Oil Tight Limit Switches (LS-Series)
- Overview
- Characteristics
- Products
![](https://essendeinki.com/wp-content/uploads/2023/10/Untitled-design-52.jpg)
Essen deinki’s LS series of oil-tight limit switches are a solid choice for industrial use. They come with 1 Normally Open (NO) and 1 Normally Closed (NC) contacts, offering both normal and snap-action operation. Housed in a tough die-cast aluminium casing, these switches have IP65 protection, shielding them from harsh conditions. They’re built to go the distance, with a long lifespan both mechanically and electrically. Plus, there’s plenty of space for wiring, making installation a breeze. These switches meet the IEC 947-5-1 standard, ensuring they’re reliable and compatible in a variety of industrial setups. Essen deinki’s LS series is your reliable solution for demanding environments.
![](https://essendeinki.com/wp-content/uploads/2023/10/Untitled-design-52.jpg)
Characteristics
- Having 1 NO+ 1 NC contacts {SPDT),
- Normal or snap action.
- Die-cast aluminum housing has IP65 protection.
- Long electrical and mechanical life.
- Ample wiring space for easy termination
- Conform to IEC 947-5-1 standard.
Product
Description
![](https://essendeinki.com/wp-content/uploads/2022/07/01-1-192x300.png)
![](https://essendeinki.com/wp-content/uploads/2022/07/01-1-192x300.png)
LSP-OT
- Design : 1 NO + 1 NC
NC opens before NO closes - Enclosure : Diecast housing with push rod
- Actuating force : 1.0 Kg. (ma x.)
- With Polyamide cable gland (M20 x 1.5) : Ordering code – LSP-OT1
![](https://essendeinki.com/wp-content/uploads/2022/07/02-1-147x300.png)
![](https://essendeinki.com/wp-content/uploads/2022/07/02-1-147x300.png)
LSR-OT
- Design : 1 NO + 1 NC
NC opens before NO closes - Enclosure : Diecast housing with roller lever
- Actuating force : 0.75 Kg. (ma x.)
- With Polyamide cable gland (M20 x 1.5) : Ordering code – LSR-OT1
![](https://essendeinki.com/wp-content/uploads/2022/07/03-1-192x300.png)
![](https://essendeinki.com/wp-content/uploads/2022/07/03-1-192x300.png)
LSPS-OT
- Design : 1 NO + 1 NC
Snap action mechanism - Enclosure : Diecast housing
with push rod - Actuating force : 1.5 Kg. (ma x.)
- With Polyamide cable gland (M20 x 1.5) : Ordering code – LSPS-OT1
![](https://essendeinki.com/wp-content/uploads/2022/07/04-1-147x300.png)
![](https://essendeinki.com/wp-content/uploads/2022/07/04-1-147x300.png)
LSRS-OT
- Design : 1 NO + 1 NC
Snap action mechanism - Enclosure : Diecast housing
with roller lever - Actuating force : 1.2 Kg. (ma x.)
- With Polyamide cable gland (M20 x 1.5) : Ordering code – LSRS-OT1
Technical Data
Electrical ratings
Mechanical life
Contact life
Temprature and Humidity
Contact resistance
Dielectric strength
Insulation resistance
10 A at 500V AC
0.4 A at 440V DC non-inductive
0.8 A at 250V DC non-inductive
15,000,000 switching cycles (typical)
Upto 15,000,000 switching operations
depending on breaking current (see graph)
All switches are designed for use
upto an ambient temprature of
50°C and 85% R.H.
20 milliohm max.
2kV AC rms
1000 Mohms min.