The fire and smoke, FSTF spring return actuators offers 18 in-lbs for approximately 1.5 square feet at 250°. The actuator provides 95° of rotation and is provided with a graduated position indicator showing 0° to 95° for proportional control of fire and smoke combination and smoke dampers in UL555S applications. In new installations, codes require damper manufacturer mounting per UL555S.
| Mfr. Part No. | Description |
| FSTF120 US | Fire & Smoke Actuator,18 in-lb,Spring Return,120V,On/Off, 1m Cable |
| FSTF120-S US | Fire & Smoke Actuator,18 in-lb,Spring Return,120V,On/Off, 2SPST, 1m Cable |
| FSTF230-S US | Fire & Smoke Actuator,18 in-lb,Spring Return,230V,On/Off, 2SPST, 1m Cable |
| FSTF230 US | Fire & Smoke Actuator,18 in-lb,Spring Return,230V,On/Off, 1m Cable |
| FSTF24 US | Fire & Smoke Actuator,18 in-lb,Spring Return,24V,On/Off, 1m Cable |
| FSTF24-S US | Fire & Smoke Actuator,18 in-lb,Spring Return,24V,On/Off, 2SPST, 1m Cable |
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