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SFM1-40 50-275 |
SFM1-40 100-275 |
SFM3-40 50-275 |
SFM3-40 100-275 |
| Electrical Specifications |
| Connection type |
Series |
| Modes of protection |
All mode (L-N, L-PE, N-PE) |
| Nominal Voltage |
U0 |
230V / 50Hz (110V / 60Hz by request only) |
| Maximum continuous voltage |
Uc |
275V / 50Hz (130V / 60Hz by request only) |
| Phases |
1 |
3 |
| Discharge current 8/20μs |
Imax |
50kA |
100kA |
50kA |
100kA |
| Maximum load current |
IL |
40A |
| Protection stages |
Metal oxide varistor / LC filter / metal oxide varistor |
| Voltage protection @ 3kA(8/20μs) |
Up |
<360V |
| Response time |
tA |
Instantaneous |
| Earth leakage current |
<1μA |
| Maximum voltage drop (% of U0) |
ΔU |
<1% |
| 3dB Frequency @ 50Ω |
750Hz |
| Displays |
LED status |
% active |
LED status |
% active |
| Alarms |
Segment failure and overcurrent / thermal overload, SPDT |
| Alarm isolation to active circuitry |
4kV |
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| Mechanical Specifications |
| Operating temperature / humidity |
-40 to +40ºC / 0 to 90% non-condensing |
| Connection type |
UIK35 Terminals |
| Terminal capacity - power |
35mm2 |
| Terminal capacity - alarm |
2.5mm2 |
| Terminal screw torque - power |
1.0Nm |
| Terminal screw torque - alarm |
0.5Nm |
| Environmental |
IP 55 in enclosure |
| Mounting |
Wall mount |
| Weight (in enclosure) |
9kg |
10kg |
18kg |
22kg |
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| Dimensions (in enclosure) |
| Width |
310mm |
426mm |
| Height |
390mm |
506mm |
| Depth |
130mm |
200mm |
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| Maximum Discharge Current Variations |
| Discharge Current variations |
Imax |
150kA / 200kA / 250kA |
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