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ML6131 DIRECT COUPLED ACTUATOR
SPECIFICATIONS
Models:
ML6131B: 6 lb-in. torque, selectable 45°, 60°, and 90° stroke
in both cw and ccw directions. 15 second timing, spdt
Floating Series 60, includes auxiliary potentiometer drive
for use with field-addable feedback potentiometer. Includes
minimum position adjustment setscrews for cw or ccw
operation. Includes 4074ENJ Bag Assembly.
Dimensions: See Fig. 1.
Electrical Ratings: Input Voltage: 24 Vac ±20%, 50/60 Hz.
Power Consumption (Maximum), at 24 Vac: 2.2W, 0.095A,
2.4 VA.
Ambient Ratings:
Operating Temperature: 32°F to 130°F (0°C to 54°C).
Shipping and Storage: -20°F to 120°F (-29°C to 49°C).
Humidity: 5% to 95% RH noncondensing.
Torque Ratings: See Table 1.
Minimum Life Cycle Rating: 400,000.
Repositions: 1.5 million.
Actuator Timings (At 50 Hz Nominal):
90°-18 sec.
60°-12 sec.
45°-9 sec.
Actuator Timings (At 60 Hz Nominal):
90°-15 sec.
60°-10 sec.
45°-7.5 sec.
Damper Shaft Mounting:
• Suitable for mounting onto 3/8 to 1/2 in. square or round
damper shafts secured by two 1/4 in. 28 NF Allen screws.
• Minimum damper shaft length 1-3/4 in. (45 mm).
• Actuator may be mounted with actuator shaft in any
position.
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 Inc., 1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386
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.
63-2498—2
Feedback Potentiometer Ratings (ML6131B):
200976A,C Electrical Rating: 24 Vac, 50/60 Hz, 2.25 watts.
Resistance Output (Resistance Linear as Measured
Between Terminal R-B):
0 ohms (at 0 degree, cw stroke).
250 ohms (at 45 degree, cw stroke).
333 ohms (at 60 degree, cw stroke).
500 ohms (at 90 degree, cw stroke).
Auxiliary Switch Ratings: Electrically selective NO or NC,
not simultaneous.
Pilot Duty: 40 VA, 24 Vac.
Switch Differential: 3 angular degrees maximum.
Approvals:
Underwriters Laboratories Inc. Component Recognized:
File No. E4436; Guide No. XAPX2.
CSA Certified (includes auxiliary switch).
Accessories:
201052A One Auxiliary Switch.
201052B Two Auxiliary Switch.
201052C Three Auxiliary Switch.
200976A 0 to 500 ohm Auxiliary Potentiometer.
200976C 0 to 2000 ohm Auxiliary Potentiometer.
4074ENJ Bag Assembly—includes stop pin, shaft adapter,
and minimum position screw.
4074ENY Bag Assembly—includes stop pin and shaft
adapter.
4074EVK Short Shaft Extension Kit—to adapt actuator output
hub to short VAV damper shafts.
7640QW Metal Enclosure—for running conduit to actuator.
Table 1. Torque Ratings.
Running
Breakaway
Stall (Typical)
2
Torque
6 lb-in. (0.7 N•m)
6 lb-in. (0.7 N•m)
7.5 lb-in. (0.8 N•m) minimum
18 lb-in. (2.0 N•m) maximum
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