Phase Monitoring Relays:

12 Products Found

Newark offers phase monitoring relays that protect three-phase systems from phase loss, phase reversal and imbalance. These relays are designed to prevent motor damage and ensure stable operation.

Phase monitoring relays measure phase sequence, phase loss and voltage balance in three-phase systems. If any discrepancy is detected, the relay disconnects the load to prevent motor failure.

Key Features:

  • Phase loss and reversal protection for motors and equipment.
  • Adjustable voltage range for versatile use.
  • Compact design for easy installation in control panels.

Applications:

  • Industrial Motors – Ensure proper phase alignment and prevent damage.
  • HVAC Systems – Maintain stable operation in multi-phase compressors.
  • Renewable Energy – Monitor phase balance in solar and wind systems.
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Relay Mounting
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Phase Monitoring Range Min
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1 Filter(s) Selected
ComparePrice forQuantity
03M5287
Each
1+
$161.790
Min: 1 / Mult: 1
SLU-100 Series
SPDT
10A
-
Plug In
240VAC
550VAC
3 Phase
90VA
200VAC
500VAC
-
34AC4485

RoHS

Date/Lot Code

Each
1+
$215.030
5+
$203.240
10+
$191.450
25+
$182.790
Min: 1 / Mult: 1
PLMU Series
SPDT
10A
Socket
Quick Connect
240VAC
480VAC
3 Phase
5W
200VAC
480VAC
CSA, UL
66Y0750

RoHS

Each
1+
$196.970
10+
$187.130
25+
$177.270
50+
$167.430
100+
$157.570
Min: 1 / Mult: 1
-
DPDT
4A
DIN Rail
Screw
24V
500VAC
3 Phase
-
200VAC
500VAC
CSA, IEC, UL
70Y5750

RoHS

Each
1+
$127.130
5+
$122.490
10+
$120.160
25+
$109.440
50+
$102.860
More Pricing...
Min: 1 / Mult: 1
K8AK
DPDT-NC
5A
DIN Rail
Screw
250VAC
480VAC
3 Phase
-
200VAC
480VAC
-
55AJ2778

RoHS

Each
1+
$267.390
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
250VAC
240VAC
3 Phase
10VA
200VAC
240VAC
-
06X0781
Each
1+
$168.530
Min: 1 / Mult: 1
-
SPDT
10A
-
Plug In
240VAC
550VAC
3 Phase
90VA
200VAC
500VAC
-
82AK2917
Each
1+
$249.330
Min: 1 / Mult: 1
-
SPDT
10A
Socket
Plug In
240VAC
-
3 Phase
90VA
200VAC
430VAC
-
91Y2598

RoHS

Date/Lot Code

Each
1+
$47.190
5+
$47.190
10+
$47.190
25+
$47.190
50+
$47.190
Min: 1 / Mult: 1
K8DT-PM Series
SPDT
5A
DIN Rail
Screw
250VAC
240VAC
3 Phase
1.7VA
200VAC
240VAC
UL
34AC3146

RoHS

Each
1+
$291.850
5+
$272.660
10+
$253.460
25+
$239.390
Min: 1 / Mult: 1
HLMU Series
DPDT
10A
Panel Mount
Screw
240VAC
480VAC
3 Phase
-
200VAC
480VAC
UL
66AH6831

RoHS

Each
1+
$193.450
Min: 1 / Mult: 1
Zelio RM22TU
DPDT
8A
DIN Rail
Screw
250VAC
240VAC
3 Phase
10VA
200VAC
240VAC
-
34AH3017

RoHS

Each
1+
$201.490
10+
$191.980
25+
$182.450
50+
$172.940
100+
$163.420
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
Screwless
230VAC
500VAC
3 Phase
-
200VAC
500VAC
-
38Y7644

RoHS

Date/Lot Code

Each
1+
$102.300
5+
$100.030
10+
$97.750
25+
$93.190
50+
$88.630
More Pricing...
Min: 1 / Mult: 1
K8AK-PH Series
DPDT-NC
5A
DIN Rail
Screw
250VAC
480VAC
3 Phase
4.1VA
200VAC
480VAC
-
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