Honeywell MS4104F1210 Actuator 318172-701 A direct 1-to-1 replacement for

A direct 1-to-1 replacement for the GE 3ARR3MARS550

while the manual override allows for straightforward commissioning and emergency positioning without requiring a power source

The switch must be mounted with the diaphragm in a vertical plane

Integrating a genuine OEM 057479501 prevents nuisance tripping while maintaining accurate sensitivity to genuine thermal threats

If the cad cell fails to detect a flame within the specified trial-for-ignition period

Honeywell MS4104F1210 Actuator 318172-701 A direct 1-to-1 replacement forThe Honeywell MS4104F1210 is a high performance Fast Acting Actuator engineered specifically for fire and smoke applications. This 120 Vac spring return actuator delivers 30 lb in of torque, ensuring reliable fail safe operation in critical life safety systems. Designed for precise two position control, it handles UL555 and UL555S requirements for leakage and fire ratings. This model features a 95 degree stroke and is compatible with a 1 2 inch round