Phase Monitoring Relays:

176 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
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
No Filter(s) Applied
0 Filter(s) Selected
ComparePrice forQuantity
88F1055
Each
1+
$162.480
Min: 20 / Mult: 20
WRS Series
-
SPDT
10A
Socket
Quick Connect
-
250VAC
220VAC
-
3 Phase
3VA
-
-
-
27R0594

RoHS

Each
5+
$267.540
10+
$256.120
25+
$247.970
Min: 5 / Mult: 5
DPC71 Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
6VA
177VAC
275VAC
-
71K2995

RoHS

Each
1+
$303.010
10+
$288.500
50+
$284.870
100+
$275.790
Min: 3 / Mult: 3
DPC01 Series
-
2 x SPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
2.5VA
177VAC
276V
-
16C5107

RoHS

Each
1+
$587.970
Min: 3 / Mult: 1
PPC01 Series
-
SPDT
8A
Socket
Quick Connect
-
250VAC
240VAC
-
3 Phase
9VA
177VAC
275VAC
-
58T0810

RoHS

Each
1+
$305.920
Min: 1 / Mult: 1
H3US Series
-
DPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
2.9VA
-
-
-
08X7279

RoHS

Each
1+
$130.690
5+
$118.540
10+
$117.320
25+
$114.290
50+
$106.380
More Pricing...
Min: 1 / Mult: 1
70 Series
-
SPDT
6A
DIN Rail
Screw
-
480V
480VAC
-
3 Phase
1W
208VAC
480VAC
-
68W6979

RoHS

Each
1+
$162.790
10+
$155.090
25+
$147.370
50+
$139.670
100+
$131.970
Min: 1 / Mult: 1
70 Series
-
SPDT
10A
DIN Rail, Panel
Screw
-
250VAC
240VAC
-
1 Phase
2.6VA
220VAC
240VAC
-
34AC8902

RoHS

Each
1+
$234.340
5+
$218.980
10+
$203.610
25+
$192.340
50+
$184.170
Min: 1 / Mult: 1
460 Series
-
SPDT
10A
DIN Rail, Panel
Screw
-
240VAC
480VAC
-
3 Phase
6VA
190VAC
480VAC
UL
91Y2602

RoHS

Each
1+
$430.520
5+
$402.940
10+
$390.220
25+
$377.500
50+
$358.410
Min: 1 / Mult: 1
K8DT-PZ Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
1.7VA
200VAC
240VAC
UL
91Y2604

RoHS

Each
1+
$430.520
5+
$402.940
10+
$390.220
25+
$377.500
50+
$358.410
Min: 1 / Mult: 1
K8DT-PZ Series
-
SPDT
-
DIN Rail
Screw
-
-
480VAC
-
3 Phase
2.7VA
-
-
UL
94Y9605

RoHS

Each
Pricing is unavailable. Please contact customer services.
Harmony RM22UA Series
-
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase
1.5W
1V
100V
-
91Y2603

RoHS

Each
1+
$464.510
5+
$434.760
10+
$421.030
25+
$407.300
50+
$386.700
Min: 1 / Mult: 1
K8DT-PZ Series
-
SPST-NO
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
1.7VA
200VAC
240VAC
UL
91Y2605

RoHS

Each
1+
$430.520
5+
$402.940
10+
$390.220
25+
$377.500
50+
$358.410
Min: 1 / Mult: 1
K8DT-PZ Series
-
SPST-NO
-
DIN Rail
Screw
-
-
480VAC
-
3 Phase
2.7VA
-
-
UL
91Y2597

RoHS

Each
1+
$162.970
5+
$155.530
10+
$151.800
25+
$136.180
50+
$125.760
More Pricing...
Min: 1 / Mult: 1
K8DT-PH Series
-
SPST-NO
-
DIN Rail
Screw
-
-
480VAC
-
3 Phase
2.6VA
-
-
UL
55AC7355
Each
1+
$217.470
Min: 1 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
-
250VAC
-
-
3 Phase
30VA
280VAC
520VAC
-
23AH3168

RoHS

Each
1+
$354.220
5+
$342.880
10+
$327.240
25+
$311.560
50+
$271.040
Min: 1 / Mult: 1
EMR6 Series
-
DPDT
4A
DIN Rail
Screw
-
250VAC
400VAC
-
3 Phase
18VA
360VAC
440VAC
-
34AH3017

RoHS

Each
1+
$275.810
10+
$262.690
25+
$249.550
50+
$236.430
100+
$223.310
Min: 1 / Mult: 1
CM Series
-
DPDT
4A
DIN Rail
Screwless
-
230VAC
500VAC
-
3 Phase
-
200VAC
500VAC
-
92AH2394

RoHS

Each
1+
$364.770
5+
$325.710
10+
$302.400
25+
$263.160
50+
$236.560
More Pricing...
Min: 2 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
-
250VAC
-
-
3 Phase
1.5W
187VAC
528VAC
-
34AH3022

RoHS

Each
1+
$616.730
5+
$602.110
10+
$587.490
25+
$558.240
Min: 1 / Mult: 1
CM Series
-
DPDT
4A
DIN Rail
Screwless
-
230VAC
280VAC
-
3 Phase
-
180VAC
280VAC
-
44AC2546

RoHS

Each
1+
$81.140
5+
$73.970
10+
$71.920
25+
$70.570
50+
$67.350
More Pricing...
Min: 1 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
250V
250VAC
415VAC
28V
3 Phase
15VA
-
415VAC
-
42M1919

RoHS

Each
1+
$157.630
10+
$144.050
25+
$142.120
50+
$138.650
100+
$129.740
More Pricing...
Min: 1 / Mult: 1
-
-
SPST-NC
-
DIN Rail
Screw
-
-
415VAC
-
3 Phase
-
-
-
-
80AK6461

RoHS

Each
1+
$672.560
5+
$651.010
10+
$621.320
25+
$591.550
50+
$514.620
Min: 1 / Mult: 1
CM Series
-
DPDT
4A
DIN Rail
Push In
-
250VAC
820VAC
-
3 Phase
59VA
530VAC
820VAC
-
80AK3863

RoHS

Each
1+
$127.840
10+
$116.820
25+
$115.240
50+
$112.440
100+
$105.210
More Pricing...
Min: 1 / Mult: 1
70 Series
-
SPDT
6A
DIN Rail
Push In
-
400VAC
415VAC
-
3 Phase
1W
208VAC
480VAC
-
97AK4962

RoHS

Each
1+
$412.190
5+
$398.120
10+
$378.720
25+
$359.260
50+
$309.000
Min: 1 / Mult: 1
EMR6 Series
-
DPDT
4A
DIN Rail
Screw
-
250VAC
280VAC
-
3 Phase
3VA
180VAC
280VAC
-
87AK0976
Each
1+
$161.560
10+
$150.080
25+
$140.240
50+
$135.320
100+
$130.400
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
2VA
-
240VAC
-
151-175 of 176 items
of 8 page(s)

Popular Suppliers

EATON
SCHNEIDER ELECTRIC
HONEYWELL
WAGO
IDEC
OMRON
BELDEN
ABB