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. 

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HRN-33

HRN-33

The relay protects overvoltage/undervoltage in range AC 48 - 276V
Not in stock
£ 29.50 excl. VAT
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HRN-31/2

HRN-31/2

Multifunction voltage monitoring relays AC/DC
More than 5 pcs
£ 35 excl. VAT
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PMR1-31

PMR1-31

Multifunction voltage monitoring relay
More than 10 pcs
£ 55.50 excl. VAT
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PMR1-36

PMR1-36

Multifunction voltage monitoring relay
Not in stock
£ 47.50 excl. VAT
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PMR1-36/2

PMR1-36/2

Multifunction voltage monitoring relay
Not in stock
£ 49.50 excl. VAT
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HRN-31

HRN-31

Multifunction voltage monitoring relays AC/DC
In stock
£ 32 excl. VAT
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HRN-35

HRN-35

The relay protects overvoltage/undervoltage in the range AC 48 - 276V
More than 50 pcs
£ 30.50 excl. VAT
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HRN-37

HRN-37

The relay protects overvoltage / undervoltage in the range AC 24 - 150V
More than 10 pcs
£ 29.50 excl. VAT
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HRN-34

HRN-34

The relay protects overvoltage/undervoltage in DC 6-30V range
More than 100 pcs
£ 33.50 excl. VAT
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HRN-64

HRN-64

The relay protects overvoltage/undervoltage in DC 6-30V range
More than 5 pcs
£ 33.50 excl. VAT
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HRN-41

HRN-41

The relay protects overvoltage / undervoltage of AC and DC in three ranges
More than 10 pcs
from £ 79.50 excl. VAT
More variants
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HRN-42

HRN-42

The relay protects overvoltage / undervoltage AC and DC in three ranges
More than 10 pcs
from £ 62 excl. VAT
More variants
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HRN-55

HRN-55

The relay protects the sequence and phase failure
More than 50 pcs
£ 28 excl. VAT
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HRN-55N

HRN-55N

The relay protects the sequence and phase failure
More than 10 pcs
£ 29.50 excl. VAT
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HRN-57

HRN-57

The relay protects overvoltage/undervoltage, phase failure
More than 10 pcs
£ 44.50 excl. VAT
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HRN-57N

HRN-57N

The relay protects overvoltage/undervoltage, phase failure
On request
£ 44.50 excl. VAT
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HRN-54

HRN-54

The relay protects overvoltage / undervoltage, sequence and phase failure
More than 100 pcs
£ 34.50 excl. VAT
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HRN-54N

HRN-54N

The relay protects overvoltage / undervoltage, sequence and phase failure
More than 10 pcs
£ 44.50 excl. VAT
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HRN-43

HRN-43

The relay protects overvoltage / undervoltage, sequence, failure and phase asymmetry
More than 10 pcs
from £ 60 excl. VAT
More variants
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HRN-43N

HRN-43N

The relay protects overvoltage / undervoltage, sequence, failure and phase asymmetry
On request
from £ 58 excl. VAT
More variants
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HRN-56

HRN-56

The relay monitors undervoltage, sequence and phase failure
More than 50 pcs
from £ 37.50 excl. VAT
More variants
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HRN-67

HRN-67

The relay protects overvoltage / undervoltage in the range AC 24 - 150 V
More than 5 pcs
£ 29.50 excl. VAT
Quick info
HRN-63

HRN-63

The relay protects overvoltage / undervoltage in the range AC 48 - 276V
More than 5 pcs
£ 29.50 excl. VAT
Quick info
MPS-1

MPS-1

Optical signaling of three-phase network
On request
£ 33.50 excl. VAT

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