Siemens 3G-OTH-66905 — Technical Specifications
The Siemens GVD221.1U is a fire and smoke rated electric actuator designed for fire and smoke dampers. It operates as an on/off, spring return unit with 200 lb-in torque and accepts a 1/2" to 1" round shaft. The actuator requires a 120V AC input, is plenum rated, and features a hardwired electrical connection with NEMA 1 / IP40 enclosure.
Technical Specifications
| Parameter | Value |
|---|---|
| AC | 120V |
| Type | On/Off, Spring Return, 200 lb-in, NEMA 1 / IP40 |
| Brand | SIEMENS |
| Shaft Type | 1/2" to 1" Round |
| Input Voltage | 120V AC |
| Plenum Rating | Plenum Rated |
| Manufacturer Part Number | GVD221.1U |
| Auxiliary Switch Included | No |
| Electrical Connection Type | Hardwired |