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ML4125, ML4135, ML8125, ML8135 Fast-Acting, Two-Position Actuators
FOR HEATING, VENTILATION AND
AIR-CONDITIONING APPLICATIONS
PRODUCT DATA
FEATURES
•Integral spring return.
•-40 to 130°F (-40 to 54°C) operating temperature range.
•No audible noise during holding.
•Electronic circuitry provides efficient operation while eliminating the need for limit switches.
•Ninety-five degree angle of rotation.
•Die-cast aluminum housing.
•Housing design allows flush mounting to damper.
•Integral junction box with three conduit openings eliminates need for separate wiring box.
•Direct mounting to 3/8 or 1/2 in. round or square shaft.
ML4125, ML8125
•100 lb-in. (11.3 N•m) minimum driving torque.
•25 to 40 second drive timing (load dependant).
•Models available for 24, 120, and 230 Vac.
APPLICATION
The ML4125, ML4135, ML8125 and ML8135 Fast-Acting, Two-Position Actuators are spring return direct coupled actuators (DCA) with an integral junction box for on/off damper control. The actuator accepts an on/off signal from a single-pole, single-throw (spst) controller. Models are available with clockwise (cw) or counterclockwise (ccw) spring return and are designed for heating, ventilation, and air-conditioning (HVAC) applications.
IMPORTANT
This actuator is not to be used in fire/smoke applications requiring UL555/555S approval.
ML4135, ML8135
•40 lb-in. (4.5 N•m) minimum driving torque.
•20 to 25 second drive timing (load dependant).
•Models available for 24 and 120 Vac.
APPLICABLE LITERATURE |
|
— Motor/Actuator Selection Guide |
|
for Damper Applications |
63-8419 |
— Engineering Manual of Automatic Control |
|
(also called The Gray Manual) |
77-1100 |
— Direct Coupled Actuator |
|
Quick Selection Guide |
63-8553 |
— Damper Torque Calculator |
63-8437 |
|
Contents |
Application ........................................................................ |
1 |
Features ........................................................................... |
1 |
Specifications ................................................................... |
2 |
Ordering Information ........................................................ |
2 |
Installation ........................................................................ |
4 |
Operation .......................................................................... |
6 |
Checkout .......................................................................... |
6 |
® U.S. Registered Trademark |
N314 |
Copyright © 2000 Honeywell • All Rights Reserved |
63-2567-3 |
ML4125, ML4135, ML8125, ML8135 FAST-ACTING, TWO-POSITION ACTUATORS
SPECIFICATIONS
Models: See Table 1.
Table 1. ML4125/4135, ML8125/8135 DCA Models.
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Spring Return |
Voltage |
Torque |
Model |
Direction |
in Vac |
in lb-in. (N•m) |
|
|
|
|
ML4125A |
ccw |
120 |
100 (11.3) |
|
|
|
|
ML4125B |
cw |
|
|
|
|
|
|
ML4135A |
ccw |
|
40 (4.5) |
|
|
|
|
ML4135B |
cw |
|
|
|
|
|
|
ML4125C |
ccw |
230 |
100 (11.3) |
|
|
|
|
ML4125D |
cw |
|
|
|
|
|
|
ML8125A |
ccw |
24 |
|
|
|
|
|
ML8125B |
cw |
|
|
|
|
|
|
ML8135A |
ccw |
|
40 (4.5) |
|
|
|
|
ML8135B |
cw |
|
|
|
|
|
|
Dimensions: See Fig. 1.
Electrical Ratings:
Power Input:
ML4125A,B: 120 Vac +10%, -15%, 60 Hz.
ML4125C,D: 230 Vac ±10%, 50 Hz.
ML4135: 120 Vac ±10%, 60 Hz.
ML8125, ML8135: 24 Vac +20%, -10%, 50/60 Hz.
Power Consumption (at Nominal Voltage):
ML4125A,B: Running: 0.16A, 15W.
Holding: 0.10A, 5W.
ML4125C,D: Running: 0.12A, 18.6W.
Holding: 0.10A, 7W.
ML4135: Running: 0.18A, 18W.
Holding: 0.11A, 9W.
ML8125: Running: 15.6 VA.
Holding: 4 VA.
ML8135: Running: 18 VA.
Holding: 8.5 VA.
Temperature Ratings:
Ambient: -40°F to 130°F (-40°C to 55°C).
Shipping and Storage: -40°F to 140°F (-40°C to 60°C).
Humidity Ratings: 5% to 95% RH noncondensing.
Electrical Connections:
ML4125A,B, ML4135, ML8125, ML8135: Two color coded 16 in. leads; includes ground screw.
ML4125C,D: 1m appliance cable.
Three 7/8 in. holes for conduit connections (fittings not included).
Controller Type:
ML4125A,B, ML4135: Line voltage (120 Vac), two-position, spst (Series 40).
ML4125C,D: Line voltage (230 Vac), two-position, spst (Series 40).
ML8125, ML8135: Low voltage (24 Vac), two-position, spst (Series 80).
Device Weight: 5 lb (2.3 kg).
Stroke: 95° ± 3°, mechanically limited.
Torque Ratings:
Driving:
Minimum:
ML4125, ML8125: 100 lb-in. (11.3 N•m). ML4135, ML8135: 40 lb-in. (4.5 N•m).
Typical:
ML4125, ML8125: 170 lb-in. (19.2 N•m). ML4135, ML8135: 100 lb-in. (11.3 N•m).
Spring Return:
Minimum:
ML4125, ML8125: 80 lb-in. (9 N•m). ML4135, ML8135: 40 lb-in. (4.5 N•m).
Typical:
ML4125, ML8125: 100 lb-in. (11.3 N•m). ML4135, ML8135: 50 lb-in. (5.7 N•m).
Derated (from -40°F to 0°F [-40°C to -18°C]): ML4135, ML8135: 30 lb-in. (3.4 N•m).
Holding (minimum): 100 lb-in. (11.3 N•m). Stall Maximum:
ML4125, ML8125: 240 lb-in. (27.1 N•m). ML4135, ML8135: 150 lb-in. (17 N•m).
Noise Rating (Maximum):
Driving/Spring Return: 65 dBA at 1m.
Holding: 20 dBA at 1m (no audible noise).
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the TRADELINE® Catalog or price sheets for complete ordering number.
If you have additional questions, need further information, or would like to comment on our products or services, please write or phone:
1.Your local Home and Building Control Sales Office (check white pages of your phone directory).
2.Home and Building Control Customer Logistics Honeywell, 1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386 (612) 951-1000
In Canada—Honeywell Limited/Honeywell Limitée, 155 Gordon Baker Road, North York, Ontario M2H 3N7.
International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France, Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
63-2567—3 |
2 |
ML4125, ML4135, ML8125, ML8135 FAST-ACTING, TWO-POSITION ACTUATORS
Mounting:
3/8 in. (10 mm) to 1/2 in. (13 mm) square or round damper shafts. Actuator can be mounted with shaft in any position. Secure hub to shaft with:
ML8125, ML4125A,B: Four 1/4-28 UNF set screws. Use 1/8 in. Allen wrench to tighten set screws.
ML8135, ML4135: Two 1/4-28 UNF set screws. Use 1/8 in. Allen wrench to tighten set screws.
ML4125C,D: Four 3 mm set screws. Use 3 mm Allen wrench to tighten set screws.
IMPORTANT
Honeywell does not recommend using linkages with these actuators because side-loading of the output hub reduces actuator life.
Minimum Damper Shaft Length: 1-3/4 in. (45 mm).
Timing:
Drive Open:
ML4125, ML8125: 25 to 40 seconds (load dependant). ML4135, ML8135: 20 to 25 seconds (load dependant).
Spring Close:
ML4125, ML8125: 20 to 25 seconds. ML4135, ML8135: 15 seconds.
Design Life (at Rated Voltage):
ML4125, ML8125: 80,000 full-stroke cycles. ML4135, ML8135: 60,000 full-stroke cycles.
Environmental Protection Ratings: See Table 2.
Table 2. Environmental Ratings.
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|
All Devices |
ML4125C,D, ML8125, ML8135 |
|
|
NEMA1 |
IP54 |
|
|
Approvals: See Table 3. |
|
Accessories:
201391 Shaft Adapter for 3/8 in. (10 mm) shafts.
205649 Mounting Bracket (included with the actuator).
32003532-001 Adjustable Switch Package, two 10A externally-mounted fully-adjustable switches.
Table 3. Approvals.
|
ML4125 |
|
|
|
|
|
A,B |
C,D |
ML4135 |
ML8125 |
ML8135 |
UL/cUL |
X |
X |
X |
X |
X |
UL873 |
X |
X |
X |
X |
X |
Plenum Rating, |
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|
|
|
|
File No. E4436 |
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|
CE |
|
X |
|
X |
X |
C-TICK |
|
X |
|
X |
|
2 (51) |
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|
|
|
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1 (25) |
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|
|
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5/8 |
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|
|
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(17) |
1 |
|
|
|
|
|
|
|
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|
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6 3/8 |
|
|
|
|
(161) |
|
|
|
7 1/2
(192)
2 (51) |
3 5/16 (84) |
4 (102) |
1/16 (2) |
|
|
|
7/8 (22) |
1 ML4135/ML8135 HAVE SHORTER HUB WITH TWO SET SCREWS. ML4125/ML8125 HAVE LONGER HUB WITH FOUR SET SCREWS.
5 1/8 (129) |
M17538 |
Fig. 1. ML4125/4135, ML8125/8135
dimensiona drawing in in. (mm).
3 |
63-2567—3 |
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