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Honeywell MSxx20F Fire and Smoke Damper Actuator
RM 0.00
Description
MSxx20F 175 lb-in. Fire and Smoke Damper Actuator
The MS4120F, MS4620F, MS8120F Fast-Acting, Two-Position Actuators are spring return direct coupled actuators (DCA) for on/off damper control. The actuator accepts an on/off signal from a single-pole, single-throw (spst) controller. Reversible mounting allows actuator to be used for either clockwise (cw) or counterclockwise (ccw) spring rotation.
Features & Benefits:
- 175 lb-in. (20 Nm) minimum driving torque at 350°F (176°C)
- Reversible mounting facilitates use in either clockwise (cw) or counterclockwise (ccw) spring rotation
- Integral spring return ensures level of return torque
- Stainless steel internal spring
- Fifteen-second spring return timing
- No special cycling required during long-term holding
- No audible noise during holding
- Models available for 24, 120, and 230 Vac applications
- Ninety-five degree angle of rotation
- Actuator holds rated torque at reduced power level
- Die-cast aluminum housing
- Housing design allows flush mounting to damper
- Patented Self-Centering Shaft Adapter (SCSA). Patent Number: US 6,505,991
Certifications:
- Designed to operate reliably in smoke control systems requiring Underwriter’s Laboratories Inc. UL555S ratings up to 350°F.
| Part Number | Description |
| MS4120F1006/B | Fire and Smoke Actuator, Spring Return, 175 lb-in, 20 Nm,120 Vac, 2-position (SPST), Bulk Pack |
| MS4120F1006/U | Fire and Smoke Actuator, Spring Return, 175 lb-in, 20 Nm,120 Vac, 2-position (SPST) |
| MS4120F1204/B | Fire and Smoke Actuator, Spring Return, 175 lb-in, 20 Nm,120 Vac, 2-position (SPST), 2x Aux Switch, Bulk Pack |
| MS4120F1204/U | DC MOTOR DIRECT DAMPER ACTUATOR |
| MS4620F1005/B | Fire and Smoke Actuator, Spring Return, 175 lb-in, 20 Nm,230 Vac, 2-position (SPST), Bulk Pack |
| MS4620F1005/U | Fire and Smoke Actuator, Spring Return, 175 lb-in, 20 Nm,230 Vac, 2-position (SPST) |
| MS4620F1203/B | Fire and Smoke Actuator, Spring Return, 175 lb-in, 20 Nm,230 Vac, 2-position (SPST), 2x Aux Switch, Bulk Pack |
| MS4620F1203/U | Fire and Smoke Actuator, Spring Return, 175 lb-in, 20 Nm,230 Vac, 2-position (SPST), 2x Aux Switch |
Additional information
| Model | MS4120F1006/B, MS4120F1006/U, MS4120F1204/B, MS4120F1204/U, MS4620F1005/B, MS4620F1005/U, MS4620F1203/B, MS4620F1203/U |
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