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model FSNF120-S
2-position spring return
120 vac
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Application
The FSNF120-S spring-return actuator is provided with 2 built-in auxiliary switches and is intended for the operation of smoke and fire/smoke dampers used in HVAC systems. The actuator will meet the requirements of UL 555 and UL 555S when assembled on a UL listed/labeled damper for this application.
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