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© 2011 Schneider Electric. All rights reserved.
Valve and Actuator Catalogue
Schneider Electric
Telephone Europe: Malm
ö
, Sweden +46 40 38 68 50 Telephone Asia Pacific: Singapore +65 6776 3166
VACAT_July2011 July 2011
ao
Damper Actuators
Connection cable
Actuator
1 m, 3×0.75 mm
2
(AWG 18)
Auxiliary switches (-S)
1 m, 3×0.75 mm
2
(AWG 18)
Angle of rotation
max. 95° (adjustable by mechanical stops)
Running time
150 s
Direction of rotation
Reversible with switch 0 / 1
at switch position 0 resp 1
Angle of Rotation Max 95’ (adjustable by mechanical stops)
Position indication
Mechanical
Auxiliary switch
1 mA to 3 (0.5) A, 250 V AC
Switching point
(adjustable 0-100% )
MD5B, MD10B, MD20B, MD40B
The MD...B are on/off damper actuators designed
for operating air control dampers in ventilation and air conditioning systems
for building services installations.
The actuators are available in 24V AC/DC or 230V AC versions.
Versions available with integrated end point switch (-S types).
Auxiliary switch also available as an accessory.
Part number
Description
Torque
Nm
Power supply
Power Consumption
In operation
At rest
For wire sizing
875-1001-000
MD5B-230
5
230Vac -60%/+15% 1.5 W
0.4 W
3.5 VA
875-1003-000
MD5B-230-S
5
230Vac -60%/+15% 1.5 W
0.4 W
3.5 VA
875-1005-000
MD5B-24
5
24Vac/dc±20%
1 W
0.2 W
1.5 VA
875-1007-000
MD5B-24-S
5
24Vac/dc±20%
1 W
0.2 W
1.5 VA
875-1011-000
MD10B-230
10
230Vac -60%/+15% 2.5 W
0.6 W
5.5 VA
875-1015-000
MD10B-24
10
24Vac/dc±20%
1.5 W
0.2 W
3.5 VA
875-1021-000
MD20B-230
20
230Vac -60%/+15% 2.5 W
0.6 W
6 VA
875-1025-000
MD20B-24
20
24Vac/dc±20%
2 W
0.2 W
4 VA
875-1035-000
MD40B-24
40
24Vac/dc±20%
4 W
2 W
6 VA
Description
For air control dampers area Damper spindle
Spindle length mm
Spindle diameter mm
MD5
approx. 1 m²
min 37
6-20
MD10
approx. 2 m²
Clamp on top
min 40
8-26.7
Clamp on bottom*
min 20
8-20
MD20
approx. 4 m²
Clamp on top
min 42
10-20
Clamp on bottom
min 20
10-20
MD40
approx. 8 m²
Clamp on top
min 42
14-26
Clamp on bottom
min 20
14-26
* Optional accessory K-MD10 part number 914-1062-000 For damper actuator accessories see page 57.
Standards conformity
EMC, emission
EN61000-6-3: 07
EMC, immunity
EN 61000-6-2: 05
LVD Safety; MD5B-230(-S)
EN 60730-1/2-14
Protection class
MD..B-24(-S)
III Safety extra-low voltage
MD..B-230(-S)
II Totally insulated
Enclosure rating
IP 54
Ambient humidity
95% RH, non condensing
Ambient temperature
Operation
-30 to +50°C
Storage
-40 to +80°C
Maintenance
Maintenance free
