Phase Monitoring Relays:

176 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+
$341.900
5+
$325.990
10+
$316.440
25+
$306.890
Min: 1 / Mult: 1
DPC01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
323VAC
550VAC
-
86K0442

RoHS

Each
1+
$219.620
Min: 1 / Mult: 1
MWU Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
05M4097

RoHS

Each
1+
$229.920
5+
$219.220
10+
$212.800
25+
$206.380
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+
$244.850
5+
$233.450
10+
$226.620
25+
$219.780
Min: 1 / Mult: 1
DPA01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
600VAC
-
3 Phase
15VA
323VAC
690VAC
-
67C0900

RoHS

Each
1+
$146.320
5+
$139.500
10+
$135.420
25+
$131.330
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+
$177.670
5+
$169.400
10+
$164.440
25+
$159.480
Min: 1 / Mult: 1
DPA01 Series
-
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
10VA
323VAC
550VAC
-
05M4095

RoHS

Each
1+
$188.130
5+
$179.370
10+
$174.120
25+
$168.860
Min: 1 / Mult: 1
DPA01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
10VA
177VAC
550VAC
-
89C4384

RoHS

Each
1+
$525.540
5+
$501.070
10+
$486.390
25+
$471.710
Min: 1 / Mult: 1
DPC01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
690VAC
-
3 Phase
21VA
510VAC
793VAC
-
68W6981

RoHS

Each
1+
$208.030
10+
$198.160
25+
$188.290
50+
$178.420
100+
$168.560
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+
$409.010
5+
$382.820
10+
$370.730
25+
$358.640
50+
$340.510
Min: 1 / Mult: 1
K8AK Series
-
SPDT
-
DIN Rail
Screw
-
-
240VAC
-
-
-
-
-
-
38Y7644

RoHS

Date/Lot Code

Each
1+
$138.520
5+
$132.190
10+
$129.020
25+
$115.750
50+
$106.900
More Pricing...
Min: 1 / Mult: 1
K8AK 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
-
47X2115

RoHS

Each
1+
$170.670
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+
$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+
$123.490
5+
$118.100
10+
$115.390
25+
$102.950
50+
$95.320
More Pricing...
Min: 1 / Mult: 1
K8DS Series
-
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
06AC2593

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
Harmony RM22 Series
-
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
380VAC
480VAC
-
45AC6247

RoHS

Each
1+
$206.040
5+
$196.450
10+
$190.700
25+
$184.940
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
-
-
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 176 items
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