The VDM60 Series are typically used to control two-position zone systems, or commercial / residential HVAC dampers. They are designed for use with on/off or floating-point thermostats, controllers, or building automation systems. Model: VDM60-LO Power Open (Terminal 4): CCW Green Light Power: 24 VAC, 50/60 Hz, 2 VA Class 2 Control: On/Off or Floating Angle of Rotation: 0 to 95°, adjustable Torque and Speed: 13 in-lb (1.5 N.m), 30-40 sec for 95° Coupling - Round Shaft: 1/4 to 5/8 inch (6 to 16 mm) Coupling - Square shaft: 1/4 to 7/16 inch (6 to 11 mm) Shaft length: 1.5 inches (38 mm) Min Electric Connection: Wires 14 to 22 AWG Dimensions: 5 x 2.6 x 2 inches (127 x 66 x 51 mm) Weight: 0.75 lb. (0.34 kg) Enclosure: Flame-retardant plastic Noise Level: < 35 dB at 1 meter Operating Environment: -4 to 140°F (-20 to 60°C) Shipping Environment: -22 to 176°F (-30 to 80°C)