Phase Monitoring Relays:

130 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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89C4384

RoHS

Each
1+
$376.640
5+
$357.810
10+
$346.510
25+
$335.210
Min: 1 / Mult: 1
DPC01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
690VAC
-
3 Phase
21VA
510VAC
793VAC
-
05M4095

RoHS

Each
1+
$134.820
5+
$128.080
10+
$124.040
25+
$119.990
Min: 1 / Mult: 1
DPA01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
10VA
177VAC
550VAC
-
03M5287
Each
1+
$176.610
Min: 1 / Mult: 1
SLU-100 Series
-
SPDT
10A
-
Plug In
-
240VAC
550VAC
-
3 Phase
90VA
200VAC
500VAC
-
16C3184

RoHS

Each
1+
$245.030
5+
$232.780
10+
$225.430
25+
$218.080
Min: 1 / Mult: 1
DPC01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
323VAC
550VAC
-
16C3176

RoHS

Each
1+
$127.330
5+
$120.970
10+
$117.150
25+
$113.330
Min: 1 / Mult: 1
DPA01 Series
-
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
10VA
323VAC
550VAC
-
86K0442

RoHS

Each
1+
$152.790
Min: 1 / Mult: 1
MWU Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
29M9956

RoHS

Date/Lot Code

Each
1+
$194.040
5+
$189.190
10+
$184.340
25+
$174.640
50+
$164.940
More Pricing...
Min: 1 / Mult: 1
PMP Series
-
SPDT
10A
Socket
Quick Connect
-
277VAC
480VAC
-
3 Phase
40VA
190VAC
500VAC
-
89C4381

RoHS

Each
1+
$175.480
5+
$166.710
10+
$161.450
25+
$156.180
Min: 1 / Mult: 1
DPA01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
600VAC
-
3 Phase
15VA
323VAC
690VAC
-
05M4097

RoHS

Each
1+
$164.780
5+
$156.550
10+
$151.600
25+
$146.660
Min: 1 / Mult: 1
DPA53 Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
320VAC
480VAC
-
29M7937

RoHS

Date/Lot Code

Each
1+
$254.910
5+
$248.540
10+
$242.180
25+
$229.430
50+
$216.680
More Pricing...
Min: 1 / Mult: 1
PMD Series
-
DPDT
10A
DIN Rail
Cage Clamp
-
277VAC
500VAC
-
3 Phase
40VA
190VAC
500VAC
CE, CUL
67C0900

RoHS

Each
1+
$105.600
5+
$100.360
10+
$97.210
25+
$94.070
Min: 1 / Mult: 1
DPA51 Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
177VAC
550VAC
-
06X0740
Each
1+
$139.550
Min: 1 / Mult: 1
SLA Series
-
SPDT
10A
-
Plug In
-
240VAC
-
-
3 Phase
345VA
190VAC
270V
-
68W6981

RoHS

Each
1+
$145.730
10+
$138.750
25+
$131.770
50+
$124.790
100+
$117.810
Min: 1 / Mult: 1
70 Series
-
SPDT
10A
DIN Rail, Panel
Screw
-
250VAC
415VAC
-
3 Phase
11VA
380VAC
415VAC
-
47X2115

RoHS

Each
1+
$119.870
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+
$195.370
5+
$182.550
10+
$169.730
25+
$160.330
50+
$153.510
Min: 1 / Mult: 1
201A Series
-
SPDT
10A
Socket
Quick Connect
-
240VAC
480VAC
-
3 Phase
5W
190VAC
480VAC
UL
34AC8900

RoHS

Date/Lot Code

Each
1+
$196.840
5+
$183.920
10+
$171.000
25+
$161.540
50+
$154.670
Min: 1 / Mult: 1
460 Series
-
SPDT
10A
DIN Rail
Screw
-
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
CE, IEC, 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
34AC8897

RoHS

Date/Lot Code

Each
1+
$346.690
5+
$323.870
10+
$301.060
25+
$284.350
Min: 1 / Mult: 1
455 Series
-
SPDT
10A
Panel Mount
Screw
-
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
CSA, UL
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
34AC8572

RoHS

Date/Lot Code

Each
1+
$288.300
5+
$269.340
10+
$250.380
25+
$236.490
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+
$322.380
5+
$301.180
10+
$279.960
25+
$264.420
Min: 1 / Mult: 1
250A Series
-
DPDT
10A
Panel Mount
Screw
-
240VAC
190VAC
-
3 Phase
5W
190VAC
480VAC
CSA, UL
34AC8662

RoHS

Date/Lot Code

Each
1+
$205.420
5+
$191.940
10+
$178.460
25+
$168.570
50+
$161.410
Min: 1 / Mult: 1
201A-AU Series
-
SPDT
10A
-
Quick Connect
-
240VAC
480VAC
-
3 Phase
5W
190VAC
480VAC
UL
45AC6247

RoHS

Each
1+
$146.370
5+
$139.130
10+
$134.780
25+
$130.440
Min: 1 / Mult: 1
DPA52 Series
-
SPDT
5A
DIN Rail
-
-
480VAC
208VAC
-
3 Phase
2VA
480VAC
208VAC
CE, CSA, UL
23AH3161

RoHS

Each
1+
$298.460
5+
$288.270
10+
$274.220
25+
$260.140
50+
$223.740
Min: 1 / Mult: 1
EMR6
-
DPDT
4A
DIN Rail
Screw
-
250VAC
500VAC
-
3 Phase
3VA
300VAC
500VAC
-
34AC8913

RoHS

Date/Lot Code

Each
1+
$201.120
5+
$187.920
10+
$174.710
25+
$165.050
50+
$158.030
Min: 1 / Mult: 1
460 Series
-
SPDT
10A
DIN Rail, Panel
Screw
-
240VAC
600VAC
-
3 Phase
6W
475VAC
600VAC
UL
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