Kit Mounted Motors
M436; M836 Damper Motors
Dimensions, Approximate: 4 1/2 in. high x 4 5/8 in. wide x 3 3/4 in. deep
(114 mm high x 118 mm wide x 95 mm deep)
Fail Safe Mode: Spring Return
Control Signal: Two position, SPST
Internal Auxiliary Switch: 1
External Auxiliary Switches Available: Ye s
Torque Rating, Breakaway: 30 lb-in.
Electrical Connections: Screw terminals
Frequency: 60 Hz
Spring Return Timing (Maximum (seconds)):
Mounting: Foot-mounted
25 sec
Spring return motors for two-position back draft, outdoor air
changeover, zone, or minimum position damper control.
• Operate outdoor air dampers for combustion or makeup air
in residential and light commercial applications
• Operate changeover dampers for heating and cooling systems
• Operate minimum position dampers for ventilation and similar applications
• Include internal SPDT switch for controlling auxiliary equipment,
additional motors, or to provide a burner interlock switch
• Spring returns motor to start position on power failure
• Drive shafts located on both sides of motor
• Adjustable auxiliary switch for cascading motors or
operating auxiliary equipment
• Thermal breaker for overload protection during lifting stroke
or if motor stalls
Motor Shafts: 2
Shaft Shape: Hexagonal
Angle of Rotation (Stroke Max (deg)): 75
Angle of Rotation (Stroke Min (deg)): 75
Operating Temperature Range: 32 F to 125 F (0 C to 52 C)
Operating Humidity Range (% RH): 5 to 95% RH
Weight: 4 lb 10 oz (2.1 kg)
Approvals
Underwriters Laboratories, Inc: Listed File: E4436, Guide: XAPX
Torque Rating
Product Number
* M436A1116/U 20 lb-in. 2.3 Nm 120 Vac 40 sec Open: 30
* M436A1124/U 20 lb-in. 2.3 Nm 240 Vac 40 sec Open: 30
M436A1140/U 20 lb-in. 2.3 Nm 220 Vac 55 sec Open: 30
* M836A1042/U 20 lb-in. 2.3 Nm 24 Vac 40 sec Open: 30
* M836B1033/U 15 lb-in. 1.7 Nm 24 Vac 40 sec Open: 25
* TRADELINE models • SUPER TRADELINE models
Voltag e
Run Time
(Maximum
(seconds))
Timing
Opening,
Nominal
(seconds)
sec
sec
sec, Close:
25 sec
sec
sec
Nominal Current
Draw (amps)
0.37 A 0.12 A 28 W 8.5 W — —
0.19 A 0.06 A 29 W 8.5 W Includes
0.21 A 0.062 A 30 W 8.5 W Ground and
1.85 A 0.6 A 28 W 8.5 W — —
1.34 A 0.73 A 20.3 W 11.2 W — —
M835 Two-Position Zone Damper Actuator
Two-Position Zone Motor, used with two-wire, 24-volt room
thermostat or other controller for two position damper control.
• Controls zone or changeover damper in heating and air conditioning
systems, and control gates on feeders
• SPST end switch makes within 20 sec of full open,
breaks within 20 sec after start of closing stroke
Nominal Power
(watts)
Includes Used With(lb-in.) (Nm) Opening Holding Opening Holding
Bracket
198545
cover screw
—
Series 40, 80
circuits
Dimensions, Approximate: 5 1/2 in. high x 4 1/4 in. wide x 2 5/8 in. deep
(140 mm high x 108 mm wide x 67 mm deep)
Fail Safe Mode: Spring Return
Control Signal: Two position, SPST
External Auxiliary Switches Available: No
Torque Rating, Breakaway: 30 lb-in.
Electrical Connections: Lead wire in conduit box
Frequency: 60 Hz
Torque Rating
Product Number
* M835A1051/U 4 lb-in. 0.45 Nm 24 Vac Open: 80 sec, Close: 160 sec 27 W 8.5 W
* TRADELINE models • SUPER TRADELINE models
438 customer.honeywell.com 70-6910
(lb-in.) (Nm) Opening Holding
Voltage Run Time (Maximum (seconds))
Mounting: Foot-mounted
Motor Shafts: 2
Shaft Shape: Round
Angle of Rotation (Stroke Max (deg)): 60
Angle of Rotation (Stroke Min (deg)): 75
Operating Temperature Range: Cooling: 140 F, Heating: 200 F
(Cooling: 60 C, Heating: 93 C)
Operating Humidity Range (% RH): 5 to 95% RH
Nominal Power (watts)