Phase Monitoring Relays:

179 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+
$180.000
Total:$180.00
Min: 1 / Mult: 1
SLU-100 Series
-
SPDT
10A
-
Plug In
-
240VAC
550VAC
-
3 Phase
90VA
200VAC
500VAC
-
16C3184

RoHS

Each
1+
$259.020
5+
$247.570
10+
$240.700
25+
$233.830
Total:$259.02
Min: 1 / Mult: 1
DPC01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
323VAC
550VAC
-
86K0442

RoHS

Each
1+
$168.560
Total:$168.56
Min: 1 / Mult: 1
MWU Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
05M4097

RoHS

Each
1+
$174.190
5+
$166.490
10+
$161.870
25+
$157.250
Total:$174.19
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+
$185.500
5+
$177.300
10+
$172.380
25+
$167.460
Total:$185.50
Min: 1 / Mult: 1
DPA01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
600VAC
-
3 Phase
15VA
323VAC
690VAC
-
29M7937

RoHS

Date/Lot Code

Each
1+
$245.380
5+
$239.250
10+
$233.120
25+
$220.850
50+
$208.580
More Pricing...
Total:$245.38
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+
$110.850
5+
$105.950
10+
$103.010
25+
$100.070
Total:$110.85
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+
$186.780
5+
$182.110
10+
$177.450
25+
$168.110
50+
$158.770
More Pricing...
Total:$186.78
Min: 1 / Mult: 1
PMP Series
-
SPDT
10A
Socket
Quick Connect
-
277VAC
480VAC
-
3 Phase
40VA
190VAC
500VAC
-
16C3176

RoHS

Each
1+
$134.600
5+
$128.650
10+
$125.080
25+
$121.510
Total:$134.60
Min: 1 / Mult: 1
DPA01 Series
-
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
10VA
323VAC
550VAC
-
05M4095

RoHS

Each
1+
$142.520
5+
$136.220
10+
$132.440
25+
$128.660
Total:$142.52
Min: 1 / Mult: 1
DPA01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
10VA
177VAC
550VAC
-
89C4384

RoHS

Each
1+
$398.150
5+
$380.550
10+
$369.990
25+
$359.430
Total:$398.15
Min: 1 / Mult: 1
DPC01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
690VAC
-
3 Phase
21VA
510VAC
793VAC
-
68W6981

RoHS

Each
1+
$157.080
10+
$149.920
25+
$142.760
50+
$135.600
100+
$128.440
Total:$157.08
Min: 1 / Mult: 1
70 Series
-
SPDT
10A
DIN Rail, Panel
Screw
-
250VAC
415VAC
-
3 Phase
11VA
380VAC
415VAC
-
72Y1070

RoHS

Each
1+
$99.700
5+
$95.540
10+
$93.440
25+
$83.850
50+
$77.960
More Pricing...
Total:$99.70
Min: 1 / Mult: 1
K8DS Series
-
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
-
29X6960

RoHS

Date/Lot Code

Each
1+
$310.190
5+
$291.350
10+
$282.650
25+
$273.960
50+
$260.910
Total:$310.19
Min: 1 / Mult: 1
K8AK Series
-
SPDT
-
DIN Rail
Screw
-
-
240VAC
-
-
-
-
-
-
66Y0750

RoHS

Each
1+
$189.600
10+
$180.130
25+
$170.640
50+
$161.160
100+
$151.680
Total:$189.60
Min: 1 / Mult: 1
CM Series
-
DPDT
4A
DIN Rail
Screw
-
24V
500VAC
-
3 Phase
-
200VAC
500VAC
CSA, IEC, UL
38Y7644

RoHS

Date/Lot Code

Each
1+
$104.650
5+
$100.100
10+
$97.830
25+
$88.270
50+
$81.900
More Pricing...
Total:$104.65
Min: 1 / Mult: 1
K8AK Series
-
DPDT-NC
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
4.1VA
200VAC
480VAC
-
06X0740
Each
1+
$126.790
Total:$126.79
Min: 1 / Mult: 1
SLA Series
-
SPDT
10A
-
Plug In
-
240VAC
-
-
3 Phase
345VA
190VAC
270V
-
47X2115

RoHS

Each
1+
$130.070
Total:$130.07
Min: 1 / Mult: 1
MWS Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
183VAC
528VAC
-
70Y5750

RoHS

Each
1+
$113.740
5+
$106.610
10+
$100.250
25+
$93.470
50+
$88.940
More Pricing...
Total:$113.74
Min: 1 / Mult: 1
K8AK Series
-
DPDT-NC
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
-
200VAC
480VAC
-
72Y1059

RoHS

Each
1+
$212.150
5+
$198.350
10+
$192.460
25+
$186.160
50+
$177.900
Total:$212.15
Min: 1 / Mult: 1
K8AK Series
-
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
-
34AC8661

RoHS

Date/Lot Code

Each
1+
$179.830
5+
$164.610
10+
$149.410
25+
$139.790
50+
$133.450
Total:$179.83
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+
$236.890
5+
$223.900
10+
$210.910
25+
$201.380
Total:$236.89
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+
$185.280
5+
$169.620
10+
$153.970
25+
$144.090
50+
$137.570
Total:$185.28
Min: 1 / Mult: 1
201A-AU Series
-
SPDT
10A
Socket
Quick Connect
-
240VAC
480VAC
-
3 Phase
5W
190VAC
480VAC
UL
45AC6247

RoHS

Each
1+
$156.880
5+
$149.980
10+
$145.840
25+
$141.700
Total:$156.88
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+
$284.600
5+
$261.010
10+
$237.430
25+
$222.770
Total:$284.60
Min: 1 / Mult: 1
-
-
DPDT
10A
Panel Mount
Screw
-
240VAC
190VAC
-
3 Phase
5W
190VAC
480VAC
CSA, UL
1-25 of 179 items
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