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SFD1-20 13-275-A |
SFD1-20 50-275-A |
SFD3-20 13-275-A |
SFD3-20 50-275-A |
| Electrical Specifications |
| Connection type |
Series |
| Modes of protection |
All mode (L-N, L-PE, N-PE) |
| Nominal voltage |
U0 |
230V / 50Hz |
| Maximum continuous voltage |
Uc |
275V / 50Hz |
| Phases |
1 |
3 |
| Maximum discharge current (8/20μs) |
Imax |
13kA |
50kA |
13kA |
50kA |
| Maximum load curent |
IL |
20A |
| Protection stages |
Metal oxide varistor / LC filter / metal oxide varistor |
| Voltage protection level @ 3kA (8/20μs) |
U p |
<700V |
| Response time |
tA |
Instantaneous |
| Earth leakage current |
<500μA |
| Maximum voltage drop (% of U0) |
ΔU |
<1% |
| Displays (optional) |
LED power and status |
| Alarms (optional) |
Overcurrent / thermal, SPDT contact |
| Alarm isolation to active circuitry |
4kV |
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| Mechanical Specifications |
| Operating temperature / humidity |
-40 to +40ºC / 0 to 90% non-condensing |
| Terminal capacity - power |
16mm2 |
| Terminal capacity - alarm |
2.5mm2 |
| Terminal screw torque - power |
1.0Nm |
| Terminal screw torque - alarm |
0.5Nm |
| Environmental |
IP 20 |
| Mounting |
TS35 DIN rail |
| Weight |
1.05kg |
1.55kg |
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| Dimensions |
| Width* (can vary with options) |
118mm |
180mm |
| Height* (can vary with options) |
95mm |
| Depth |
78mm |
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| Options |
| LED indication and external alarm |
Standard |
| LED indication only |
L |
| Polycarbonate enclosure |
P |
| Voltage variation |
Uc |
50V / 130V |
130V |
50V / 130V |
130V |