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SDN All Mode Surge Diverters
Novaris SDN Surge Diverters are the ideal choice for all mode protection in major distribution switchboards. Being all mode the SDN is particularly suitable for switcboards in non MEN installations.
SDN1-50-275 : Surge diverter, A-N, A-E, N-E 50kA
SDN1-100-275 : Surge diverter, A-N, A-E, N-E 100kA
SDN3-50-275 : Surge diverter, 3PH-N, N-E 50kA
SDN3-100-275 : Surge diverter, 3PH-N, N-E 100kA
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Standards Compliance
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| IEC 61643-1 class I |
| AS/NZS 1768 category C |
| IEEE C62.41 category C |
| BS 6651 category C |
| CP 33 category C |
| IEC 1000-4-5 |
| UL1449 third edition |
| A-tick |
| SDN1-50-275 |
SDN1-100-275 |
SDN3-50-275 SDN3-100-275
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| Electrical Specifications |
| Connection Type |
Shunt |
| Modes of protection |
All mode |
| Phases |
1 3
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| Nominal voltage |
U0 |
230V / 50Hz (110V / 60Hz by request only) |
| Maximum continuous voltage |
UC |
275V / 50Hz (130V / 60Hz by request only) |
| Maximum discharge current (8/20μs) |
I max |
50 kA 100kA 50kA 100kA |
| Voltage protection level @ 3kA (8/20μs) |
U p |
<800V |
| Response time |
tA |
<5ns |
| Earth leakage current |
<500μA |
| Display |
LED, status |
| Alarms |
Segment / thermal failure, clean SPDT contact |
| Alarm isolation to active circuitry |
4kV |
| Recommended backup fuse (HRC) / circuit breaker |
32 A 63A 32A 63A |
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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 |
Panel mount / TS35 DIN |
| Enclosure / Colour |
Metal / Blue |
| Weight |
1 kg 1.2kg 1.2kg 1.6kg |
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| Dimensions |
| Width |
60mm 80mm 80mm 120mm |
| Height |
200mm |
| Depth |
70mm |
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