Honeywell MS4103 ユーザーズマニュアル

88

ML6161; ML7161

Used to control dampers in 
applications such as variable air 
volume (VAV) terminal units and for 
mounting on ball valves; suitable for 
use with SPDT or floating 
thermostats or building automation 
controls.

SPECIFICATIONS
Actuator Type ....................................... Damper

Rotational Stroke  .................................. 90 degrees

Fail Safe Mode  ..................................... Non-Spring Return

Rated Torque ........................................ 35 lb-in. (4 Nm) 

External Auxiliary Switches Available  .. Yes, 201052B

Electrical Connections  ......................... Screw terminals

Environmental Rating  ........................... NEMA1

Feedback  ............................................. With accessory

Frequency  ............................................ 50 Hz, 60 Hz

Manual operation  ................................. Declutch mechanism

Mounting  .............................................. Direct Coupled

Maximum Noise Rating, 

Driving (dBA @ 1m) .............................. 45

Timing, Nominal Driving at 60 Hz  ........ 90 sec., 180 sec. or 420 sec.

Power Consumption, Driving  ............... 1.8 VA or 5.4 VA

Rotation to Open  .................................. By wiring

Rotational Stroke Adjustment ............... Mechanically limited at 45 or 

60 degrees in cw or ccw 

directions

Compatible Damper Shafts .................. 3/8 to 1/2 in. square or round

 (10 to 13 square/round) 

Shaft Adapter Type  .............................. Aluminum Hub, two set screws

Supply Voltage  ..................................... 24 Vac ±20%

Materials ............................................... Steel plate and Plenum rated 

plastic

Operating Humidity Range (% RH) ...... 5 to 95% RH, non-condensing

Ambient Temperature Range  ............... 20 F to 125 F (-18 C to 50 C) 

Storage Temperature Range ................ 20 F to 130 F (-18 C to 54 C) 

Weight  .................................................. 1.5 lb (0.68 kg) 

Includes  ............................................... 4074ENY Bag Assembly

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

• Control for air damper applications with up to 10 sq.ft. 

assuming 3.5 lb-in. per sq.ft. of damper area, velocity 
independent. 

• Superior A/C synchronous sub-motor for consistent timing 

and actuator longevity. 

• Eliminate need for limit switches or mechanical stops by 

providing magnetic coupling. 

• All models include manual declutch lever, and bag 

assembly with two minimum position setscrews. 

• Mount directly on 3/8 in. or 1/2 in. square or round damper 

shaft. 

• Selectable 45, 60, and 90 degree stroke in either clockwise 

or counterclockwise direction.

1

(25)

M22990

T1

T2

-

+

+

24 Vac

2-10 Vdc

4-20 mA

4-7/8

(123)

4-1/4

(108)

5-9/16

(141)

11/16

(18)

1/8

(3)

5/16 (8)

1-11/16

(43)

3-3/8 (86)

1/8

(3)

15/32 (12)

1-5/16

(33)

3 (76)

2-7/8 (73)

1-11/16

(42)

1/8

(3)

1 (25)

M18016

CW

COM

CCW

11/16

(18)

3-3/8 (86)

4-1/4

(108)

4-7/8

(123)

2-7/8  (73)

1-11/16

(42)

1/8

(3)

1-5/16

(33)

7/8

(22)

2-1/2  (64)

M18018

5-7/8

(149)

1-13/16

(46)

1

(25)

3-5/8  (92)

1-13/16  (46)

3 IN. (76 MM)

MINIMUM SPACING

REQUIRED 

FOR REMOVING 

CONDUIT COVER

3-3/4  (95)

7/8

(22)

Non-Spring Return Direct Coupled Actuator

ml6161; ml7161