SFA71U Siemens Electronic Valve Actuator


Zone Valve Electronic Actuator, 24 Vac, 2-Position, NC, SR.

SF Series electronic zone valve actuator, 24 Vac, normally closed, 2-position, with spring return. Works with Siemens 599 Series zone valves with 1/10-inch (2.5 mm) stroke. UL listed for plenum installations, manual override.

SKU: SFA71U Category:


7-10 day lead time for this product


Installation Guide

The 599 SF Series electronic zone valve actuators, accepts 24 Vac or 120 Vac power supply signal to provide two-position control. This actuator works with Siemens 599 Series zone valves with 1/10-inch (2.5 mm) stroke.


  • UL listed for plenum installations
  • Direct coupled installation without tools
  • Manual override
  • Visual position indication
  • Spring return fail-safe operation

Technical specifications

Actuator Type


Control or Fire/Smoke Type

Control Damper


105 N

Fail Safe


Control Signal


Positioning time

10 s

Power consumption

9.8 VA

Mounting position

NEMA 1 (interior only)

Ambient temperature, operation

41 to 122 ºF

Ambient humidity, operation

0% to 90% rh (non-condensing)

Supply Voltage

24 VAC


2.5 mm

Cable length

2.5 m

Dimensions (W x H x D)

4.4 x 3.4 x 2.3 in

Additional information

Weight 2 lbs
Dimensions 5 × 4 × 3 in

Part Number



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