Description

The MS4105 is a 44 lb-in (5Nm), spring return direct-coupled, line voltage actuator that accepts two position (SPST) control for use 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

  • Brushless DC submotor with electronic stall protection for floating/modulating models.
  • Brush DC submotor with electronic stall protection for 2-position models.
  • Self-centering shaft adapter (shaft coupling) for wide range of shaft sizes.
  • Models available for use with two-position, single pole single throw (spst), line- (Series 40) or low- (Series 80) voltage controls.
  • Models available for use with floating or switched single-pole, double-throw (spdt) (Series 60) controls.
  • Models available for use with proportional current or voltage (Series 70) controls.
  • Models available with combined floating/modulating control in a single device.
  • Access cover to facilitate connectivity.
  • Metal housing with built-in mechanical end limits.
  • Spring return direction field-selectable.
  • Shaft position indicator and scale.
  • Manual winding capability with locking function.
  • UL (cUL) listed and CE compliant.
  • All models are plenum-rated per UL873.

Specs

Product Type:

Actuator

Actuator Type:

Two Position

Torque:

44 lb-in

Fail Safe Mode:

Spring Return

Voltage:

100-250v

Operating Temp Range:

-40 F to 140 F

Features:

NEMA 2

 

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