Phase Monitoring Relays:

162 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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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
-
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
-
86K0442

RoHS

Each
1+
$263.920
Total:$263.92
Min: 1 / Mult: 1
MWU Series
-
SPDT
5A
DIN Rail
Screw
250VAC
480VAC
3 Phase
1.8VA
183VAC
528VAC
-
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
-
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
-
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
-
29M7937

RoHS

Date/Lot Code

Each
1+
$341.080
5+
$332.560
10+
$324.040
25+
$306.990
50+
$289.930
More Pricing...
Total:$341.08
Min: 1 / Mult: 1
PMD Series
-
DPDT
10A
DIN Rail
Cage Clamp
277VAC
500VAC
3 Phase
40VA
190VAC
500VAC
CE, CUL
16C3176

RoHS

Each
1+
$187.100
5+
$178.830
10+
$173.870
25+
$168.900
Total:$187.10
Min: 1 / Mult: 1
DPA01 Series
-
DPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
10VA
323VAC
550VAC
-
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+
$243.130
10+
$232.000
25+
$220.860
50+
$209.730
100+
$198.590
Total:$243.13
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
-
-
-
-
66Y0750

RoHS

Each
1+
$276.880
10+
$263.030
25+
$249.200
50+
$235.360
100+
$221.510
Total:$276.88
Min: 1 / Mult: 1
CM Series
-
DPDT
4A
DIN Rail
Screw
24V
500VAC
3 Phase
-
200VAC
500VAC
CSA, IEC, UL
06X0740
Each
1+
$176.240
Total:$176.24
Min: 1 / Mult: 1
SLA Series
-
SPDT
10A
-
Plug In
240VAC
-
3 Phase
345VA
190VAC
270V
-
70Y5750

RoHS

Each
1+
$160.480
5+
$150.420
10+
$141.450
25+
$131.890
50+
$125.510
More Pricing...
Total:$160.48
Min: 1 / Mult: 1
K8AK Series
-
DPDT-NC
5A
DIN Rail
Screw
250VAC
480VAC
3 Phase
-
200VAC
480VAC
-
47X2115

RoHS

Each
1+
$203.540
Total:$203.54
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+
$225.270
5+
$213.830
10+
$202.390
25+
$190.560
Total:$225.27
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+
$253.580
5+
$233.800
10+
$214.020
25+
$200.290
Total:$253.58
Min: 1 / Mult: 1
201A-AU Series
-
SPDT
10A
Socket
Quick Connect
240VAC
480VAC
3 Phase
5W
190VAC
480VAC
UL
45AC6247

RoHS

Each
1+
$219.170
5+
$209.570
10+
$203.820
25+
$198.070
Total:$219.17
Min: 1 / Mult: 1
DPA52 Series
-
SPDT
5A
DIN Rail
-
480VAC
208VAC
3 Phase
2VA
480VAC
208VAC
CE, CSA, UL
34AC8741

RoHS

Date/Lot Code

Each
1+
$381.910
5+
$355.970
10+
$330.030
25+
$309.650
Total:$381.91
Min: 1 / Mult: 1
-
-
DPDT
10A
Panel Mount
Screw
240VAC
190VAC
3 Phase
5W
190VAC
480VAC
CSA, UL
34AC8900

RoHS

Date/Lot Code

Each
1+
$225.250
5+
$211.550
10+
$197.860
25+
$190.890
Total:$225.25
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
66AH6834

RoHS

Each
1+
$274.070
Total:$274.07
Min: 1 / Mult: 1
Harmony RM22UA Series
-
DPDT
8A
DIN Rail
Screw
250VAC
240V
1 Phase
1.5W
15V
500VAC
-
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