We supply a wide range of relays for voltage and monitoring in 1-phase, 3-phase, AC and DC networks. Simple, 1-module designs perform basic functions, and 3-module designs for more accurate measurements in multiple ranges with galvanic separation of power supply from the measured circuit. 

-25% Quick info
HRN-55N

HRN-55N

The relay protects the sequence and phase failure
More than 200 pcs
£ 19.80 excl. VAT £ 26.40
-25% Quick info
HRN-57N

HRN-57N

The relay protects overvoltage/undervoltage, phase failure
More than 10 pcs
£ 23.40 excl. VAT £ 31.20
-25% Quick info
HRN-54N

HRN-54N

The relay protects overvoltage / undervoltage, sequence and phase failure
More than 10 pcs
£ 29.10 excl. VAT £ 38.80

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