Single-phase surge protective devices (SPDs) provide NEC-required protection against transient voltage surges from lightning strikes, current
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The Littelfuse Varistor Surge Protection (LVSP) Fuses are intended for the protection of TVSS products. The LVSP Series has been designed to survive the 8x20µs lightning surges described in various Standards(UL1449, IEC61000-4-5 & IEEE C62.41) without opening. This allows the TVSS to perform the necessary suppression. The LVSP Series is not rated for continuous current and the ratings are to specific 8x20µs surge capability. The LVSP Series can be used to facilitate TVSS module compliance to UL1449 in permanently connected applications (abnormal overvoltage, unlimited current conditions)
- Very current limiting under AC short-circuit conditions
- Available in multiple mounting configurations - cartridge, bolt-in, PC board mount
- Provides short circuit protection in systems that include TVS diodes, varistors, and other overvoltage protection devices
LVSP Parts
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| 30 | 11950 | 200 kA@600 V ac | Slo-Blo/Time Lag (T)/Time Delay | UR / CUR | |||
| 40 | 9975 | 200 kA@600 V ac | Slo-Blo/Time Lag (T)/Time Delay | UR / CUR | |||
| 60 | 39240 | 200 kA@600 V ac | Slo-Blo/Time Lag (T)/Time Delay | UR / CUR | |||
| 80 | 75000 | 200 kA@600 V ac | Slo-Blo/Time Lag (T)/Time Delay | UR / CUR | |||
| 100 | 160747 | 200 kA@600 V ac | Slo-Blo/Time Lag (T)/Time Delay | UR / CUR |
LVSP Applications
Single-Phase SPDs
Three-Phase SPDs
Three-phase surge protective devices (SPDs) provide NEC-required protection against transient voltage surges from lightning strikes, current
