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35 AND 70 LB-IN. NON-SPRING RETURN DIRECT COUPLED ACTUATORS
SPECIFICATIONS
Models: See Table 1.
Dimensions: See Fig. 1, 1A, and 1B.
Electrical Ratings:
Power Input: 24 Vac ±20%, 50/60 Hz.
Impedance:
2-10 Vdc: 45k ohms.
4-20 mA: 536 ohms.
Power Consumption: See Table 2.
Auxiliary Switch Ratings:
Electrical: Selective NO or NC, not simultaneous.
Pilot Duty: 50 VA, 24 Vac.
Switch Differential: Three angular degree maximum.
Torque Ratings (at Rated Voltages): See Table 3.
Actuator Stroke:
Selectable: 45°, 60°, and 90°.
Rotation: Clockwise (cw) and counterclockwise (ccw).
NOTE: Reversing drive rotation of the ML7161 and ML7174
requires changing the control signal from 2-10 Vdc to
10-2 Vdc.
Device Weight: 1.3 lb (0.58 kg).
Actuator Timing for 90° Stroke: See Table 4.
Mounting: Mounts directly on 3/8 in. to 1/2 in. (10 to 13 mm)
round or square shaft. Can be mounted with shaft in any
position with two 1/4 in. (6 mm) 28 NF Allen screws. Mini-
mum Shaft Length Required: 1-3/4 in. (45 mm).
Temperature Ratings:
Ambient: 20°F to 125°F (-18°C to 50°C).
Derated Timing to: -20°F (-29°C).
Shipping and Storage: -20°F to 130°F (-29°C to 54°C).
Humidity Ratings: 5% to 95% RH noncondensing.
Actuator Minimum Design Life: See Table 5.
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 Honeywell Automation and Control Products Sales Office (check white pages of your phone directory).
2. Honeywell Customer Care
1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9.
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.
63-2209—8
Noise Output: 45 dBA at 1 meter maximum.
Feedback Potentiometer Ratings:
Electrical Rating (200976A,C Potentiometer): 24 Vac, 50/60 Hz,
2.25W.
Resistance Output (Resistance Linear as Measured Between
Terminals R-B):
0 ohms (at 0°, cw stroke).
250 ohms (at 45°, cw stroke).
333 ohms (at 60°, cw stroke).
500 ohms (at 90°, cw stroke).
Environmental Protection Ratings:
NEMA1.
IP54 (ML6161E, ML7161E, ML6174E, ML7174E only).
Approvals:
Underwriter's Laboratories Inc. Component Recognized: File
No. E4436; Guide No. XAPX2.
UL94-5V: Meets plenum requirements.
Canadian Standards Association Certified (includes Auxiliary
Switch).
ML6161E, ML6174E, ML7161E, ML7174E only: CE.
Accessories:
200976A Auxiliary Potentiometer (0 to 500 ohm).
200976C Auxiliary Potentiometer (0 to 2000 ohm).
201052A Auxiliary Switch (one).
201052B Auxiliary Switch (two).
201391 Shaft Adapter (included).
4074ENJ Bag Assembly—includes stop pin, shaft adapter,
and two minimum-position screws.
4074ENY Bag Assembly—includes stop pin and shaft
adapter.
4074EVK Short Shaft Extender.
7640QW Metal Enclosure—for attaching conduit to actuator.
T641 Floating Thermostat—for use with seven-minute
models.
T6984 Floating Thermostat—for use with 90-second and
seven-minute models.
T7984 Modulating Thermostat—for use with ML7161 or
ML7174.
2
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