Phase Monitoring Relays:

169 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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ComparePrice forQuantity
68W6979

RoHS

Each
1+
$160.870
10+
$153.170
25+
$145.450
50+
$137.750
100+
$130.050
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
6W
190VAC
480VAC
UL
91Y2602

RoHS

Each
1+
$424.150
5+
$396.580
10+
$383.860
25+
$371.130
50+
$352.040
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+
$424.150
5+
$396.580
10+
$383.860
25+
$371.130
50+
$352.040
Min: 1 / Mult: 1
K8DT-PZ Series
-
SPDT
-
DIN Rail
Screw
-
-
480VAC
-
3 Phase
2.7VA
-
-
UL
91Y2603

RoHS

Each
1+
$457.640
5+
$427.890
10+
$414.160
25+
$400.440
50+
$379.830
Min: 1 / Mult: 1
K8DT-PZ Series
-
SPST-NO
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
1.7VA
200VAC
240VAC
UL
94Y9605

RoHS

Each
Pricing is unavailable. Please contact customer services.
Zelio RM22UA Series
-
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase
1.5W
1V
100V
-
91Y2605

RoHS

Each
1+
$424.150
5+
$396.580
10+
$383.860
25+
$371.130
50+
$352.040
Min: 1 / Mult: 1
K8DT-PZ Series
-
SPST-NO
-
DIN Rail
Screw
-
-
480VAC
-
3 Phase
2.7VA
-
-
UL
91Y2597

RoHS

Each
1+
$160.730
5+
$153.290
10+
$149.570
25+
$133.950
50+
$123.530
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+
$354.320
5+
$342.810
10+
$326.930
25+
$311.020
50+
$269.900
Min: 1 / Mult: 1
EMR6
-
DPDT
4A
DIN Rail
Screw
-
250VAC
400VAC
-
3 Phase
18VA
360VAC
440VAC
-
34AH3017

RoHS

Each
1+
$253.460
10+
$241.310
25+
$229.150
50+
$217.000
100+
$204.830
Min: 1 / Mult: 1
CM
-
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+
$609.770
5+
$595.150
10+
$580.520
25+
$551.280
Min: 1 / Mult: 1
CM
-
DPDT
4A
DIN Rail
Screwless
-
230VAC
280VAC
-
3 Phase
-
180VAC
280VAC
-
44AC2546

RoHS

Each
1+
$77.220
5+
$70.050
10+
$68.000
25+
$66.650
50+
$63.430
More Pricing...
Min: 1 / Mult: 1
SM 301 Series
-
SPDT
5A
DIN Rail
Screw
250V
250VAC
415VAC
28V
3 Phase
15VA
-
415VAC
-
42M1919

RoHS

Each
1+
$155.140
10+
$141.600
25+
$139.670
50+
$136.240
100+
$127.350
More Pricing...
Min: 1 / Mult: 1
IK 9169
-
SPST-NC
-
DIN Rail
Screw
-
-
415VAC
-
3 Phase
-
-
-
-
80AK6461

RoHS

Each
1+
$662.920
5+
$641.380
10+
$611.690
25+
$581.910
50+
$504.990
Min: 1 / Mult: 1
CM-MPN Series
-
DPDT
4A
DIN Rail
Push In
-
250VAC
820VAC
-
3 Phase
59VA
530VAC
820VAC
-
80AK3863

RoHS

Each
1+
$128.110
10+
$116.930
25+
$115.330
50+
$112.490
100+
$105.150
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
-
87AK0977

RoHS

Each
1+
$1.260
10+
$1.260
25+
$1.260
50+
$1.260
100+
$1.260
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
400VAC
-
3 Phase
2VA
-
400V
-
151-169 of 169 items
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