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Product details
manufacturer: Siemens
mpn: SSA81U
Zone Valve Electronic Actuator, 24V, 3P control signal, NSR, NC, 2.5m leads.
SSA Series electronic zone valve actuator, 24 Vac, normally closed, 3-Position. Works with Siemens 599 Series zone valves with 1/10-inch (2.5 mm) stroke. Comes with a 2.5-meter cable. UL listed for plenum installations, manual override.
Additional Information
Actuator TypeElectronic
Control SignalFloating control
Positioning signal3-position, floating
Positioning time150 s
Power consumption0.8 VA
Mounting positionNEMA 1 (interior only)
Ambient temperature, operation1…110 °C
Operating voltage19.2…28.2 V24 V#AC/DC
Supply Voltage24 VAC
Stroke2.5 mm
Cable length2.5 m
Dimensions (W x H x D)3.3 x 3.25 x 1.88 in
Degree of protectionIP54