Phase Monitoring Relays:

26 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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Relay Mounting
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1 Filter(s) Selected
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05M4097

RoHS

Each
1+
$167.560
5+
$159.320
10+
$154.370
25+
$149.430
Min: 1 / Mult: 1
DPA53 Series
SPDT
5A
DIN Rail
Screw
250VAC
480VAC
3 Phase
13VA
320VAC
480VAC
-
34AC8661

RoHS

Date/Lot Code

Each
1+
$195.370
5+
$182.550
10+
$169.730
25+
$160.330
50+
$153.510
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+
$215.030
5+
$203.240
10+
$191.450
25+
$182.790
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+
$205.420
5+
$191.940
10+
$178.460
25+
$168.570
50+
$161.410
Min: 1 / Mult: 1
201A-AU Series
SPDT
10A
-
Quick Connect
240VAC
480VAC
3 Phase
5W
190VAC
480VAC
UL
34AC8572

RoHS

Date/Lot Code

Each
1+
$288.300
5+
$269.340
10+
$250.380
25+
$236.490
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+
$322.380
5+
$301.180
10+
$279.960
25+
$264.420
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+
$196.840
5+
$183.920
10+
$171.000
25+
$161.540
50+
$154.670
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail
Screw
240VAC
480VAC
3 Phase
6W
190VAC
480VAC
CE, IEC, UL
34AC8897

RoHS

Date/Lot Code

Each
1+
$346.690
5+
$323.870
10+
$301.060
25+
$284.350
Min: 1 / Mult: 1
455 Series
SPDT
10A
Panel Mount
Screw
240VAC
480VAC
3 Phase
6W
190VAC
480VAC
CSA, UL
55AJ2777

RoHS

Each
1+
$217.030
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
250VAC
576VAC
3 Phase
15VA
380VAC
480VAC
-
26AK3439

RoHS

Each
1+
$174.010
5+
$165.570
10+
$159.330
25+
$153.040
50+
$141.300
Min: 1 / Mult: 1
-
DPDT-CO
8A
DIN Rail
Screw
250VAC
576VAC
3 Phase
4VA
208VAC
480VAC
-
38Y7644

RoHS

Date/Lot Code

Each
1+
$102.300
5+
$100.030
10+
$97.750
25+
$93.190
50+
$88.630
More Pricing...
Min: 1 / Mult: 1
K8AK-PH Series
DPDT-NC
5A
DIN Rail
Screw
250VAC
480VAC
3 Phase
4.1VA
200VAC
480VAC
-
85AK6218

RoHS

Each
1+
$257.250
Min: 1 / Mult: 1
PPB01 Series
SPDT
8A
Socket
Plug In
250VAC
-
3 Phase
2.5VA
380VAC
480VAC
-
69AK8658

RoHS

Each
1+
$86.320
100+
$79.120
250+
$79.120
500+
$79.120
1000+
$73.040
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
250VAC
480VAC
3 Phase
16VA
208VAC
480VAC
-
69AK8660

RoHS

Each
1+
$62.150
100+
$56.970
250+
$56.970
500+
$56.970
1000+
$52.590
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
250VAC
480VAC
3 Phase
3VA
208VAC
480VAC
-
69AK8659

RoHS

Each
1+
$35.870
100+
$35.870
250+
$35.870
500+
$35.870
1000+
$35.870
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
250VAC
480VAC
3 Phase
3.5VA
208VAC
480VAC
-
85AK4169

RoHS

Each
1+
$209.070
5+
$182.880
10+
$179.950
Min: 1 / Mult: 1
DPB51 Series
SPDT
5A
DIN Rail, Panel
Screw
250VAC
-
3 Phase
13VA
208VAC
480VAC
-
93C1876

RoHS

Each
5+
$237.870
10+
$230.350
25+
$222.840
Min: 5 / Mult: 5
DWB01 Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
13VA
-
480VAC
-
34AC3146

RoHS

Each
1+
$291.850
5+
$272.660
10+
$253.460
25+
$239.390
Min: 1 / Mult: 1
HLMU Series
DPDT
10A
Panel Mount
Screw
240VAC
480VAC
3 Phase
-
200VAC
480VAC
UL
34AC8664

RoHS

Each
1+
$199.090
5+
$186.020
10+
$172.970
25+
$163.380
50+
$156.450
Min: 1 / Mult: 1
201A Series
SPDT
10A
Socket
Quick Connect
240VAC
480VAC
3 Phase
5W
190VAC
480VAC
UL
34AC8907

RoHS

Each
1+
$244.750
5+
$228.670
10+
$212.590
25+
$200.810
Min: 1 / Mult: 1
460 Series
SPST-NO, SPST-NC
8A
DIN Rail, Panel
Screw
240VAC
480VAC
3 Phase
6W
190VAC
480VAC
UL
34AC8670

RoHS

Each
1+
$163.770
5+
$153.030
10+
$142.300
25+
$134.430
50+
$128.710
Min: 1 / Mult: 1
202 Series
SPDT
10A
Socket
Quick Connect / Screw
240VAC
480VAC
3 Phase
5W
190VAC
480VAC
IEC, UL
34AC8866

RoHS

Each
1+
$407.100
5+
$380.290
10+
$353.470
25+
$333.830
Min: 1 / Mult: 1
350 Series
SPDT
15A
Panel Mount
Screw
240VAC
480VAC
3 Phase
5W
380VAC
480VAC
CSA, UL
34AC8867

RoHS

Each
1+
$407.100
5+
$380.290
10+
$353.470
25+
$333.830
Min: 1 / Mult: 1
350 Series
SPDT
15A
Panel Mount
Screw
240VAC
480VAC
3 Phase
5W
380VAC
480VAC
CSA, UL
34AC8574

RoHS

Each
1+
$302.030
5+
$282.170
10+
$262.300
25+
$247.750
Min: 1 / Mult: 1
102A Series
SPDT
10A
Panel Mount
Screw
240VAC
480VAC
3 Phase
5W
190VAC
480VAC
CSA, UL
34AC8902

RoHS

Each
1+
$180.140
5+
$168.330
10+
$156.510
25+
$147.860
50+
$141.570
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail, Panel
Screw
240VAC
480VAC
3 Phase
6W
190VAC
480VAC
UL
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