Siemens GBB131.1U DAMPER ACTUATOR | NON-SPRING RETURN | 24 VAC | ON/OFF/FLOATING POINT | 221 LB-INSiemens GBB131. 1U Damper Actuator Non Spring Return 24 VAC On Off Floating Point 221 lb inOpenAir GBB Series Electric Damper Actuator, rotary, non spring return, 221 lb in (25 Nm), 24 Vac dc, floating control, 125 sec run time Non spring return, 221 lb in, 24 Vac dc, floating control, 125 sec run time Additional Information Control or Fire Smoke TypeControl Damper Torque221 lb in Positioning time50 Hz: 150 s, 60 Hz: 125 s Position feedbackNo Power
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