Phase Monitoring Relays:

134 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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34AH3017

RoHS

Each
1+
$201.330
10+
$191.820
25+
$182.290
50+
$172.780
100+
$163.260
Min: 1 / Mult: 1
CM Series
-
DPDT
4A
DIN Rail
Screwless
-
230VAC
500VAC
-
3 Phase
-
200VAC
500VAC
-
92AH2394

RoHS

Each
1+
$351.480
5+
$342.690
10+
$333.900
25+
$316.330
50+
$293.010
More Pricing...
Min: 2 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
-
250VAC
-
-
3 Phase
1.5W
187VAC
528VAC
-
34AH3022

RoHS

Each
1+
$469.170
5+
$458.120
10+
$447.070
25+
$424.980
Min: 1 / Mult: 1
CM Series
-
DPDT
4A
DIN Rail
Screwless
-
230VAC
280VAC
-
3 Phase
-
180VAC
280VAC
-
44AC2546

RoHS

Each
1+
$57.090
5+
$52.080
10+
$50.650
25+
$49.710
50+
$47.460
More Pricing...
Min: 1 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
250V
250VAC
415VAC
28V
3 Phase
15VA
-
415VAC
-
42M1919

RoHS

Each
1+
$121.260
10+
$110.900
25+
$109.420
50+
$106.790
100+
$99.980
More Pricing...
Min: 1 / Mult: 1
-
-
SPST-NC
-
DIN Rail
Screw
-
-
415VAC
-
3 Phase
-
-
-
-
80AK6461

RoHS

Each
1+
$507.410
5+
$491.310
10+
$469.120
25+
$446.870
50+
$389.390
Min: 1 / Mult: 1
CM Series
-
DPDT
4A
DIN Rail
Push In
-
250VAC
820VAC
-
3 Phase
59VA
530VAC
820VAC
-
80AK3863

RoHS

Each
1+
$97.610
10+
$89.270
25+
$88.080
50+
$85.960
100+
$80.480
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+
$316.850
5+
$306.040
10+
$291.120
25+
$276.160
50+
$237.530
Min: 1 / Mult: 1
EMR6 Series
-
DPDT
4A
DIN Rail
Screw
-
250VAC
280VAC
-
3 Phase
3VA
180VAC
280VAC
-
87AK0977

RoHS

Each
1+
$0.945
10+
$0.945
25+
$0.945
50+
$0.945
100+
$0.945
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
400V
-
3 Phase
2VA
-
400V
-
126-134 of 134 items
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