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. 

-30% Quick info
HRN-33

HRN-33

The relay protects overvoltage/undervoltage in range AC 48 - 276V
More than 100 pcs
£ 21.70 excl. VAT £ 31
-25% Quick info
HRN-35

HRN-35

The relay protects overvoltage/undervoltage in the range AC 48 - 276V
More than 50 pcs
£ 24.30 excl. VAT £ 32.40
-30% Quick info
HRN-37

HRN-37

The relay protects overvoltage / undervoltage in the range AC 24 - 150V
More than 50 pcs
£ 21.70 excl. VAT £ 31
-25% TOP Quick info
HRN-34

HRN-34

The relay protects overvoltage/undervoltage in DC 6-30V range
More than 50 pcs
£ 25.20 excl. VAT £ 33.60
-30% Quick info
HRN-64

HRN-64

The relay protects overvoltage/undervoltage in DC 6-30V range
More than 10 pcs
£ 28.70 excl. VAT £ 41
-25% Quick info
HRN-41

HRN-41

The relay protects overvoltage / undervoltage of AC and DC in three ranges
More than 10 pcs
£ 52.20 excl. VAT £ 69.60
More variants
-25% Quick info
HRN-42

HRN-42

The relay protects overvoltage / undervoltage AC and DC in three ranges
More than 10 pcs
£ 52.20 excl. VAT £ 69.60
More variants
-25% Quick info
HRN-55

HRN-55

The relay protects the sequence and phase failure
More than 200 pcs
£ 20.70 excl. VAT £ 27.60
-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-57

HRN-57

The relay protects overvoltage/undervoltage, phase failure
More than 10 pcs
£ 24.30 excl. VAT £ 32.40
-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-54

HRN-54

The relay protects overvoltage / undervoltage, sequence and phase failure
More than 200 pcs
£ 22.80 excl. VAT £ 30.40
-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
-25% Quick info
HRN-43

HRN-43

The relay protects overvoltage / undervoltage, sequence, failure and phase asymmetry
More than 10 pcs
£ 44.10 excl. VAT £ 58.80
More variants
-25% Quick info
HRN-43N

HRN-43N

The relay protects overvoltage / undervoltage, sequence, failure and phase asymmetry
More than 100 pcs
£ 45 excl. VAT £ 60
More variants

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