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Picture of MD40A Electric Damper Actuator, Modulating, 2-10Vdc, Non-Spring Return, 24Vac/dc, 1m Cable, 40Nm, IP54
SKU:

8751039000

MD40A Electric Damper Actuator, Modulating, 2-10Vdc, Non-Spring Return, 24Vac/dc, 1m Cable, 40Nm, IP54

$791.89 INC GST
Available for Shipping : 19-Jan-2026
MD40A Electric Damper Actuator, Modulating, 2-10Vdc, Non-Spring Return, 24Vac/dc, 1m Cable, 40Nm, IP54
  • Motor overload protection for safe operation
  • For Spindle diameters from 12...26.7 mm
  • Aux Switch relay available as an optional accessory
  • Aux Switch relay avalable as an optional accessory
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Manufacturer: Schneider Electric
Delivery date: 19-Jan-2026
Catalog
Instruction sheet
Product Page Link
Product Data Sheet
The MD4A is a 2…1 V modulating damper actuators. It is designed for operating air control dampers in ventillation and air conditioning systems for building services installations. As an accessory, the modulating actuator have a fully adjustable auxiliary switch unit. Supply voltage: 24 Vac/Vdc +/- 2%. Modulating control signal: 2…1 Vdc. Torque: 4 Nm, IP 54 Protection class. Angle of rotation: Max. 95°, adjustable by mechanical stops. Connection cable 1 m, 4 x .75 mm² (AW 18).

Products specifications

Attribute name Attribute value
Main
Hold-in power consumption in VA 6.5-6.5 VA AC
Hold-in power consumption in W 2-2 W
Stroke running time 75 s
IP degree of protection IP54
Relative humidity 0-95 % RH, non-condensing
Ambient air temperature for storage -40-80 °C
[Us] rated supply voltage 24 V AC/DC
Electrical insulation class class III
Product destination dampers
Control type automatic reset
Product or component type actuator
Transformer rated power in VA 6.5 VA
Targeted region Australia., Asia Pacific., Europe
Power consumption in W 4.5 W
Actuator rotation 95 °
Analogue input range 2...10 V DC
Actuator rotary
Ambient air temperature for operation -30-50 °C
Tightening torque 40 N.m, 354 lb.in
Power loss return non-spring return
Actuator model MD40A-24
Control signal proportional/modulating
Lead length 1 m
Stroke auto calibration False
Actuator type electric
Actuator product series MD
Position indicator visual indicator with position ring
Rotational range adjustment 95° maximum (limited by an adjustable end stop)
Packing Units
Unit Type of Package 1 1
Number of Units in Package 1 1
Package 1 Height 28 cm
Package 1 Width 16.6 cm
Package 1 Length 8.8 cm
Package 1 Weight 1.8 kg

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