Omron WLCA2-7 R50 mm Roller Lever Limit Switch
The Omron WLCA2-7 is a Roller Lever Limit Switch designed for accurate mechanical position detection in industrial automation systems. This standard size limit switch is equipped with a fixed R50 mm roller lever, allowing smooth and repeatable actuation from cams or moving machine parts. Featuring a DPDT two-circuit contact configuration, the switch supports reliable signal switching in control circuits. It is built with screw terminal connections, a G½ conduit entry, and an IP67-rated enclosure for dependable performance in dusty and wet environments. Manufactured by Omron, the WLCA2-7 belongs to the Omron Limit Switch, known for mechanical durability and consistent electrical performance.

| Brand | Omron |
| Product | Limit Switch |
| Model Number | WLCA2-7 |
Omron WLCA2-7 Roller Lever Limit Switch – Technical Overview
| Specification | Value |
|---|---|
| Actuator | Roller Lever (R50 mm) |
| Contact Form | DPDT |
| Contact Configuration | Two-Circuit |
| Rated Switching Capacity | 10 A at 500 VAC |
| Current Rating | 100 mA |
| Voltage Rating | 125 VAC / 30 VDC |
| Terminals | Screw Terminals (G½ conduit) |
| Pretravel (PT) | 15±5° |
| Degree of protection | IP67 |
The Omron WLCA2-7 is widely recognized as an Omron roller lever limit switch designed for consistent and repeatable limit detection in industrial automation applications. Its DPDT contact form enables stable switching of multiple control signals, supporting accurate machine sequencing.
In industrial use, the Omron WLCA2-7 is commonly installed on conveyors, machine tools, packaging equipment, and automated handling systems. The R50 mm roller lever ensures smooth mechanical engagement, reducing wear while maintaining predictable switching points during continuous operation.
Designed for long-term reliability, the switch combines high mechanical strength with stable electrical ratings. With IP67 protection, defined mechanical characteristics, and secure screw-terminal wiring, the Omron WLCA2-7 supports dependable operation in demanding industrial environments where precise position sensing is essential.