Phase Monitoring Relays:

156 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+
$164.000
5+
$155.800
10+
$150.880
25+
$145.960
Min: 1 / Mult: 1
DPA01 Series
SPDT
8A
DIN Rail
Screw
-
250VAC
600VAC
-
3 Phase
15VA
323VAC
690VAC
-
05M4097

RoHS

Each
1+
$156.590
5+
$148.890
10+
$144.270
25+
$139.650
Min: 1 / Mult: 1
DPA53 Series
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
320VAC
480VAC
-
86K0442

RoHS

Each
1+
$145.510
Min: 1 / Mult: 1
MWU Series
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
16C3184

RoHS

Each
1+
$229.000
5+
$217.550
10+
$210.680
25+
$203.810
Min: 1 / Mult: 1
DPC01 Series
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
323VAC
550VAC
-
03M5287
Each
1+
$151.200
Min: 1 / Mult: 1
SLU-100 Series
SPDT
10A
-
Plug In
-
240VAC
550VAC
-
3 Phase
90VA
200VAC
500VAC
-
67C0900

RoHS

Each
1+
$98.690
5+
$93.790
10+
$90.850
25+
$87.910
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+
$238.230
5+
$232.280
10+
$226.330
25+
$214.420
50+
$202.500
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+
$181.340
5+
$176.810
10+
$172.280
25+
$163.210
50+
$154.150
More Pricing...
Min: 1 / Mult: 1
PMP Series
SPDT
10A
Socket
Quick Connect
-
277VAC
480VAC
-
3 Phase
40VA
190VAC
500VAC
-
16C3176

RoHS

Each
1+
$119.000
5+
$113.050
10+
$109.480
25+
$105.910
Min: 1 / Mult: 1
DPA01 Series
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
10VA
323VAC
550VAC
-
05M4095

RoHS

Each
1+
$126.000
5+
$119.700
10+
$115.920
25+
$112.140
Min: 1 / Mult: 1
DPA01 Series
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
10VA
177VAC
550VAC
-
89C4384

RoHS

Each
1+
$352.000
5+
$334.400
10+
$323.840
25+
$313.280
Min: 1 / Mult: 1
DPC01 Series
SPDT
8A
DIN Rail
Screw
-
250VAC
690VAC
-
3 Phase
21VA
510VAC
793VAC
-
68W6981

RoHS

Each
1+
$141.770
10+
$135.120
25+
$128.470
50+
$121.820
100+
$115.180
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250VAC
415VAC
-
3 Phase
11VA
380VAC
415VAC
-
06X0740
Each
1+
$120.750
Min: 1 / Mult: 1
SLA Series
SPDT
10A
-
Plug In
-
240VAC
-
-
3 Phase
345VA
190VAC
270V
-
47X2115

RoHS

Each
1+
$114.160
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+
$186.060
5+
$173.850
10+
$161.640
25+
$152.690
50+
$146.200
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+
$202.850
5+
$191.730
10+
$180.610
25+
$172.440
Min: 1 / Mult: 1
PLMU Series
SPDT
10A
Socket
Quick Connect
-
240VAC
480VAC
-
3 Phase
5W
200VAC
480VAC
CSA, UL
72Y1070

RoHS

Each
1+
$106.130
5+
$102.250
10+
$100.300
25+
$91.350
50+
$85.860
More Pricing...
Min: 1 / Mult: 1
K8DS
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
-
34AC8662

RoHS

Date/Lot Code

Each
1+
$154.960
5+
$143.040
10+
$143.040
25+
$143.040
50+
$143.040
Min: 1 / Mult: 1
201A-AU Series
SPDT
10A
-
Quick Connect
-
240VAC
480VAC
-
3 Phase
5W
190VAC
480VAC
UL
66Y0750

RoHS

Each
1+
$184.080
10+
$174.880
25+
$165.670
50+
$156.470
100+
$147.260
Min: 1 / Mult: 1
-
DPDT
4A
DIN Rail
Screw
-
24V
500VAC
-
3 Phase
-
200VAC
500VAC
CSA, IEC, UL
06AC2593

RoHS

Date/Lot Code

Each
1+
$173.430
Min: 1 / Mult: 1
Zelio Series
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
380VAC
480VAC
-
45AC6247

RoHS

Each
1+
$139.400
5+
$132.500
10+
$128.360
25+
$124.220
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+
$274.570
5+
$256.510
10+
$238.450
25+
$225.220
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+
$301.290
5+
$281.470
10+
$261.640
25+
$247.120
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+
$185.690
5+
$173.510
10+
$161.320
25+
$152.390
50+
$145.910
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail
Screw
-
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
CE, IEC, UL
70Y5750

RoHS

Each
1+
$121.070
5+
$116.650
10+
$114.430
25+
$104.220
50+
$97.960
More Pricing...
Min: 1 / Mult: 1
K8AK
DPDT-NC
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
-
200VAC
480VAC
-
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