Spring Return Direct Coupled Actuator

S10 Series (MS4110; MS7510; MS8110)

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.

SPECIFICATIONS

 

Actuator Type

Damper, Valve

Rotational Stroke

95 ±3 degrees

Fail Safe Mode

Spring Return

Rated Torque

88 lb-in. (10 Nm)

External Auxiliary Switches Available ..

Yes, SW2-US

Electrical Connections

Enclosed screw terminal strip

 

(22 to 14 AWG)

Environmental Rating

NEMA2

Frequency

60 Hz

Manual operation

Manual crank

Mounting

Direct Coupled

Maximum Noise Rating,

 

Holding (dBA @ 1m)

20 (no audible noise)

Maximum Noise Rating,

 

Driving (dBA @ 1m)

40

Timing, Nominal Driving at 60 Hz

45 sec. or 90 sec.

Power Consumption, Driving

14 VA, 30 VA, or 45 VA

Rotational Stroke Adjustment

Mechanically limited 5 degree

 

increments

Compatible Damper Shafts

3/8 to 1.06 round or 3/8 to

 

11/16 square

 

(10 to 27 round or 10 to 18

 

square)

Shaft Adapter Type

Self-centering clamping

Supply Voltage

100 to 250 Vac

Materials

Aluminum housing, Plenum

 

rated plastic access cover

Operating Humidity Range (% RH)

5 to 95% RH, non-condensing

Ambient Temperature Range

-40 F to 140 F (-40 C to 60 C)

Storage Temperature Range

-40 F to 158 F (-40 C to 70 C)

Weight

6 lb (2.72 kg)

Includes

Mounting bracket, self-

 

centering shaft adapter, 3mm

 

crank

Comments

Integral 1/2 in. NPSM conduit

 

connection.

APPROVALS

 

CE

89/336/ECC, 73/23/EEC

C-Tick

N314

Underwriters Laboratories, Inc

UL873, Plenum Rated

Canadian Underwriters

 

Laboratories, Inc

cUL C22.2 No. 24-93

 

 

FEATURES

Brushless DC sub-motor with electronic stall protection for floating/modulating models.

Brush DC sub-motor 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.

DIMENSIONS DIAGRAMS

3-15/16 (100)

1-9/16 1-9/16

(40)(40)

1-9/16

(40)

9-3/4

(247)

6-1/8

(156)

 

 

 

 

 

 

 

 

 

 

 

1/4 (6)

 

 

 

 

 

2-15/16 (75)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M20952

 

 

 

 

 

 

 

 

 

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Image 84
Honeywell MS4103 manual S10 Series MS4110 MS7510 MS8110