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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89C4381

RoHS

Date/Lot Code

Each
1+
$185.500
5+
$177.300
10+
$172.380
25+
$167.460
DPA01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
600VAC
-
3 Phase
15VA
323VAC
690VAC
-
05M4097

RoHS

Each
1+
$174.190
5+
$166.490
10+
$161.870
25+
$157.250
DPA53 Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
320VAC
480VAC
-
86K0442

RoHS

Each
1+
$189.870
MWU Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
29M9956

RoHS

Date/Lot Code

Each
1+
$186.780
5+
$182.110
10+
$173.260
25+
$165.010
50+
$155.490
More Pricing...
PMP Series
-
SPDT
10A
Socket
Quick Connect
-
277VAC
480VAC
-
3 Phase
40VA
190VAC
500VAC
-
16C3184

RoHS

Each
1+
$259.020
5+
$247.570
10+
$240.700
25+
$233.830
DPC01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
323VAC
550VAC
-
03M5287
Each
1+
$180.000
SLU-100 Series
-
SPDT
10A
-
Plug In
-
240VAC
550VAC
-
3 Phase
90VA
200VAC
500VAC
-
67C0900

RoHS

Each
1+
$110.850
5+
$105.950
10+
$103.010
25+
$100.070
DPA51 Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
177VAC
550VAC
-
29M7937

RoHS

Date/Lot Code

Each
1+
$245.380
5+
$239.250
10+
$233.120
25+
$220.850
50+
$208.580
More Pricing...
PMD Series
-
DPDT
10A
DIN Rail
Cage Clamp
-
277VAC
500VAC
-
3 Phase
40VA
190VAC
500VAC
CE, CUL
16C3176

RoHS

Each
1+
$134.600
5+
$128.650
10+
$125.080
25+
$121.510
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
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
DPC01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
690VAC
-
3 Phase
21VA
510VAC
793VAC
-
42M3067

RoHS

Each
1+
$107.130
10+
$102.190
25+
$97.250
50+
$92.310
100+
$87.380
More Pricing...
70 Series
-
SPDT
6A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1W
208VAC
480VAC
-
68W6981

RoHS

Each
1+
$193.100
10+
$184.180
25+
$175.260
50+
$166.340
100+
$157.420
70 Series
-
SPDT
10A
DIN Rail, Panel
Screw
-
250VAC
415VAC
-
3 Phase
11VA
380VAC
415VAC
-
29X6960

RoHS

Date/Lot Code

Each
1+
$311.640
5+
$292.800
10+
$284.100
25+
$275.410
50+
$262.360
K8AK Series
-
SPDT
-
DIN Rail
Screw
-
-
240VAC
-
-
-
-
-
-
66Y0750

RoHS

Each
1+
$205.170
5+
$200.040
10+
$194.910
25+
$184.650
50+
$174.390
CM Series
-
DPDT
4A
DIN Rail
Screw
-
24V
500VAC
-
3 Phase
-
200VAC
500VAC
CSA, IEC, UL
38Y7644

RoHS

Date/Lot Code

Each
1+
$105.110
5+
$100.560
10+
$98.280
25+
$88.730
50+
$82.360
More Pricing...
K8AK Series
-
DPDT-NC
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
4.1VA
200VAC
480VAC
-
06X0740
Each
1+
$126.790
SLA Series
-
SPDT
10A
-
Plug In
-
240VAC
-
-
3 Phase
345VA
190VAC
270V
-
47X2115

RoHS

Each
1+
$146.430
MWS Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
183VAC
528VAC
-
70Y5750

RoHS

Each
1+
$115.450
5+
$108.210
10+
$101.760
25+
$94.880
50+
$90.290
More Pricing...
K8AK Series
-
DPDT-NC
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
-
200VAC
480VAC
-
72Y1059

RoHS

Each
1+
$215.340
5+
$201.330
10+
$195.360
25+
$188.960
50+
$180.570
K8AK Series
-
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
-
34AC8661

RoHS

Date/Lot Code

Each
1+
$162.870
5+
$157.800
10+
$152.730
201A Series
-
SPDT
10A
Socket
Quick Connect
-
240VAC
480VAC
-
3 Phase
5W
190VAC
480VAC
UL
34AC4485

RoHS

Date/Lot Code

Each
1+
$266.980
5+
$252.340
10+
$237.700
25+
$226.950
PLMU Series
-
SPDT
10A
Socket
Quick Connect
-
240VAC
480VAC
-
3 Phase
5W
200VAC
480VAC
CSA, UL
34AC8662

RoHS

Date/Lot Code

Each
1+
$210.540
5+
$192.840
10+
$175.140
25+
$164.010
201A-AU Series
-
SPDT
10A
Socket
Quick Connect
-
240VAC
480VAC
-
3 Phase
5W
190VAC
480VAC
UL
45AC6247

RoHS

Each
1+
$157.670
5+
$150.770
10+
$146.630
25+
$142.490
DPA52 Series
-
SPDT
5A
DIN Rail
-
-
480VAC
208VAC
-
3 Phase
2VA
480VAC
208VAC
CE, CSA, UL
34AC8741

RoHS

Date/Lot Code

Each
1+
$289.750
5+
$274.050
10+
$258.350
25+
$250.910
-
-
DPDT
10A
Panel Mount
Screw
-
240VAC
190VAC
-
3 Phase
5W
190VAC
480VAC
CSA, UL
1-25 of 176 items
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