FSAF120A US Belimo Actuator Fire & Smoke

Overview

The Belimo FSAF120A US is a spring-return fire and smoke actuator designed for two-position fail-safe control in UL555S rated dampers.

Features

• Spring-return fail-safe function ensures immediate closure upon loss of power
• High-torque capacity for driving large fire and smoke dampers
• Rated for elevated temperature safety environments up to 350°F
• Constant torque output maintained throughout rotation

Specifications

• Torque: 180 in-lb [20 Nm]
• Nominal Voltage: AC 120 V
• Control Signal: On/Off
• Fail-Safe: Spring Return
• Rating: UL555S compliant

Applications

• Operation of UL555S listed fire and smoke dampers
• HVAC life safety containment and smoke isolation