HV-50 :
Safety Device Designed for 6.6 KV to 33 KV AC 50 Hz overhead lines in HV Switch yards, Distribution lines, Power Plants and similar installations. Sensing distance approx. 3 mtrs. For 33 KV and 1 mtr. for 11 KV circuit.

HV-132:
Safety Device Designed for 11 KV to 132 KV AC 50 Hz overhead lines in HV Switch yards, Transmissions lines, Power Plants and similar installations.

HV-220 :
Safety Device Designed for 33 KV to 220 KV AC 50 Hz overhead lines in HV Switch yards, Transmissions lines, Power Plants and similar installations.

HV-440 :
Safety Device Designed for 66 KV to 440 KV AC 50 Hz overhead lines in EHV Switch yards, Transmissions lines, Power Plants and similar installations.