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10Nm
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20Nm
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30Nm
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Mechanical Fail-Safe Damper Actuator
|
NFA..
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SFA..
|
EFA..
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Open/Close
AC 24...240V / DC 24...125V
|
NFA
|
SFA
|
|
-
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Auxiliary switch built-in 2 SPDT
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NFA-S2
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SFA-S2
|
-
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AC/DC 24V 50/60Hz
|
|
|
|
Auxiliary switch built-in 2 SPDT
|
-
|
-
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EF24A-S2
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AC 230V 50/60Hz
|
|
|
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Auxiliary switch built-in 2 SPDT
|
-
|
-
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EF230A-S2
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Modulating
Control signal DC (0)2...10V, feedback DC 2...10V
|
|
|
|
AC/DC 24V 50/60Hz
|
NF24A-SR
|
SF24A-SR
|
EF24A-SR
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Running time -Motor
-Spring return
|
Open/Close 75s; modulating 150s
20s @ –20 ...+50°C / max. 60s @ –30°C
|
Open/Close 60s; modulating 150s
20s @ –20 ...+50°C / max. 60s @ –30°C
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Shaft diameter /
|
10...25.4mm / 14...25.4mm
|
12...26.7mm / 12...25.2mm
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Sound power level -Motor
-Spring return
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Open/Close max. 45dB(A) Modulating max. 40dB(A) max. 62dB(A)
|
Open/Close max. 55dB(A) Modulating max. 45dB(A) max. 71dB(A)
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Electrical connection
|
Cable 1m
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Direction of rotation
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Selected by mounting L/R
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Angle of rotation
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Max. 95°
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Mechanical end stops
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Yes
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Position indicator
|
Yes
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Degree of protection
|
IP54
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EMC
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CE according to 2004/108/EC
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LVD*
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CE according to 2006/95/EC
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Ambient temperature
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-30...+50°C
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Non-operation temperature
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-40...+80°C
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Humidity
|
5...95% RH, non-condensing
|