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
Product Range
Supply Voltage
Contact Configuration
Contact Current
Relay Mounting
Relay Terminals
Contact Voltage VAC
Switching Voltage Max
Supply Voltage Max
Contact Voltage VDC
Phase Type
Power Consumption
Phase Monitoring Range Min
Phase Monitoring Range Max
Approvals & Standards
Packaging
Filter(s) Applied
1 Filter(s) Selected
ComparePrice forQuantity
89C4381

RoHS

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
-
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
-
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
-
29X6960

RoHS

Date/Lot Code

Each
1+
$289.900
5+
$271.060
10+
$262.360
25+
$253.660
50+
$240.620
Min: 1 / Mult: 1
K8AK Series
-
SPDT
-
DIN Rail
Screw
-
-
240VAC
-
-
-
-
-
-
06X0740
Each
1+
$120.750
Min: 1 / Mult: 1
SLA Series
-
SPDT
10A
-
Plug In
-
240VAC
-
-
3 Phase
345VA
190VAC
270V
-
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
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
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
34AC8897

RoHS

Date/Lot Code

Each
1+
$245.210
5+
$245.210
10+
$245.210
25+
$245.210
Min: 1 / Mult: 1
455 Series
-
SPDT
10A
Panel Mount
Screw
-
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
CSA, UL
72Y1059

RoHS

Each
1+
$242.140
5+
$228.840
10+
$216.990
25+
$204.350
50+
$195.910
More Pricing...
Min: 1 / Mult: 1
K8AK
-
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
-
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
-
34AC8913

RoHS

Date/Lot Code

Each
1+
$174.300
5+
$159.570
10+
$144.840
25+
$135.530
50+
$129.400
Min: 1 / Mult: 1
460 Series
-
SPDT
10A
DIN Rail, Panel
Screw
-
240VAC
600VAC
-
3 Phase
6W
475VAC
600VAC
UL
05M4096

RoHS

Each
1+
$148.810
5+
$141.410
10+
$136.970
25+
$132.530
Min: 1 / Mult: 1
DPA53 Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
7VA
160VAC
240VAC
-
41Y4153

RoHS

Each
1+
$308.120
5+
$287.940
10+
$271.790
25+
$254.300
50+
$240.840
More Pricing...
Min: 1 / Mult: 1
K8AK Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
24V
-
1 Phase
-
-
-
-
1-25 of 106 items
of 5 page(s)

Popular Suppliers

EATON
SCHNEIDER ELECTRIC
HONEYWELL
WAGO
IDEC
OMRON
BELDEN
ABB