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Common Technical Questions: What is the maximum close-off pressure for the B213B
40-inch shaft length and single-phase operation
Can this transformer be used for multi-load 24V circuits
35 OHMS to ensure precise heat output
Siemens Building Technology GMA126.1U Actuator 320074-702 Common Technical Questions: What isThe Siemens Building Technology GMA126. 1U Actuator is a professional grade, 2 position spring return air damper actuator engineered for precise control in critical HVACR systems. Operating on a 24V AC DC power supply, this OpenAir GMA Series unit delivers a robust 62 lb in torque (7 Nm), making it an ideal choice for managing return air, mixed air, and exhaust dampers. Designed for fail safe operation, the bi directional spring return ensures the