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