GMA121.1U/B
Siemens Building Technologies Dampers, OpenAir GMA Series
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GMA121.1U/B

Siemens Building Technologies Dampers, OpenAir GMA Series
In stock
Item Number
GMA121.1U/B
MFG Item Number
GMA121.1U/B
Order by 5:00 PM ET and your package will ship the same day.
Product Details

Overview

Dampers, OpenAir GMA Series
Item #
GMA121.1U/B
24V, 2PT, SR, 62 LB-IN BULK 10

OpenAir GMA Series Information

  • Floating Control Models Available with Feedback Potentiometer
  • Small Actuator Footprint with 62 Lb.‑In. of Torque
  • All Modulating Types Contain Built‑In Feedback
  • Mechanical Range Adjustment Capability
  • Unique Self‑Centering Shaft Coupling
  • Integral 1/2‑Inch Conduit Connector
  • Bi‑Directional Fail‑Safe Spring Return
  • Brushless DC Motor Technology
  • Easily Visible Position Indicator
  • Manual Override
The OpenAir GMA Series Direct‑coupled, Spring Return Electronic Damper Actuators provide modulating, two position and floating control of building HVAC dampers. The OpenAir GMA Series Damper Actuators are ideal for constant or variable air volume installations for the control of return air, mixed air, exhaust, and face and bypass dampers that require up to 62 lb.‑in. of torque. The actuators are designed for applications where the damper is required to return to a fail‑safe position when there is a power failure. Models are available with either an appliance cable for wiring in conduit or a plenum‑rated cable.

Specifications

Specifications
Ships Factory Direct No
Manufacturer Part Number GMA121.1U/B
Item Number GMA121.1U/B
Manufacturer Siemens Building Technologies
Product Series OpenAir GMA
Family Series Siemens Building Technologies Dampers, OpenAir GMA Series
Control Signal Two Position (On/Off)
Nominal Timing 90 s
Nominal Supply Voltage 24 VAC, 24 VDC
Rotational Stroke (Deg) 90
Torque Rating 62 lb-in
Feedback None
Mounting Direct Coupled
Shaft Size Square 1/4-1/2 ", Round 1/4-3/4 "
Shaft Rotation By Wiring
IP Rating IP54
Temperature Range -25-130 °F
Manual Operation Manual Override
Shaft Adapter Type Self-Centered Clamping
Electrical Connections Cable
Power Consumed Driving 5 VA
Power Consumed Holding 4 VA
Approvals cUL, UL
Comments 10 Actuator Bulk Pack
Net Weight 28.6 lbs
Gross Weight 0 lbs
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