Manual
M436A/M836A,B DAMPER MOTORS
60-2119—4
3
Ambient Temperature Rating:
32° to 125°F (0° to 52°C).
Finish:
Gray.
Dimensions:
See Fig. 1.
Approvals:
Underwriters Laboratories Inc. Listed (M436A, M836A):
File No. E4436, Guide No. XAPX.
Auxiliary Switch Ratings (In Amperes): See Table 2.
Pilot Duty: 40 VA at 120 or 240 Vac.
Table 2. Auxiliary switch ratings (in amperes).
Weight:
4 lb, 10 oz (2.1 kg).
Optional Specifications:
M436 with crank arm.
M436A Damper Motor, 50 Hz for international applications.
Models for 220 or 240 Vac, with 50 second opening
stroke, 25 second closing stroke. Includes ground and
cover screws and 7640JL Bag Assembly.
M836A Damper Motor, 50 Hz for international applications.
Model is for 24 Vac, with 50 second opening stroke and
25 second closing stroke. Includes ground and cover
screws and 7640JL Bag Assembly.
Accessories:
16254AC Bag Assembly, includes 128499 Mounting
Bracket and screws (see Fig. 2 and 6).
7640JE Bag Assembly, includes drive bushings, adapter,
and coupling for direct drive (see Fig. 4 and 7).
7640JL Bag Assembly, includes clamp and crank arm
lever for crank arm drive (see Fig. 5 and 6).
7640JM Bag Assembly, includes 126809 Mounting Bracket
and screws (see Fig. 3, 4 and 7).
7640JN Bag Assembly, includes 128336 Mounting Bracket
and screws (see Fig. 2 and 6).
4074BRU Bag Assembly, includes extension adapter and
screws for mounting Q607 Auxiliary Switch to M436A
Damper Motor.
Q298B Linkage, includes damper crank arms, bushings,
1/4 in. (6.5 mm) and ball joint assemblies (see Fig. 6).
Power 120 Vac 240 Vac
Full Load 7.2 3.6
Locked Rotor 43.2 21.6
1
(25)
1-1/2
(38)
4-5/8 (118)
4-5/8 (118) 4-5/8 (118)
1-5/8 (42)
1-5/8
(42)
3-3/4
(96)
3-17/32 (90)
25/32
(20)
29/32 (23)
3-3/4 (96)
1-3/4
(45)
1-3/8
(35)
4-1/2
(115)
1-1/8
(29)
COMBINATION
KNOCKOUT FOR
1/2 INCH AND
3/4 INCH CONDUIT
KNOCKOUT FOR 1/2 INCH CONDUIT
M9950
OPEN CLOSE
Auxiliary Switch Action:
Spdt, normally open (R-B) contacts close during the power
stroke and open during the return stroke. Can be adjusted to
operate at any point between 5 and 70 degrees of motor
stroke.
Angular Stroke:
75 degrees.
Fig. 1. M436 and M836 Damper Motors dimensions in in. (mm).