SP1 Series surge protective devices are used in AC distribution panels to limit transient overvoltage. The series covers onboard and rail-mounted versions, with SP1-B, SP1-C and SP1-D differing mainly by voltage protection level, recommended upstream protection and module width.
| Rated Working Voltage Un | 230V/400V |
|---|---|
| Leakage Current | <20µA at 75% Uc |
| Protection Class | IP20 for rail-mounted versions |
| Installation Method | 35mm standard rail for SP1-B, SP1-C and SP1-D; PCB mounting for onboard SP1 version |
| Nominal Discharge Current In | 30kA, 8/20µs |
|---|---|
| Impulse Current Iimp | 6kA, 10/350µs |
| Maximum Continuous Operating Voltage Uc | 275V, 385V |
| Test Classification | Type I, Type II |
| Dimensions | 42.5 × 18 × 33.5mm |
| Maximum Continuous Operating Voltage Uc | 320V, 385V, 420V, 440V |
|---|---|
| Voltage Protection Level Up | <2.0kV to <3.2kV by voltage and pole selection |
| Recommended Fuse or Circuit Breaker | 40A to 63A |
| Poles | 1P, 2P, 3P, 4P |
| Dimensions | 90 × 27 × 67mm to 90 × 108 × 67mm by pole count |
| Maximum Continuous Operating Voltage Uc | 275V, 320V, 385V, 420V, 440V |
|---|---|
| Voltage Protection Level Up | <1.5kV to <2.2kV by voltage selection |
| Recommended Fuse or Circuit Breaker | 40A to 63A |
| Poles | 1P, 2P, 3P, 4P |
| Dimensions | 90 × 18 × 67mm to 90 × 72 × 67mm by pole count |
| Maximum Continuous Operating Voltage Uc | 275V, 320V, 385V, 420V |
|---|---|
| Voltage Protection Level Up | <1.0kV to <1.5kV by voltage selection |
| Recommended Fuse or Circuit Breaker | 10A to 16A |
| Poles | 1P, 2P, 3P, 4P |
| Dimensions | 90 × 18 × 67mm to 90 × 72 × 67mm by pole count |
