Honeywell MS81 Spring Return Direct Coupled Actuator MS8104F1210

SKU: LSITYQ5NH0 Part Number: MS8104F1210 Model: P1911872

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Sale price$423.95 Regular price$709.12

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In stock (6 units), ready to be shipped
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Description

Fire and smoke actuator, spring return, 30 lb-in, 24 Vac, 2-position (SPST), 2x auxiliary switch.

MS81 Spring Return Direct Coupled Actuators (DCA) are used within heating, ventilating, and air-conditioning (HVAC) systems. They can drive a variety of quarter-turn, final control elements requiring spring return fail-safe operation.

Features & Benefits:

  • 30 lb-in or 80 lb-in minimum driving torque at 350F (176C)
  • Reversible mounting facilitates use in either clockwise (cw) or counterclockwise (ccw) spring rotation
  • Integral spring return ensures level of return torque
  • Fifteen-second spring return timing
  • No special cycling required during long-term holding. (See Operation section.)
  • No audible noise during holding
  • Patent pending design eliminates need for limit switches to reduce power consumption
  • Models available for 24, 120, and 230V AC
  • 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
  • Designed to operate reliably in smoke control systems requiring Underwriter's Laboratories Inc. UL555S ratings up to 350F
  • Models available with SPST position-indicating switches (7°, 85° stroke)

Certifications:

  • UL873
  • IEC 60730-1 and Part 2–14
  • UL1097 for Double Insulation
  • CE Certification Low Voltage Directive 2006/95/EC
  • CE EMC 2004/108/EC
  • C-Tick N314

Specifications

Manufacturer Honeywell
Part Number MS8104F1210
Model P1911872

About Honeywell

Honeywell International Inc. is a worldwide technology and manufacturing company that provides aerospace products and services, control, sensing, and security technologies for commercial buildings, safety and productivity solutions, specialty chemicals, advanced materials, process technology for refining and petrochemicals, and energy efficient products and solutions.

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