Honeywell ml6275 Manuale Utente

63-2493—1

ML6275 SPRING RETURN DIRECT COUPLED ROTARY ACTUATOR

SPECIFICATIONS

Models

ML6275: Spring Return Direct Coupled Rotary Actuators
ML6275A: Low Torque (25 lb-in.) Direct Coupled Rotary

Actuator without auxiliary switches or time-out function

ML6275C: Low Torque (25 lb-in.) Direct Coupled Rotary

Actuator with two line voltage rated auxiliary switches
and without time-out function

ML6275D: Low Torque (25 lb-in.) Direct Coupled Rotary

Actuator without auxiliary switches and with time-out
function

ML6275F: Low Torque (25 lb-in.) Direct Coupled Rotary

Actuator with two line voltage auxiliary switches and
with time-out function

Electrical Ratings:

Power Input: 24 Vac

20%, 50/60 Hz

Power Consumption:

ML6275A-C: 12 VA maximum at 24 Vac
ML6275D,F: 12 VA maximum at 24 Vac

Auxiliary Switch Ratings: 120, 240 Vac, 3 AFL, 18 ALR, 1A

Pilot Duty

Cable Ratings:

Control: Standard models include nonplenum UL/CSA

rated, 30V, 60

C, 20 gauge computer cable

Auxiliary Switch: UL/CSA rated 300V, 90

C, 18 gauge cable

Controller Type:

Floating, 3-wire drive open, drive closed, hold. Internal

electrically isolated feedback potentiometer provides
indication of motor position

Torque Ratings at Rated Voltages:

Lift and Hold: 25 lb-in. (3 N•m)
Breakaway Minimum: 25 lb-in. (3 N•m)
Stall Minimum: 25 lb-in. (3 N•m) spring return
Stall Driving Maximum: 60 lb-in. (6.5 N•m)

Actuator Stroke:

Nominal

, mechanically limited

Actuator Timing at 90

Stroke:

2 seconds synchronous at 60 Hz from 0

F to 140

106

2 seconds at 50 Hz

Spring Wind Timing Upon Power Restoration Only: 100

seconds nominal at 60 Hz, 120 seconds at 50 Hz

Spring Return Timing:

30 seconds maximum per 90

at 72

F rated load

5 minute maximum at -30

F rated load

Ambient Temperature Range:

-30

F to +140

F (-35

C to +60

Storage Temperature:

-30

F to 150

F (-35

C to 65

Humidity:

5 to 95 percent relative humidity, noncondensing

Mounting:

Mounts directly on horizontal 3/8 in. to 5/8 in. (12 to
16 mm) round or square damper shaft. Minimum shaft
length required:

3.5 in. (76 mm) when the shaft attachment is made on
the side of the actuator opposite the duct;
0.65 in. (16 mm) when the hub is mounted on the shaft
before the actuator is installed.

Most actuators are shipped with specifically sized hubs.
Some models contain an assembly with assorted hub inserts.
Mounting bracket is included with most models.

Dimensions:

See Fig. 1

Device Weight:

4.0 lb (1.82 kg)

Noise Rating:

Driving Only: 45 dBA maximum at 0.9m

Spring Rotation:

Clockwise (cw); counterclockwise (ccw) by reverse mounting

Position Indicator:

Mounted on actuator hub

Actuator Design Life:

Full Stroke Cycles: 60,000

Repositions:

1,500,000 minimum

Spring Return Cycles:

7,500

Approvals:

UL94-5V Enclosure: Plenum rating
UL873: Line voltage auxiliary switches
UL Listed: File Number E4436, Guide Number XAPX
CSA Listed: File Number LR95329-17

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, or specify:

1. Model number.
2. Application.

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 Home and Building Control Sales Office (check white pages of your phone directory).
2. Home and Building Control Customer Relations

Honeywell, 1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386

In Canada—Honeywell Limited/Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9. International Sales and Service
offices in all principal cities of the world.