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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1 Filter(s) Selected
ComparePrice forQuantity
03M5287
Each
1+
$250.200
Total:$250.20
Min: 1 / Mult: 1
SLU-100 Series
-
SPDT
10A
-
Plug In
-
240VAC
550VAC
-
3 Phase
90VA
200VAC
500VAC
-
16C3184

RoHS

Each
1+
$360.040
5+
$344.130
10+
$334.580
25+
$325.030
Total:$360.04
Min: 1 / Mult: 1
DPC01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
323VAC
550VAC
-
86K0442

RoHS

Each
1+
$262.440
Total:$262.44
Min: 1 / Mult: 1
MWU Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
05M4097

RoHS

Each
1+
$242.130
5+
$231.430
10+
$225.000
25+
$218.580
Total:$242.13
Min: 1 / Mult: 1
DPA53 Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
320VAC
480VAC
-
89C4381

RoHS

Date/Lot Code

Each
1+
$257.850
5+
$246.450
10+
$239.610
25+
$232.770
Total:$257.85
Min: 1 / Mult: 1
DPA01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
600VAC
-
3 Phase
15VA
323VAC
690VAC
-
67C0900

RoHS

Each
1+
$154.090
5+
$147.270
10+
$143.190
25+
$139.100
Total:$154.09
Min: 1 / Mult: 1
DPA51 Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
177VAC
550VAC
-
29M9956

RoHS

Date/Lot Code

Each
1+
$259.630
5+
$253.140
10+
$246.660
25+
$233.680
50+
$220.690
More Pricing...
Total:$259.63
Min: 1 / Mult: 1
PMP Series
-
SPDT
10A
Socket
Quick Connect
-
277VAC
480VAC
-
3 Phase
40VA
190VAC
500VAC
-
05M4095

RoHS

Each
1+
$198.110
5+
$189.350
10+
$184.100
25+
$178.840
Total:$198.11
Min: 1 / Mult: 1
DPA01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
10VA
177VAC
550VAC
-
89C4384

RoHS

Each
1+
$553.430
5+
$528.970
10+
$514.290
25+
$499.610
Total:$553.43
Min: 1 / Mult: 1
DPC01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
690VAC
-
3 Phase
21VA
510VAC
793VAC
-
68W6981

RoHS

Each
1+
$242.310
10+
$231.170
25+
$220.040
50+
$208.910
100+
$197.770
Total:$242.31
Min: 1 / Mult: 1
70 Series
-
SPDT
10A
DIN Rail, Panel
Screw
-
250VAC
415VAC
-
3 Phase
11VA
380VAC
415VAC
-
72Y1070

RoHS

Each
1+
$140.670
5+
$134.810
10+
$131.860
25+
$118.320
50+
$110.010
More Pricing...
Total:$140.67
Min: 1 / Mult: 1
K8DS Series
-
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
-
29X6960

RoHS

Date/Lot Code

Each
1+
$431.170
5+
$404.980
10+
$392.890
25+
$380.810
50+
$362.670
Total:$431.17
Min: 1 / Mult: 1
K8AK Series
-
SPDT
-
DIN Rail
Screw
-
-
240VAC
-
-
-
-
-
-
06X0740
Each
1+
$176.240
Total:$176.24
Min: 1 / Mult: 1
SLA Series
-
SPDT
10A
-
Plug In
-
240VAC
-
-
3 Phase
345VA
190VAC
270V
-
47X2115

RoHS

Each
1+
$202.500
Total:$202.50
Min: 1 / Mult: 1
MWS Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
183VAC
528VAC
-
72Y1059

RoHS

Each
1+
$299.330
5+
$279.850
10+
$271.550
25+
$262.660
50+
$251.000
Total:$299.33
Min: 1 / Mult: 1
K8AK Series
-
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
-
34AC8661

RoHS

Date/Lot Code

Each
1+
$249.970
5+
$228.810
10+
$207.680
25+
$194.310
50+
$185.500
Total:$249.97
Min: 1 / Mult: 1
201A Series
-
SPDT
10A
Socket
Quick Connect
-
240VAC
480VAC
-
3 Phase
5W
190VAC
480VAC
UL
34AC4485

RoHS

Date/Lot Code

Each
1+
$329.280
5+
$311.230
10+
$293.170
25+
$279.920
Total:$329.28
Min: 1 / Mult: 1
PLMU Series
-
SPDT
10A
Socket
Quick Connect
-
240VAC
480VAC
-
3 Phase
5W
200VAC
480VAC
CSA, UL
34AC8662

RoHS

Date/Lot Code

Each
1+
$257.540
5+
$235.780
10+
$214.020
25+
$200.290
50+
$191.230
Total:$257.54
Min: 1 / Mult: 1
201A-AU Series
-
SPDT
10A
Socket
Quick Connect
-
240VAC
480VAC
-
3 Phase
5W
190VAC
480VAC
UL
45AC6247

RoHS

Each
1+
$218.070
5+
$208.480
10+
$202.720
25+
$196.970
Total:$218.07
Min: 1 / Mult: 1
DPA52 Series
-
SPDT
5A
DIN Rail
-
-
480VAC
208VAC
-
3 Phase
2VA
480VAC
208VAC
CE, CSA, UL
34AC8900

RoHS

Date/Lot Code

Each
1+
$249.500
5+
$228.390
10+
$207.280
25+
$193.940
50+
$185.140
Total:$249.50
Min: 1 / Mult: 1
460 Series
-
SPDT
10A
DIN Rail
Screw
-
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
CE, IEC, UL
34AC8897

RoHS

Date/Lot Code

Each
1+
$423.950
5+
$388.950
10+
$353.950
25+
$332.240
Total:$423.95
Min: 1 / Mult: 1
455 Series
-
SPDT
10A
Panel Mount
Screw
-
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
CSA, UL
84X8729

RoHS

Date/Lot Code

Each
1+
$382.370
5+
$357.430
10+
$337.480
25+
$315.870
50+
$299.240
More Pricing...
Total:$382.37
Min: 1 / Mult: 1
K8AK Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
4.4VA
380VAC
480VAC
-
34AC8913

RoHS

Date/Lot Code

Each
1+
$254.650
5+
$233.120
10+
$211.600
25+
$198.010
50+
$189.040
Total:$254.65
Min: 1 / Mult: 1
460 Series
-
SPDT
10A
DIN Rail, Panel
Screw
-
240VAC
600VAC
-
3 Phase
6W
475VAC
600VAC
UL
05M4096

RoHS

Each
1+
$232.690
5+
$222.400
10+
$216.230
25+
$210.060
Total:$232.69
Min: 1 / Mult: 1
DPA53 Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
7VA
160VAC
240VAC
-
41Y4153

RoHS

Each
1+
$442.860
5+
$413.960
10+
$390.870
25+
$365.840
50+
$346.580
More Pricing...
Total:$442.86
Min: 1 / Mult: 1
K8AK-AS Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
24V
-
1 Phase
-
-
-
-
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