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MAINS DISTRIBUTION PROTECTION –
CLASS 1 SURGE ARRESTER
an all-mode Class 1 surge arrester for the protection of the incoming supply and main switchboards of large structures in high lightning exposure areas
The WSP-HSA/50/100/230RCF is an all-mode Class 1 surge arrester to BS EN 61643-11.
Designed for the protection of the incoming supply and main switchboards of large structures in high lightning exposure areas, the arrester is an ideal solution for installation at the boundary of LPZ0a/LPZ1 to help fulfill the requirements of BS EN 62305.
The arrester features high surge current, all mode protection, thermal and overcurrent protection and a resettable surge counter, with visual, audible and remote indication of the arresters status.
Additional information
| Nominal Operating Voltage | 240 rms |
|---|---|
| Maximum Continuous Operating Voltage (Uc) | 275 rms |
| Operating Frequency | 50-60Hz |
| Temporary Overvoltage L/N | L/E (Ut) | 335 V/5 sec |
| Protection Modes | Phase-Neutral, Phase-Earth, Neutral-Earth, Phase-Phase |
| Voltage Protection Level at Iimp (Up) | <1300V L-N, L-E, N-E <2600V L-L |
| Lightning Impulse Current (Iimp) | 100kA |
| Max. Surge Current (8/20μs) L-N | L-E | N-E (Imax) | 40kA/Mode or Phase |
Brand
A. N. Wallis
