Phase Monitoring Relays:

175 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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ComparePrice forQuantity
03M5287
Each
1+
$210.170
Min: 1 / Mult: 1
SLU-100 Series
-
SPDT
10A
-
Plug In
-
240VAC
550VAC
-
3 Phase
90VA
200VAC
500VAC
-
16C3184

RoHS

Each
1+
$345.530
5+
$329.610
10+
$320.070
25+
$310.520
Min: 1 / Mult: 1
DPC01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
323VAC
550VAC
-
86K0442

RoHS

Each
1+
$222.290
Min: 1 / Mult: 1
MWU Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
05M4097

RoHS

Each
1+
$232.370
5+
$221.670
10+
$215.250
25+
$208.820
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+
$247.450
5+
$236.050
10+
$229.220
25+
$222.380
Min: 1 / Mult: 1
DPA01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
600VAC
-
3 Phase
15VA
323VAC
690VAC
-
67C0900

RoHS

Each
1+
$147.870
5+
$141.060
10+
$136.970
25+
$132.890
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+
$331.140
5+
$322.870
10+
$314.600
25+
$298.050
50+
$281.480
More Pricing...
Min: 1 / Mult: 1
PMD Series
-
DPDT
10A
DIN Rail
Cage Clamp
-
277VAC
500VAC
-
3 Phase
40VA
190VAC
500VAC
CE, CUL
29M9956

RoHS

Date/Lot Code

Each
1+
$252.070
5+
$245.770
10+
$239.470
25+
$226.870
50+
$214.270
More Pricing...
Min: 1 / Mult: 1
PMP Series
-
SPDT
10A
Socket
Quick Connect
-
277VAC
480VAC
-
3 Phase
40VA
190VAC
500VAC
-
16C3176

RoHS

Each
1+
$179.550
5+
$171.280
10+
$166.320
25+
$161.360
Min: 1 / Mult: 1
DPA01 Series
-
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
10VA
323VAC
550VAC
-
05M4095

RoHS

Each
1+
$190.110
5+
$181.360
10+
$176.100
25+
$170.850
Min: 1 / Mult: 1
DPA01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
10VA
177VAC
550VAC
-
89C4384

RoHS

Each
1+
$531.120
5+
$506.660
10+
$491.980
25+
$477.300
Min: 1 / Mult: 1
DPC01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
690VAC
-
3 Phase
21VA
510VAC
793VAC
-
68W6981

RoHS

Each
1+
$211.100
10+
$201.150
25+
$191.200
50+
$181.250
100+
$171.290
Min: 1 / Mult: 1
70 Series
-
SPDT
10A
DIN Rail, Panel
Screw
-
250VAC
415VAC
-
3 Phase
11VA
380VAC
415VAC
-
06X0740
Each
1+
$167.850
Min: 1 / Mult: 1
SLA Series
-
SPDT
10A
-
Plug In
-
240VAC
-
-
3 Phase
345VA
190VAC
270V
-
47X2115

RoHS

Each
1+
$172.520
Min: 1 / Mult: 1
MWS Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
183VAC
528VAC
-
34AC8661

RoHS

Date/Lot Code

Each
1+
$237.830
5+
$217.720
10+
$197.610
25+
$184.890
50+
$176.490
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+
$313.300
5+
$296.120
10+
$278.940
25+
$266.330
Min: 1 / Mult: 1
PLMU Series
-
SPDT
10A
Socket
Quick Connect
-
240VAC
480VAC
-
3 Phase
5W
200VAC
480VAC
CSA, UL
72Y1070

RoHS

Each
1+
$133.680
5+
$127.900
10+
$124.980
25+
$111.650
50+
$103.460
More Pricing...
Min: 1 / Mult: 1
K8DS Series
-
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
-
34AC8662

RoHS

Date/Lot Code

Each
1+
$198.820
5+
$198.820
10+
$198.820
25+
$184.620
50+
$172.310
Min: 1 / Mult: 1
201A-AU Series
-
SPDT
10A
Socket
Quick Connect
-
240VAC
480VAC
-
3 Phase
5W
190VAC
480VAC
UL
66Y0750

RoHS

Each
1+
$255.880
10+
$243.090
25+
$230.290
50+
$217.500
100+
$204.700
Min: 1 / Mult: 1
CM Series
-
DPDT
4A
DIN Rail
Screw
-
24V
500VAC
-
3 Phase
-
200VAC
500VAC
CSA, IEC, UL
45AC6247

RoHS

Each
1+
$208.230
5+
$198.640
10+
$192.880
25+
$187.130
Min: 1 / Mult: 1
DPA52 Series
-
SPDT
5A
DIN Rail
-
-
480VAC
208VAC
-
3 Phase
2VA
480VAC
208VAC
CE, CSA, UL
34AC8572

RoHS

Date/Lot Code

Each
1+
$344.500
5+
$315.840
10+
$287.160
25+
$269.270
Min: 1 / Mult: 1
102A Series
-
SPDT
10A
Panel Mount
Screw
-
240VAC
480VAC
-
3 Phase
5W
190VAC
480VAC
CSA, UL
34AC8741

RoHS

Date/Lot Code

Each
1+
$376.390
5+
$345.200
10+
$314.010
25+
$294.610
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+
$237.370
5+
$217.300
10+
$197.220
25+
$184.530
50+
$176.140
Min: 1 / Mult: 1
460 Series
-
SPDT
10A
DIN Rail
Screw
-
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
CE, IEC, UL
70Y5750

RoHS

Each
1+
$152.500
5+
$142.590
10+
$133.750
25+
$124.330
50+
$118.030
More Pricing...
Min: 1 / Mult: 1
K8AK Series
-
DPDT-NC
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
-
200VAC
480VAC
-
34AC8897

RoHS

Date/Lot Code

Each
1+
$403.380
5+
$370.080
10+
$336.770
25+
$316.100
Min: 1 / Mult: 1
455 Series
-
SPDT
10A
Panel Mount
Screw
-
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
CSA, UL
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