Phase Monitoring Relays:

177 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

Each
1+
$233.760
5+
$222.360
10+
$215.520
25+
$208.680
Min: 1 / Mult: 1
-
DPA01 Series
SPDT
8A
DIN Rail
Screw
-
250VAC
-
600VAC
3 Phase
15VA
323VAC
690VAC
-
05M4097

RoHS

Each
1+
$235.280
5+
$224.570
10+
$218.150
25+
$211.730
Min: 1 / Mult: 1
-
DPA53 Series
SPDT
5A
DIN Rail
Screw
-
250VAC
-
480VAC
3 Phase
13VA
320VAC
480VAC
-
86K0442

RoHS

Each
1+
$202.260
Min: 1 / Mult: 1
-
MWU Series
SPDT
5A
DIN Rail
Screw
-
250VAC
-
480VAC
3 Phase
1.8VA
183VAC
528VAC
-
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+
$332.390
5+
$316.480
10+
$306.930
25+
$297.380
Min: 1 / Mult: 1
-
DPC01 Series
SPDT
8A
DIN Rail
Screw
-
250VAC
-
480VAC
3 Phase
13VA
323VAC
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
67C0900

RoHS

Each
1+
$148.830
5+
$142.020
10+
$137.930
25+
$133.850
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+
$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+
$172.680
5+
$164.410
10+
$159.450
25+
$154.490
Min: 1 / Mult: 1
-
DPA01 Series
DPDT
8A
DIN Rail
Screw
-
250VAC
-
480VAC
3 Phase
10VA
323VAC
550VAC
-
05M4095

RoHS

Each
1+
$178.660
5+
$169.900
10+
$164.650
25+
$159.400
Min: 1 / Mult: 1
-
DPA01 Series
SPDT
8A
DIN Rail
Screw
-
250VAC
-
480VAC
3 Phase
10VA
177VAC
550VAC
-
89C4384

RoHS

Date/Lot Code

Each
1+
$502.670
5+
$478.210
10+
$463.530
25+
$448.850
Min: 1 / Mult: 1
-
DPC01 Series
SPDT
8A
DIN Rail
Screw
-
250VAC
-
690VAC
3 Phase
21VA
510VAC
793VAC
-
68W6981

RoHS

Each
1+
$197.060
10+
$187.820
25+
$178.580
50+
$169.330
100+
$160.100
Min: 1 / Mult: 1
-
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250VAC
-
415VAC
3 Phase
11VA
380VAC
415VAC
-
29X6960

RoHS

Date/Lot Code

Each
1+
$402.970
5+
$376.780
10+
$364.680
25+
$352.590
50+
$334.470
Min: 1 / Mult: 1
-
K8AK Series
SPDT
-
DIN Rail
Screw
-
-
-
240VAC
-
-
-
-
-
38Y7644

RoHS

Date/Lot Code

Each
1+
$132.890
5+
$129.940
10+
$126.980
25+
$121.060
50+
$115.140
More Pricing...
Min: 1 / Mult: 1
-
K8AK-PH Series
DPDT-NC
5A
DIN Rail
Screw
-
250VAC
-
480VAC
3 Phase
4.1VA
200VAC
480VAC
-
06X0740
Each
1+
$167.850
Min: 1 / Mult: 1
-
SLA Series
SPDT
10A
-
Plug In
-
240VAC
-
-
3 Phase
345VA
190VAC
270V
-
34AC8661

RoHS

Date/Lot Code

Each
1+
$258.630
5+
$241.660
10+
$224.680
25+
$212.240
50+
$203.220
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+
$281.970
5+
$266.510
10+
$251.050
25+
$239.700
Min: 1 / Mult: 1
-
PLMU Series
SPDT
10A
Socket
Quick Connect
-
240VAC
-
480VAC
3 Phase
5W
200VAC
480VAC
CSA, UL
72Y1070

RoHS

Each
1+
$147.520
5+
$142.130
10+
$139.420
25+
$126.980
50+
$119.350
More Pricing...
Min: 1 / Mult: 1
-
K8DS
SPDT
5A
DIN Rail
Screw
-
-
-
480VAC
3 Phase
-
-
-
-
34AC8662

RoHS

Date/Lot Code

Each
1+
$215.390
5+
$198.820
10+
$198.820
25+
$198.820
50+
$198.820
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
-
-
DPDT
4A
DIN Rail
Screw
-
24V
-
500VAC
3 Phase
-
200VAC
500VAC
CSA, IEC, UL
06AC2593

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
-
Zelio Series
DPDT
8A
DIN Rail
Screw
-
250VAC
-
480VAC
3 Phase
15VA
380VAC
480VAC
-
45AC6247

RoHS

Each
1+
$203.150
5+
$193.560
10+
$187.810
25+
$182.050
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+
$381.660
5+
$356.550
10+
$331.450
25+
$313.060
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+
$418.800
5+
$391.250
10+
$363.680
25+
$343.500
Min: 1 / Mult: 1
-
250A Series
DPDT
10A
Panel Mount
Screw
-
240VAC
-
190VAC
3 Phase
5W
190VAC
480VAC
CSA, UL
34AC8900

RoHS

Date/Lot Code

Each
1+
$258.110
5+
$241.180
10+
$224.240
25+
$211.830
50+
$202.820
Min: 1 / Mult: 1
-
460 Series
SPDT
10A
DIN Rail
Screw
-
240VAC
-
480VAC
3 Phase
6W
190VAC
480VAC
CE, IEC, UL
1-25 of 177 items
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