Damper Actuator; Type On/Off, Floating Point, Modulating, Multi-Function Technology, Electronic Direct Coupled; Operation Type Non-Spring Return; Voltage Rating 24 Volt AC/DC; Maximum AC Voltage 24 Volt; Maximum DC Voltage 24 Volt; Frequency Rating 50/60 Hertz; Power Rating 4.5 Watt (Running), 1.5 Watt (Holding); Angle of Rotation 95 Degree; Output Signal 2 to 10 Volt DC; Enclosure NEMA 2, IP54; Shaft Diameter 1/2 to 1.05 Inch; Operating Temperature -22 to 122 Deg F; Application HVAC System; Approval UL (Canada and US), UL 60730, CE, CAN/CSA E60730; Applicable Standard ISO 9001