PHOTOELECTRIC Waterproof Vertical Type Limit
Switches
SENSORS &
SWITCHES
MEASUREMENT
2 sets of SPDT built-in switches enable use as a 2-point detection switch
SENSORS
Model VCL-mm or multi-circuit control switch.
PROXIMITY
SWITCHES
On the 2-point detection (center-neutral) switch,
two different internal switches operate
LIMIT
SWITCHES according to the direction (CW or CCW) of
actuator rotation
SAFETY
KEY SWITCHES A single switch can detect two points
(valve upper/lower limit, fully open/closed, etc.)
On the multi-circuit control type, the two
LIMIT SWITCHES
WITH POSITIVE
switches operate simultaneously according to
OPENING MECHANISM actuator rotation
GENERAL PURPOSE High sensitivity (P.T.=10˚, M.D.=3˚)
LIMIT SWITCHES
TECHNICAL GUIDE
FOR
LIMIT SWITCHES
EXPLOSION-PROOF
SWITCHES
ORDER GUIDE
TECHNICAL GUIDE FOR
EXPLOSION-PROOF
SWITCHES
STANDARD
mLSm
SPATTER-GUARDED
mLSmm
1LS-J7mm
1LS-J8mm
1LSm-J401
VCL-mm
SL1-mm
SL1-mC
D-075
PHOTOELECTRIC
SENSORS &
PERFORMANCE SWITCHES
MEASUREMENT
SENSORS
PROXIMITY
SWITCHES
LIMIT
SWITCHES
IP67 (IEC60529, JIS C 0920)
SAFETY
KEY SWITCHES
LIMIT SWITCHES
WITH POSITIVE
OPENING MECHANISM
Silver contact: Max.50 mΩ GENERAL PURPOSE
(6 to 8 Vdc, energizing current 1A, measured by voltage drop method) LIMIT SWITCHES
Gold alloy cross point contact: Max.100 mΩ
(6 to 8 Vdc, energizing current 0.1A, measured by voltage drop method) TECHNICAL GUIDE
FOR
LIMIT SWITCHES
EXPLOSION-PROOF
SWITCHES
TECHNICAL GUIDE FOR
EXPLOSION-PROOF
SWITCHES
STANDARD
mLSm
SPATTER-GUARDED
mLSmm
1LS-J7mm
1LS-J8mm
1LSm-J401
VCL-mm
SL1-mm
SL1-mC
Cover 5 to 6 N-m (M5 hexagon socket head cap screw with spring washer)
Connector
with cable
See page
F-001
D-076
PHOTOELECTRIC
SENSORS &
SWITCHES APPEARANCE, OPERATING CHARACTERISTICS AND EXTERNAL DIMENSIONS (unit: mm)
MEASUREMENT 75.7
SENSORS 17.4 dia. × 6.4 70.7
R30 Nylon roller 56.7
PROXIMITY 23
SWITCHES
30
LIMIT Mounting hole
5.3 ±0.2
0 dia. (4)
26
SWITCHES
15
M5 × 0.8 × 12 M6 × 1
SAFETY Hexagon depth
KEY SWITCHES socket head bolt (2) Min. 25 (4)
144.2
122
72 ±0.2
96
Terminal screw for grounding
LIMIT SWITCHES
WITH POSITIVE
OPENING MECHANISM The gap
between the housing
and cover is sealed.
18.5
GENERAL PURPOSE
LIMIT SWITCHES Terminal screw for grounding
54 ±0.2 Parallel thread 35.5 ±0.4
62 for pipe G3/4 46
TECHNICAL GUIDE Eff. external thread
FOR 70 +1.5
0 56.5
Min. 5 threads
LIMIT SWITCHES
(tightened) hexagon socket head bolt 4 × M5 × 12
EXPLOSION-PROOF
SWITCHES
TECHNICAL GUIDE FOR
EXPLOSION-PROOF VCL-5001(-H/K/L) *Dimensional tolerance is ±0.8 unless otherwise specified.
SWITCHES
STANDARD
LS
SPATTER-GUARDED
LS
1LS-J7
82.2
1LS-J8
17.4 dia. × 6.4 77
Adjustable
Nylon roller 66.6
1LS-J401 within range
26 to 89. 23
VCL-
SL1-
Mounting hole
5.3 ±0.2
0 dia. (4) 26
SL1-C M5 × 12
15
M6 × 1
Hexagon
depth
socket head
Min. 25 (4)
bolt
122
72 ±0.2
Terminal screw
96
for grounding 3
The gap
between the housing
and cover is sealed.
18.5
Terminal screw for grounding
54 ±0.2 Parallel thread 35.5 ±0.4
62
for pipe G3/4
46
+1.5 Eff. external thread
70 0 56.5
Min. 5 threads
(tightened) hexagon socket head bolt 4 × M5 × 12
*Dimensional tolerance is ±0.8 unless otherwise specified.
D-077
PHOTOELECTRIC
SENSORS &
(unit: mm) SWITCHES
MEASUREMENT
SENSORS
PROXIMITY
SWITCHES
LIMIT
SWITCHES
SAFETY
KEY SWITCHES
LIMIT SWITCHES
WITH POSITIVE
OPENING MECHANISM
GENERAL PURPOSE
LIMIT SWITCHES
TECHNICAL GUIDE
FOR
LIMIT SWITCHES
NOTES FOR USE OF VCL SERIES
EXPLOSION-PROOF
1. Precautions for use Do not let the activating object come into contact with the lever arm.
If it does, the actuator may become bent and the switch may not be
SWITCHES
able to return properly. TECHNICAL GUIDE FOR
This switch is not explosion-proof. If an explosion-proof switch is EXPLOSION-PROOF
required, use the VCX-5*** series. Do not use leads with silicone rubber insulation, or silicone filler, or SWITCHES
Use this switch within the range described in the product grease or oil containing silicone. They can cause contacts to fail to
specification. conduct electricity.
STANDARD
LS
2. Wiring 4. Precautions for adjustment SPATTER-GUARDED
LS
Do not wire while the power is connected. Depending on the voltage Do not apply excessive force (5 times the O.F. or more) to the
used, there is a risk of electrical shock. 1LS-J7
actuator beyond the travel limit position. Doing so may damage the
Do not leave the switch unattended or use it with the cover or conduit switch. 1LS-J8
section open. Doing so may allow water or dust to enter the switch, Set overtravel between 1/3 and 2/3 of the rated value. With a small
possibly causing a malfunction. overtravel, vibration or shock may cause the contacts to rattle or to 1LS-J401
Wire electric wires using crimp-type terminals with insulation so that make poor contact.
they do not come into contact with the cover or housing. VCL-
Securely tighten the cover and conduit. Insufficient tightening impairs
sealing performance, leading to insulation failure and eventually 5.Environment SL1-
preventing the switch from performing satisfactorily. Do not use the switch in an environment where strong acid or
Use a connector for the conduit section that has sealing performance alkali is directly splashed onto it. SL1-C
equivalent to IP67 or higher.
6.Other cautions
3. Installing the switch Do not apply a lubricant to the sliding part of the actuator or any
Protective plugs should be left in until you begin connecting the other component. Application of an inappropriate lubricant may
wiring and conduit. degrade sliding performance or impair the protective structure.
Tighten each part of the limit switch to the appropriate tightening Remove any foreign substances adhering to the sliding part. Dust
torque as described in the product specification. Overtightening will or any other foreign substance attached to the sliding part may
damage the threads or other parts. Insufficient tightening degrades cause a malfunction.
the seal and other characteristics.
Check the actual load.
To increase reliability, confirm that the switch has no problems in
actual use before using the switch.
Before use, thoroughly read the “Precautions for use” and “Precautions for handling” in the Technical Guide
on pages D-111 to D-122 as well as the instruction manual and product specification for this switch.
Connector
with cable
See page
F-001
D-078
Please read “Terms and Conditions” from the following URL before
ordering and use.
https://www.azbil.com/products/factory/order.html
[Notice] Specifications are subject to change without notice.
No part of this publication may be reproduced or duplicated
Other product names, model numbers and company names may be trademarks of the respective company. without the prior written permission of Azbil Corporation.
Yamatake Corporation changed its name to Azbil Corporation on April 1, 2012.
1-12-2 Kawana, Fujisawa
Kanagawa 251-8522 Japan
URL: https://www.azbil.com
1st Edition : Jan. 2018
CP-GC1003E Vol.2
(15)
