Description

MS4110, MS7510, MS8110 S10 Series 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

  • 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.
  • Models available with adjustable zero and span.
  • Models available with line-voltage internal end switches.
  • 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.

Specifications

  • Actuator Type: Damper, Valve
  • Application Type: HVAC
  • Fail Safe Mode: Spring Return
  • Control Signal: SPST, 2 Position
  • Supply Voltage: 24 Vac +/- 20%
  • Shaft Adapter Type: Self Centering clamping
  • Manual Operation: Manual Crank
  • Mounting: Direct Coupled
  • Frequency: 60 Hz, 50 Hz
  • Rotational Stroke: 95 ¬+/- 3 degrees
  • Rotational Stroke Adjustment: Mechanically limited 5 degree increments
  • Spring Return Direction: By orientation
  • Timing, Maximum Spring Return (sec): 20 sec
  • Timing, Nominal Driving @ 60 Hz (sec): 45 Sec
  • Spring Return Direction: By orientation
  • Dimensions (in.): 9.72 in high x 3.94 in wide x 2.95 in deep
  • Compatible Damper Shafts (in.): 3/8 to 1.06 in. round or 3/8 to 11/16 in. square
  • Temperature Range, Ambient (F): -40 F to 140 F
  • Operating Humidity Range (% RH): 5 to 95% RH, non-condensing
  • Includes: Mounting bracket, self-centering shaft adapter, 3mm crank

Specs

Product Type:

Actuator

Actuator Type:

Two Position

Voltage:

24v

Application:

HVAC

Torque:

88 lb-in

Operating Temp Range:

-40 F to 140 F

Fail Safe Mode:

Spring Return

Features:

NEMA 2

Control Signal:

SPST, 2 Position

 

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