Siemens Electric Actuator: Fire and Smoke Dampers, On/Off, Spring Return, 200 lb-in
The Siemens GVD121.1U is a fire and smoke rated electric actuator designed for fire and smoke dampers. It features an on/off, spring return operation with 200 lb-in torque, accepts a 1/2" to 1" round shaft, and…
SKU 3G-OTH-67354
Also listed as: GVD1211U · GVD121 1U · GVD121-1U
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- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The Siemens GVD121.1U is a fire and smoke rated electric actuator designed for fire and smoke dampers. It features an on/off, spring return operation with 200 lb-in torque, accepts a 1/2" to 1" round shaft, and operates on 24V AC. This plenum-rated actuator is hardwired and does not include an auxiliary switch.
Frequently Asked Questions
What is the Siemens GVD121.1U electric actuator used for?
The Siemens GVD121.1U is a fire and smoke rated electric actuator designed to operate fire and smoke dampers in HVAC systems. It provides on/off, spring return control with 200 lb-in torque, ensuring dampers close or open reliably during fire safety events in commercial buildings.
What are the specifications of the Siemens GVD121.1U actuator?
The Siemens GVD121.1U operates on 24V AC with on/off, spring return action and 200 lb-in torque. It accepts a 1/2" to 1" round shaft, is plenum rated, hardwired, and has NEMA 1 / IP40 enclosure. No auxiliary switch is included. The manufacturer part number is GVD121.1U.
Where to buy the Siemens GVD121.1U actuator worldwide?
You can source the Siemens GVD121.1U actuator through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we supply genuine Siemens components for fire and smoke damper applications.
How to install the Siemens GVD121.1U fire and smoke actuator?
Mount the Siemens GVD121.1U directly onto the damper shaft (1/2" to 1" round) using the provided bracket. Connect 24V AC power via hardwiring per the wiring diagram. Ensure the spring return direction matches damper fail-safe requirements. Test operation before commissioning. Always follow local codes and the manufacturer's installation manual.
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3G Electric supplies Siemens fire & smoke rated actuators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
