Siemens 3G-OTH-68179 — Technical Specifications
The Siemens GRD221.1U is a fail-safe electric actuator for dampers with spring return, featuring on/off operation. It is powered by 120V AC and has a 1/2" round shaft with hardwired electrical connection. This plenum-rated actuator delivers 30 lb-in of torque.
Technical Specifications
| Parameter | Value |
|---|---|
| AC | 120V |
| Type | On/Off, Spring Return, 30 lb-in, Hardwired Plenum Rated Cables |
| Brand | SIEMENS |
| Shaft Type | 1/2" Round |
| Input Voltage | 120V AC |
| Plenum Rating | Plenum Rated |
| Manufacturer Part Number | GRD221.1U |
| Electrical Connection Type | Hardwired |