
Siemens 3G-OTH-67742 — Technical Specifications
The Siemens GCA166.1U is a fail-safe spring-return damper actuator with a self-centering shaft coupling, designed for building automation systems. It operates on 24V AC/DC with a 5W power rating, provides a 0 to 10V DC output signal, and includes an auxiliary switch. The actuator is hardwired, rated NEMA 2 / IP54, and supports CW/CCW shaft rotation.
Technical Specifications
| Parameter | Value |
|---|---|
| Type | Proportional, Spring Return, 160 in-lb, Hardwired, NEMA 2 / IP54 |
| AC/DC | 24V |
| Brand | SIEMENS |
| Shaft Type | Self-Centering Shaft Coupling |
| Power Rating | 5W |
| Input Voltage | 24V AC/DC |
| Output Signal | 0 to 10V DC |
| Plenum Rating | Not Plenum Rated |
| Shaft Rotation | CW/CCW |
| Manufacturer Part Number | GCA166.1U |
| Auxiliary Switch Included | Yes |
| Electrical Connection Type | Hardwired |
| For Use With Building Automation Systems | Building Automation System Compatible |
