3×4+1×2.5 3 phase4 wires 25A/600V φ11～φ22.5

5 3×4+2×2.5 3 phase 5 wires 25A/600V

10 10×2.5 10 pins 16A/400V

N N
A A C A P
B C
B C
B

3-φ5
4-φ5 5-φ5

1 2 3 1 2
4 5 6 7 3 5
6 9
8 9 10
10 12
12 13 14

10-φ3 14-φ2.4
Contact
Wire size（mm2） Electrical ratings Matched cable diameter
Num.
3 3×10 1 phase 3 wires 60A/600V
4 3×10+1×6 3 phase 4 wires 60A/600V
5 3×10+2×6 3 phase5 wires 60A/600V φ15～φ27
10 10×4 10 pins 25A/600V
14 14×2.5 14 pins 10A/400V

N N
A C A P

14 B C
B

4-φ7.5 5-φ7.5
 1-φ18

1 2
3 4 5 6 7
8 9 10 11
12 13 14 15 16
17 18 19 20

20-φ2.4

Contact Wire size

Electrical ratings Matched cable diameter
Num. （mm2）
1 1×185 1 pin 500A/600V φ23～φ35
4 3×25+1×16 3 phase 4 wires 100A/600V
φ27～φ39
5 3×25+2×16 3 phase 5 wires 100A/600V
20 20×2.5 20 pins 10A/400V φ23～φ35

N N
A C A P

B C
B

1-φ23 4-φ9.1 5-φ9.1

1 2 3
1 2 4 5 6 7
3 4 5 6 7 8 9 12
10 11
8 9 10 11 13 14 15 16 17 18
12 13 14 15 16 19 20 21 22 23
17 18 19 20 24 25 26 27
28 29 30
16
20-φ3
30-φ2.4
Contact
Wire size（mm2） Electrical ratings Matched cable diameter
Num.
1 646MCM 1 pin 1000A/1000V
4 3×35+1×16 3 phase 4 wires 150A/600V
5 3×35+2×16 3 phase 5 wires 150A/600V φ31～φ44.5
20 20×4 20 pins 25A/600V
30 30×2.5 30 pins 10A/400V
 N N
A C A P

B C
B

18
4-φ10 5-φ10
Contact Wire size
Electrical ratings Matched cable diameter
Num. （mm2）
4 3×50+1×25 3 phase 4 wires 200A/600V
φ36～φ48.5
5 3×50+2×25 3 phase 5 wires 200A/600V

In practice, the holding-down nuts should be screwed until the cable is fixed completely.

3.3 contact sizes：

contact size Withdraw tool

Φ23 None
Φ18 None
Φ10/Φ12 QX-Exn-10
Φ9.1 QX-Exn-9.1
Φ7.5 QX-Exn-7.5
Φ5 QX-Exn-5
Φ3 QX-Exn-3
Φ2.4 QX-Exn-2.4
4 、 Mechanical performance and environment conditions in normal
operation.
——Shell：aluminium alloy

——Insulator：thermoplastic material

——cable sealing ring：anti-flame rubber

——Contact：copper alloy, silver plating

——Viberation：frequency 10Hz－2000Hz, acceleration 147 m/s2

——Shock：acceleration 490 m/s2

——Endurance：500 cycles

——Operation Temp：－55℃~＋60℃

——ambient pressure: 80~110KPa

——Protect degree：IP67

——Application： The products can be used in the environment with flammable gases and vapors as

Zone 2 with temperatures classes T4, T3, T2 & T1.

——the cable entry seal ring should be timely replaced with another one of the same size and material

when it become aged and transformed.

5、Manufacture company:
AVIC JONHON Optronicl Technology Co, Ltd.
6、structure features
6.1 outlines
[Plug]
Shell D1 L1
8 φ46.8 140
10 φ58 148

D1
12 φ63.5 160
14 φ75.5 168
16 φ82.3 190
( L 1)
18 φ87.5 210

[Portable Receptacle]
4 × d1
Shell d1 P Q L2 L3
8 φ4.5 42.5 34 45 134
10 φ4.5 51 42 47 143

Q
P
12 φ4.5 56 47.5 47 154
14 φ5.5 70 60 47 162
( L2 ) Q 16 φ5.5 75 64 54 190
( L3 ) P
18 φ5.5 80 70 54 212

[Portable Receptacle Mounting Dimensions]：

E ± 0.1 Shell d2 D3 E
8 φ4.5 φ39 34
10 φ4.5 φ51 42
E± 0 . 1

+0 .3 12 φ4.5 φ58 47.5

D3 0
4× d2 14 φ5.5 φ71 60
16 φ5.5 φ76 64
18 φ5.5 φ82 70

[Panel Mount Receptacle]

4×d 1 Shell d1 P Q D2 L4 L5
8 φ4.5 42.5 34 φ33 10 54
10 φ4.5 51 42 φ42 14 61
D2

Q
P

12 φ4.5 56 47.5 φ48 14 63

14 φ5.5 70 60 φ61 14 69
L4
Q
(L5) 16 φ5.5 75 64 φ64.5 15 79
P
18 φ5.5 80 70 φ71 23 84
[Panel Mount Receptacle Mounting Dimensions ]：
Shell d2 D3 E
8 φ4.5 φ34 34
10 φ4.5 φ42.5 42
12 φ4.5 φ48.5 47.5
 E ± 0. 1 14 φ5.5 φ61.5 60
16 φ5.5 φ65.5 64
φ71.5

E± 0. 1
+0 .3
D3 0
4× d2 18 φ5.5 70

6.2 Connectors Use

6.2.1 The cable connector can only be used when the plug and socket are integrated as a whole.

6.2.2 Make sure of complete assembly and connection of the product before it is powered on; and
make sure that power is cut off before separating the plug and socket.
6.2.3 Warning:
DO NOT SEPARATE WHEN ENERGIZED！
DO NOT CHARGE WHEN SEPARATED！
DO NOT OPEN WHEN AN EXPLOSIVE GAS ATMOSPHERE IS PRESENT！