Honeywell MS4103 manual M7274 M7284 M7285 M7286 M7294, 111

Modutrol IV Motor

M7274; M7284; M7285; M7286; M7294

The Series 72 Modutrol IV Motors spring return and non-spring return motors are used to control dampers and valves. The motors accept a current or voltage signal from an electronic controller to position a damper or valve at any point between open and closed.

SPECIFICATIONS
Application Type	Damper; Valve
Fail Safe Mode	Spring Return or
	Non-Spring Return
Control Signal	Modulating, 4-20 mA
Torque/Force	60 lb-in. (6.8 Nm) or
	75 lb-in. (8.5 Nm) or
	150 lb-in. (17 Nm) or
	300 lb-in. (34 Nm)
External Auxiliary Switches Available ..	Yes
Auxiliary Switch Ratings
AFL - 120 Vac	7.2A
Auxiliary Switch Ratings
ALR - 120 Vac	43.2A
Auxiliary Switch Ratings
AFL - 240 Vac	3.6A
Auxiliary Switch Ratings
ALR - 240 Vac	21.6A
Feedback	No
Electrical Connections	Screw terminals
Frequency	50 Hz, 60 Hz
Mounting	Foot-mounted
Motor Shafts	Dual-ended shaft
Shaft Shape	Square
Shaft Dimensions	0.375 in. (10 mm)
Deadweight Load on Shaft
(Either End)	200 lb.
Deadweight Load
(Combined on both Shafts)	300 lb.
Ambient Temperature Range	-40 F to 150 F (-40 C to 60 C)
Weight	7 lb
APPROVALS
Canadian Standards Association	Certified: File No. LR1620,
	Guide No. 400-E
Underwriters Laboratories, Inc	Listed File: E4436, Guide:
	XAPX
ACCESSORIES

Q7230A1005—Interface module, provides adjustable zero & span, voltage or current control

220736A—Internal Auxiliary Switch Assembly - 1 Switch 220736B—Internal Auxiliary Switch Assembly - 2 Switches

50017460-001—24/120/230 Vac Internal Transformers for Series 2 Motors

50017460-003—120 Vac Internal Transformers for Series 2 Motors 4074ERU—Weatherproofing kit. Protects motor from driving rain when

mounted in any position 221455A—Infinitely adjustable Motor Crank Arm

FEATURES
• Integral spring return returns motor to normal position when
power is interrupted.
• Integral junction box provides NEMA 3 weather protection if
motor is mounted in the upright position.
• Motor and circuitry operate from 24 Vac.
• Quick-connect terminals are standard--screw terminal
adapter is available.
• Adapter bracket for matching shaft height of older motors is
available.
• Motors have field adjustable stroke (90 to 160 degrees).
• Integral auxiliary switches are available factory mounted, or
can be field added.
• Spring return motors can operate valve linkages from power
end or auxiliary end shafts for normally closed or normally
open valve applications.
• All models have dual shafts (slotted and tapped on both
ends).
• All models have auxiliary switch cams.
• Fixed torque throughout the entire voltage range.
• Motors are designed for either normally open or normally				s
closed valves and dampers.
• Models available with adjustable start (zero) and span.
• Models available with 4 to 20 mA input signal.
• Models available with 2 to 10 Vdc input signal.
• Die-cast aluminum housing.
DIMENSIONS DIAGRAM
TOP VIEW			TO	submittal
			4-7/8
			(124)
			4-5/8
			(116)
			5-1/2
			(140)	Sheet
		13/16
1/4
		(20)
(7)		13/16
2		(20)
3	4-1/16 (103)		1-1/2 (37)
4-1/16 (103)
1-1/2 (37)
			JUNCTION
			BOX
			3/4
			(19)
			MOTOR

		6-7/16
AUXILARY	POWER	(164)	SPRING
		5-3/8	1	FOR 60
END	END	(137)
				FOR NO
	2-9/16		2	FOR 60
	(66)
			3	FOR NO
9/16 (15)
	1
ADAPTER	3/4
	(19)
BRACKET

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