Omron SHL-W55 Limit Switch
Omron SHL-W55 is a general-load limit switch fitted with a short hinge lever made from stainless steel and an SPDT contact arrangement. IP67 protection, 15 mΩ maximum contact resistance, and 100 MΩ minimum insulation resistance at 500 VDC are specified. The switch operates from -10 to 80°C with relative humidity from 35 to 95%, while mechanical durability is listed at ten million operations minimum. The SHL-W55 belongs to the SHL Series within the short hinge lever limit switch range from Omron limit switch products. Its stainless-steel lever distinguishes it from roller-lever SHL models.
| Brand | Omron |
| Product | Limit Switch |
| Model Number | SHL-W55 |
Omron SHL-W55 Limit Switch – Technical Specifications
| Specification | Value |
|---|---|
| Ctuator | Short hinge lever Stainless steel lever |
| Contact Form | SPDT |
| Frequency | 50/60 Hz |
| Load | General load |
| Ambient Temperature | Operating: -10 to 80 ℃ |
| Ambient Humidity | 35 to 95% RH |
| Pollution Degree | 3 (EN60947-5-1) |
| Shock Resistance | Destruction: 1000 m/s 2 Malfunction: 300 m/s 2 |
| Degree Of Protection | IP67 |
| Contact Resistance Initial Value | 15 mΩ max. |
| Durability | Electrical: 500,000 operations min. Mechanical: 10 million operations min. |
| Insulation Resistance | 100 MΩ min. (at 500 VDC) |
The Omron SHL-W55 Limit Switch uses a short hinge lever made from stainless steel with an SPDT contact arrangement for general load. The source specifies operation at 50/60 Hz, IP67 protection, and 15 mΩ maximum contact resistance. Insulation resistance is 100 MΩ minimum at 500 VDC. Temperature is specified from -10 to 80°C with 35 to 95% relative humidity, while pollution degree 3 is listed according to EN60947-5-1. These values define the electrical and environmental characteristics without relying on an unspecified normal load current.
Mechanical durability reaches ten million operations minimum and electrical durability reaches 500,000 operations minimum. Shock values are listed at 1,000 m/s² for destruction and 300 m/s² for malfunction. The most direct selection characteristic is the short stainless-steel hinge lever rather than a roller-type actuator. A closely related model with the same short stainless-steel hinge-lever format is available in the ZC-55 family. See the ZC-W55 model.
