Elevator limit switch (SN-S3-1370B)
1. Series elevator switch, including limit switch, switch for landing door, passive door switch, wheel switch.
2. Obtained ISO9001 certificate.
3. Self-cleaning double break contact for long service life.
4. For use in controlling the closure position of lift doors or as switch for locking mechanism of automatic doors safety switch with positive contact.
Product Name |
Model NO. |
Technical Reference |
Switch for hoistway |
SN-S3-B1370 |
Insulation voltage:380V
Rated current:AC2A,DC0.3A
Rated Voltage:AC220V,DC110V
Temperature:-5°C~+40°C
IP class:IP20
Breaking capacity:1000A |
SN-S3-B1370
new style |
SN-S3-B1371
new style |
Snap Switch |
UKS |
Type:AC-15
IP class:IP65
Operation Force:≤15N
Rated voltage:
DC40V/DC80V/AC220V
Rated current:4A/2A/4A |
UKT |
There are two mechanical limit switches for hoistway access. One switch (top) stops the car when the car top is level with the top landing sill. The second switch (bottom) stops the car when the toe guard is level with the lowest landing header. All traction elevator installations that fall under the ANSI A17.
What is a limit switch used for?
In electrical engineering a limit switch is a switch operated by the motion of a machine part or presence of an object. They are used for controlling machinery as part of a control system, as a safety interlocks, or to count objects passing a point.
About us
Why choose us?
Shanghai Sunny Elevator Co., Ltd, founded in 1992, is a 31-year professional manufacturer specializing in designing and producting Opto-Electro-Mechanical products.
Sunny Elevator has started import and export since 2012.
We have experience in exporting all kinds of elevator parts and complete elevator to 80 countries all over the world.