Phase Monitoring Relays:

177 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.
Show More
View
Buyer
Engineer
Manufacturer
Supply Voltage
Product Range
Contact Configuration
Contact Current
Relay Mounting
Contact Voltage VAC
Relay Terminals
Switching Voltage Max
Supply Voltage Max
Contact Voltage VDC
Phase Type
Power Consumption
Phase Monitoring Range Min
Phase Monitoring Range Max
Approvals & Standards
Packaging
No Filter(s) Applied
0 Filter(s) Selected
ComparePrice forQuantity
89C4381

RoHS

Each
1+
$233.900
5+
$222.500
10+
$215.660
25+
$208.820
Min: 1 / Mult: 1
-
DPA01 Series
SPDT
8A
DIN Rail
-
Screw
250VAC
600VAC
-
3 Phase
15VA
323VAC
690VAC
-
05M4097

RoHS

Each
1+
$239.470
5+
$228.770
10+
$222.350
25+
$215.930
Min: 1 / Mult: 1
-
DPA53 Series
SPDT
5A
DIN Rail
-
Screw
250VAC
480VAC
-
3 Phase
13VA
320VAC
480VAC
-
86K0442

RoHS

Each
1+
$227.630
Min: 1 / Mult: 1
-
MWU Series
SPDT
5A
DIN Rail
-
Screw
250VAC
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
16C3184

RoHS

Each
1+
$331.700
5+
$315.780
10+
$306.230
25+
$296.690
Min: 1 / Mult: 1
-
DPC01 Series
SPDT
8A
DIN Rail
-
Screw
250VAC
480VAC
-
3 Phase
13VA
323VAC
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
67C0900

RoHS

Each
1+
$149.120
5+
$142.310
10+
$138.230
25+
$134.140
Min: 1 / Mult: 1
-
DPA51 Series
SPDT
5A
DIN Rail
-
Screw
250VAC
480VAC
-
3 Phase
13VA
177VAC
550VAC
-
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
-
89C4384

RoHS

Each
1+
$502.670
5+
$478.210
10+
$463.530
25+
$448.850
Min: 1 / Mult: 1
-
DPC01 Series
SPDT
8A
DIN Rail
-
Screw
250VAC
690VAC
-
3 Phase
21VA
510VAC
793VAC
-
05M4095

RoHS

Each
1+
$180.540
5+
$171.780
10+
$166.530
25+
$161.270
Min: 1 / Mult: 1
-
DPA01 Series
SPDT
8A
DIN Rail
-
Screw
250VAC
480VAC
-
3 Phase
10VA
177VAC
550VAC
-
03M5287
Each
1+
$210.170
Min: 1 / Mult: 1
-
SLU-100 Series
SPDT
10A
-
-
Plug In
240VAC
550VAC
-
3 Phase
90VA
200VAC
500VAC
-
16C3176

RoHS

Each
1+
$172.200
5+
$163.930
10+
$158.960
25+
$154.000
Min: 1 / Mult: 1
-
DPA01 Series
DPDT
8A
DIN Rail
-
Screw
250VAC
480VAC
-
3 Phase
10VA
323VAC
550VAC
-
68W6981

RoHS

Each
1+
$209.660
10+
$199.790
25+
$189.920
50+
$180.050
100+
$170.180
Min: 1 / Mult: 1
-
70 Series
SPDT
10A
DIN Rail, Panel
-
Screw
250VAC
415VAC
-
3 Phase
11VA
380VAC
415VAC
-
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+
$176.200
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
72Y1070

RoHS

Each
1+
$147.520
5+
$142.130
10+
$139.420
25+
$126.980
50+
$119.350
More Pricing...
Min: 1 / Mult: 1
-
K8DS
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
66Y0750

RoHS

Each
1+
$255.880
10+
$243.090
25+
$230.290
50+
$217.500
100+
$204.700
Min: 1 / Mult: 1
-
-
DPDT
4A
DIN Rail
-
Screw
24V
500VAC
-
3 Phase
-
200VAC
500VAC
CSA, IEC, UL
06AC2593

RoHS

Date/Lot Code

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

RoHS

Each
1+
$204.100
5+
$194.510
10+
$188.750
25+
$183.000
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
-
250A Series
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
70Y5750

RoHS

Each
1+
$168.290
5+
$162.150
10+
$159.060
25+
$144.870
50+
$136.170
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+
$340.850
5+
$340.850
10+
$340.840
25+
$340.840
Min: 1 / Mult: 1
-
455 Series
SPDT
10A
Panel Mount
-
Screw
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
CSA, UL
1-25 of 177 items
of 8 page(s)

Popular Suppliers

EATON
SCHNEIDER ELECTRIC
HONEYWELL
WAGO
IDEC
OMRON
BELDEN
ABB