Siemens Electronic Damper Actuator Gma221.1U

Description

Product Description
The OpenAir direct-coupled spring return electronic actuator is designed for modulating, two-position, and three-position control of building HVAC dampers.
Used in constant or variable air volume installations for the control of return air, mixed air, exhaust, and face and bypass dampers requiring up to 62 lb-in (7 Nm) torque. Designed for applications that require the damper to return to a fail-safe position when there is a power failure.
This actuator has 2-position control, standard cabling, an operating voltage of 115 Volts AC and a 62 inch-pound running torque.
Typical Applications
Outside air dampers
Mixing boxes
Small rooftop units
Return air dampers
Zone isolation dampers
Makeup air dampers
Economizer units
Performance Data
Product Type: Electric Actuator
Voltage: 120v
Torque: 62 lb-in
Actuator Type: On/Off
Features
Brushless DC motor technology with stall protection
Bi-directional fail-safe spring return
Models available with dual, independently adjustable auxiliary switches
Unique self-centering shaft coupling
Manual override
Available in 62 lb-in torque
5° preload as shipped from factory
Mechanical range adjustment capabilities
UL and cUL listed, CE certified
24 Vac/dc compatible