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-43N

HRN-43N

The relay protects overvoltage / undervoltage, sequence, failure and phase asymmetry
On request
from £ 45.15 excl. VAT £ 64.50
More variants
-30% Quick info
HRN-41

HRN-41

The relay protects overvoltage / undervoltage of AC and DC in three ranges
On request
from £ 45.15 excl. VAT £ 64.50
More variants
-30% Quick info
HRN-43

HRN-43

The relay protects overvoltage / undervoltage, sequence, failure and phase asymmetry
On request
from £ 45.15 excl. VAT £ 64.50
More variants
-30% Quick info
HRN-56

HRN-56

The relay monitors undervoltage, sequence and phase failure
On request
from £ 24.50 excl. VAT £ 35
More variants

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