diversitech.com NOTE: Item numbers in RED indicate Made in the U.S.A. SIEMENS | ELECTRICAL 391 SIEMENS - CONTROLS CATALOG NO. DESCRIPTION DIRECT REPLACEMENT FOR UOM OM GCA161.1P Spring Return, 160 lb-in, 24Vac/dc, 0-10Vdc Control, 90s Run, Feedback, Plenum Belimo AF Series EA 1 GCA161.1U Spring Return 160 lb-in (18Nm), 24Vac/dc, 0-10 Vdc Control, 90sec Run, Feedback Belimo AF Series EA 1 CATALOG NO. DESCRIPTION DIRECT REPLACEMENT FOR UOM OM GMA121.1U Spring Return, 62 lb-in (7 Nm), 24 Vac/dc, 2-position Control, 90 sec Run Belimo AF Series EA 1 GMA161.1P Spring Return, 62 lb-in 24 Vac/dc, 0-10 Vdc Control, 90 sec Run, Feedback, Plenum Belimo LN/NF Series EA 1 OpenAir® GCA Series Spring Return 160 lb-in Electronic Damper Actuators OpenAir® GMA Series Spring Return 62 lb-in, Rotary, Electronic Damper Actuators GCA161.1P GMA121.1U Designed for control of building HVAC dampers, the OpenAir GCA Series Direct-coupled, Spring Return Electronic Actuators are available in 0 to 10 Vdc or 2 to 10 Vdc modulating, floating and two-position (on/off) control models. The OpenAir GMA Series Direct-coupled, Spring Return Electronic Damper Actuators provide modulating, two position and floating control of building HVAC dampers. Features 24 Vac/dc compatible Visible position indication Self-centering shaft coupling Bidirectional fail-safe spring return Rugged all metal housing Accepts shaft diameters up to 1” (25 mm) Quiet, low-power operation Brushless DC motor technology with stall protection Assembled in the U.S.A. Manual override Precabled All modulating types contain built-in feedback Features 24 Vac/dc compatible Integral 1/2-inch conduit connector Small actuator footprint with 62 lb.-in. of torque Bi-directional fail-safe spring return Unique self-centering shaft coupling Floating control models available with feedback potentiometer Manual override Mechanical range adjustment capability Easily visible position indicator Brushless DC motor technology Precabled UL60730, cUL (C22.2 No. 24-93), and CE listed All modulating types contain built-in feedback Assembled in the U.S.A Options Dual independently adjustable auxiliary switch Adjustable offset and span Signal inversion Application 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.
