Phase Monitoring Relays:

34 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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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
-
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
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
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
-
34AC8897

RoHS

Date/Lot Code

Each
1+
$324.010
5+
$302.680
10+
$281.360
25+
$265.740
Min: 1 / Mult: 1
455 Series
SPDT
10A
Panel Mount
Screw
240VAC
480VAC
3 Phase
6W
190VAC
480VAC
CSA, UL
84X8729

RoHS

Date/Lot Code

Each
1+
$258.340
5+
$240.400
10+
$226.040
25+
$210.500
50+
$198.540
More Pricing...
Min: 1 / Mult: 1
K8AK-PM Series
SPDT
5A
DIN Rail
Screw
250VAC
480VAC
3 Phase
4.4VA
380VAC
480VAC
-
55AJ2777

RoHS

Each
1+
$209.480
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
250VAC
576VAC
3 Phase
15VA
380VAC
480VAC
-
26AK3439

RoHS

Each
1+
$172.620
5+
$164.690
10+
$158.840
25+
$152.930
50+
$141.920
Min: 1 / Mult: 1
-
DPDT-CO
8A
DIN Rail
Screw
250VAC
576VAC
3 Phase
4VA
208VAC
480VAC
-
38Y7644

RoHS

Date/Lot Code

Each
1+
$95.600
5+
$93.480
10+
$91.350
25+
$87.090
50+
$82.830
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+
$234.990
Min: 1 / Mult: 1
PPB01 Series
SPDT
8A
Socket
Plug In
250VAC
-
3 Phase
2.5VA
380VAC
480VAC
-
69AK8658

RoHS

Each
1+
$81.000
100+
$74.250
250+
$74.250
500+
$74.250
1000+
$68.540
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
250VAC
480VAC
3 Phase
16VA
208VAC
480VAC
-
69AK8660

RoHS

Each
1+
$58.320
100+
$53.460
250+
$53.460
500+
$53.460
1000+
$49.350
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
250VAC
480VAC
3 Phase
3VA
208VAC
480VAC
-
69AK8659

RoHS

Each
1+
$34.160
100+
$34.160
250+
$34.160
500+
$34.160
1000+
$34.160
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+
$196.210
5+
$171.620
10+
$168.880
Min: 1 / Mult: 1
DPB51 Series
SPDT
5A
DIN Rail, Panel
Screw
250VAC
-
3 Phase
13VA
208VAC
480VAC
-
06X0945
Each
1+
$199.500
Min: 1 / Mult: 1
SUA Series
SPDT
10A
-
Plug In
240VAC
-
3 Phase
360VA
430VAC
480VAC
-
34AC4490

RoHS

Each
1+
$178.420
5+
$170.810
10+
$153.400
25+
$147.960
50+
$145.790
More Pricing...
Min: 1 / Mult: 1
PLM Series
SPDT
10A
Socket
Quick Connect
240VAC
480VAC
3 Phase
3VA
400VAC
480VAC
CSA, UL
93C1876

RoHS

Each
5+
$222.300
10+
$215.280
25+
$208.260
Min: 5 / Mult: 5
DWB01 Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
13VA
-
480VAC
-
34AC8907

RoHS

Each
1+
$233.090
5+
$217.780
10+
$202.460
25+
$191.240
Min: 1 / Mult: 1
460 Series
SPST-NO, SPST-NC
8A
DIN Rail, Panel
Screw
240VAC
480VAC
3 Phase
6W
190VAC
480VAC
UL
34AC3146

RoHS

Each
1+
$277.950
5+
$259.670
10+
$241.390
25+
$227.990
Min: 1 / Mult: 1
HLMU Series
DPDT
10A
Panel Mount
Screw
240VAC
480VAC
3 Phase
-
200VAC
480VAC
UL
34AC8664

RoHS

Each
1+
$186.060
5+
$173.850
10+
$161.650
25+
$152.690
50+
$146.210
Min: 1 / Mult: 1
201A Series
SPDT
10A
Socket
Quick Connect
240VAC
480VAC
3 Phase
5W
190VAC
480VAC
UL
09P6658

RoHS

Each
1+
$181.190
5+
$171.180
10+
$163.170
25+
$155.160
50+
$140.140
Min: 1 / Mult: 1
Zelio Series
SPDT
5A
DIN Rail
Screw
250VAC
528VAC
3 Phase
22VA
208VAC
480VAC
-
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