Siemens Actuator 24V, 3 Position, Floating Control Fail-Safe

*** Pricing is limited to quantity on hand. ***

Siemens SQS85.53U Electronic Actuator Floating Control 3 Position Fail Safe.
Works with Powermite 599 Series MT Series terminal unit valves with a 7/32-inch (5.5 mm) stroke.
Applications small to medium HVAC installations with liquid and low pressure steam service applications.
The SQS85.53U Electronic Valve Actuator requires a 24 Vac supply and receives a floating control signal to provide 3-position control. With no control voltage or in the event of a power failure, a mechanical spring allows the valve to return to its normal (fail-safe) position.
Power Supply Earth ground, isolating Class 2, 24 Vac transformer.
• Maintenance-free with reversible motor.
• UL listed for plenum installations.
• Floating 3-position control signal input.
• Mechanical spring returns the valve to its normal (fail-safe) position in power-off condition.
Measurements 4-3/4" H x 3-3/16" W x 5-1/16 D
Agency approvals Agency approvals