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The performances stated in this sheet can be modifi ed without any prior notice.
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DBL592en | 1
st
Issue | 03/2022
MDS.20R(M)
Damper Actuator with Emergency Electronic Return - 20 Nm - On/Off
MODEL
CONTROL
SIGNAL
POWER
SUPPLY
MICRO
AUX
TORQUE
[Nm]
IP
MDS420R
On/Off
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 m
2
.
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 fixed position of the damper in emergency and/or power-off conditions.
TECHNICAL CHARACTERISTICS
DESCRIPTION
MDS420R(M)
MDS220R(M)
Torque
20 Nm
Max. damper size
4 m
2
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 - Off
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
