Spring return actuator for adjusting UL 555/555S fire and smoke protection dampers in HVAC installations
•Control2-point
•Auxiliary switch2x fixed, not adjustable
•Shaft couplingclamp
Ø 0,35-1,02 in [9-26 mm]
Technical data
Electrical data
Nominal voltage range : 85...265 VAC/DC
Power consumption motor (motion) : 7,0 W
Power consumption standby (end position) : 1,5 W
Wire sizing : 11,5 VA
Control : 2-point
Feedback signal : -
Auxiliary switch : 2 x SPDT (AgAu)
Contact load : 1 mA...5 (2,5) A, 5 VDC...250 VAC
Switching point : 5° / 80°
Connection motor : cable 3,2 ft [1000 mm],
2 x AWG 18
Connection auxiliary switch : cable 3,2 ft [1000 mm],
6 x AWG 18
Connection GUAC : -
Functional data
Synchronised speed : ±5%
Direction of rotation : selected by mounting
Manual override : manual operation
Sound power level motor : < 45 dB(A)
Sound power level spring : < 65 dB(A)