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The performances stated in this sheet can be modifi ed without any prior notice.
page 1DBL592en | 1st Issue | 03/2022
MDS.20R(M)
Damper Actuator with Emergency Electronic Return - 20 Nm - On/O
MODEL CONTROL
SIGNAL
POWER
SUPPLY
MICRO
AUX
TORQUE
[Nm] IP
MDS420R
On/O
24 V AC/DC
±10%
No
20 54
MDS420RM 2 x
SPDT
MDS220R 230 V AC
±10%
No
MDS220RM 2 x
SPDT
APPLICATION AND USE
MDS.20R(M) rotary actuators with electronic return function are designed for the direct operation of dampers up to 4 m2.
All models are equipped with an electronic return function in case of power supply loss and are used in applications where it is ne-
cessary to ensure a xed position of the damper in emergency and/or power-o conditions.
TECHNICAL CHARACTERISTICS
DESCRIPTION MDS420R(M) MDS220R(M)
Torque 20 Nm
Max. damper size 4 m2
Shaft Ø 10 to 20 mm / □ 11 to 14 mm
Min. shaft length 45 mm
Power supply 24 V AC/DC ±10% 230 V AC ±10%
Frequency 50 ... 60 Hz
Control signal On - O
Operating power consumption 7,2 W
End position power consumption 1,2 W
Power consumption for wire sizing 10 VA
Auxiliary switch rating 3 (1,5) A 250 V AC
Electrical connection Cable 1000 mm (supplied)
Max. connection length 12 m
Max. number of actuators in parallel 5
Runnting time 90 ... 125 sec
Runnting time in emergency return 70 sec
Protection class III II
Angle of rotation 0° ... 90° (95° mechanical)
Weight 1,2 kg
Life cycle actuator 60000 rotation
Motor sound level < 45 dB (A)
IP protection IP 54
Operating temperature -20° ... +50°C / IEC 721-3-3
