NewTrend · Type 2 AC surge protective device
Product overview
NewTrend SP10-C40N is a Type 2 AC surge protective device for sub-distribution installations. Its original catalogue specifies 20kA nominal and 40kA maximum discharge current, Uc options of 275V, 320V and 385V AC, and four pole arrangements. The main photograph illustrates the 1P+N-PE arrangement. Refer to the selected arrangement and original circuit diagrams for the installation.
Technical selection summary
| Model | SP10-C40N |
|---|---|
| SPD classification | Type 2 (T2) |
| Maximum continuous operating voltage Uc | 275 / 320 / 385V AC |
| Rated voltage Un | 220V AC |
| Nominal discharge current In (T2) | 20kA |
| Maximum discharge current Imax | 40kA |
| Voltage protection level Up (L-N) | 1.5kV at Uc275/320V; 1.8kV at Uc385V |
| Voltage protection level Up (N-PE) | 1.2kV, for the N-PE protection path |
| Pole arrangements | 2P; 1P+N-PE; 4P; 3P+N-PE |
| Response time | 25ns |
| Follow current interrupt rating (N-PE) | 100A |
| N-PE temporary overvoltage (TOV) | 1200V |
| Admissible short-circuit current Isccr | 25,000A |
| Recommended SPD disconnector | T-SSD40 |
| Internal disconnector | Thermal disconnector |
| Remote signalling | Included; 14-11 NO, 11-12 NC; 220V / 0.5A |
| Terminal conductor range | 4-16mm2 |
| Recommended conductor cross section | At least 10mm2 |
| Terminal tightening torque | Upper:1.2Nm; lower:2.0Nm |
| Conductor stripping length | Upper:12mm; lower:15mm |
| Mounting | 35mm DIN rail (EN60715) |
| Dimensions (W x H x D) | 2P / 1P+N-PE:18 x 83 x 67mm; 4P / 3P+N-PE:36 x 83 x 67mm |
| Protection / housing | IP20; PBT/PA; UL94 V0 |
| Operating temperature | -40 to +70 degC |
| Operating humidity | 5-95% |
| Operating atmospheric pressure | 70-106kPa |
Typical applications
- AC surge protection in sub-distribution cabinets
- Protection of equipment against induced lightning and power-grid surges
View or download SP10-C40N original catalogue, dimensions and circuit diagrams (PDF)
Product reference images and drawings
Original dimensions, schematic and installation wiring
Use the selected pole arrangement and the catalogue schematic; coordinate the protective device and conductor sizes with the installation. Installation and wiring must be performed by qualified electricians.
