Product Description
The Honeywell MS4103F1221 is a reliable fire and smoke damper actuator designed for safety in fire and smoke applications. It complies with UL-555 and UL-555S standards, ensuring optimal performance in extreme conditions up to two hundred fifty degrees Fahrenheit. The actuator responds quickly to close dampers, minimizing the risk of fire and smoke spread. Its robust die-cast aluminum housing provides durability and longevity.
- UL-certified for safety in fire and smoke applications
- Fast-acting with quick spring return mechanism
- Includes auxiliary switches for enhanced functionality
Product Highlights
This actuator is essential for HVAC systems where fire safety is a priority, ensuring efficient damper control during emergencies.
Product Information
Standard Information
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Manufacturer: Honeywell
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Brand: Honeywell
Technical Specifications
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MPN: MS4103F1221
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Operating Torque: twenty-seven lb-in (three Nm)
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Supply Voltage: twenty-four Vdc and one hundred/two hundred fifty Vac
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Power Consumption: six VA driving and three Vdc or five Vac holding
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Auxiliary Switches: two x SPST, fixed at ten and eighty degrees, 125Vac, one A resistive load
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Drive Time: less than forty-five seconds
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Spring Return Time: less than twenty-five seconds
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Stroke: ninety-five degrees +/- three degrees mechanically limited
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Operating Temperature: minus forty to one hundred fifty degrees Fahrenheit (minus forty to sixty-five degrees Celsius)
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Humidity: five percent to ninety-five percent R.H. non-condensing
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Enclosure Ratings: IP54 in horizontal and cable down positions, IP50 in cable up position, NEMA 2
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Flame Resistance: UL94-5VA
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Supply VA: six VA
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Control Signal: Two Position
