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.
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53R1959

RoHS

Each
1+
$153.110
10+
$139.920
25+
$138.040
50+
$134.680
100+
$126.020
More Pricing...
Min: 1 / Mult: 1
-
-
SPST-NC
-
DIN Rail
Screw
-
230VAC
400VAC
-
3 Phase
-
-
-
-
06X0781
Each
1+
$218.930
Min: 1 / Mult: 1
SLU Series
-
SPDT
10A
Socket
Plug In
-
240VAC
550VAC
-
3 Phase
90VA
200VAC
500VAC
-
69AK8666

RoHS

Each
1+
$67.560
100+
$67.560
250+
$67.560
500+
$67.560
1000+
$67.560
Min: 1 / Mult: 1
-
-
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
-
69AK8664

RoHS

Each
1+
$59.610
100+
$59.610
250+
$59.610
500+
$59.610
1000+
$59.610
Min: 1 / Mult: 1
-
-
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase, 3 Phase
5VA
-
240VAC
-
69AK8663

RoHS

Each
1+
$59.610
100+
$59.610
250+
$59.610
500+
$59.610
1000+
$59.610
Min: 1 / Mult: 1
-
-
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
5VA
-
240VAC
-
85AK6218

RoHS

Each
1+
$333.670
Min: 1 / Mult: 1
PPB01 Series
-
SPDT
8A
Socket
Plug In
-
250VAC
-
-
3 Phase
2.5VA
380VAC
480VAC
-
69AK8657

RoHS

Each
1+
$87.910
100+
$87.910
250+
$87.910
500+
$87.910
1000+
$87.910
Min: 1 / Mult: 1
-
-
DPDT
5A
DIN Rail
Screw
-
240VAC
300V
-
3 Phase
5VA
85V
300V
-
69AK8658

RoHS

Each
1+
$112.600
100+
$103.210
250+
$103.210
500+
$103.210
1000+
$95.270
Min: 1 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
16VA
208VAC
480VAC
-
69AK8655

RoHS

Each
1+
$64.680
100+
$64.680
250+
$64.680
500+
$64.680
1000+
$64.680
Min: 1 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
-
69AK8662

RoHS

Each
1+
$49.830
100+
$49.830
250+
$49.830
500+
$49.830
1000+
$49.830
Min: 1 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
-
69AK8661

RoHS

Each
1+
$47.790
100+
$47.790
250+
$47.790
500+
$47.790
1000+
$47.790
Min: 1 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
-
69AK8660

RoHS

Each
1+
$81.070
100+
$74.310
250+
$74.310
500+
$74.310
1000+
$68.600
Min: 1 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3VA
208VAC
480VAC
-
69AK8667

RoHS

Each
1+
$67.560
100+
$67.560
250+
$67.560
500+
$67.560
1000+
$67.560
Min: 1 / Mult: 1
-
-
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
-
69AK8659

RoHS

Each
1+
$39.720
100+
$39.720
250+
$39.720
500+
$39.720
1000+
$39.720
Min: 1 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3.5VA
208VAC
480VAC
-
85AK4169

RoHS

Each
1+
$235.960
5+
$201.780
10+
$197.970
Min: 1 / Mult: 1
DPB51 Series
-
SPDT
5A
DIN Rail, Panel
Screw
-
250VAC
-
-
3 Phase
13VA
208VAC
480VAC
-
69AK8665

RoHS

Each
1+
$59.610
100+
$59.610
250+
$59.610
500+
$59.610
1000+
$59.610
Min: 1 / Mult: 1
-
-
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
-
69AK8656

RoHS

Each
1+
$82.000
100+
$82.000
250+
$82.000
500+
$82.000
1000+
$82.000
Min: 1 / Mult: 1
-
-
DPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
-
82AK2917
Each
1+
$321.950
Min: 1 / Mult: 1
SLU Series
-
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
-
87AK0979
Each
1+
$117.750
10+
$117.750
25+
$117.750
50+
$117.750
100+
$117.750
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
575V
-
3 Phase
2VA
-
575V
-
87AK0978
Each
1+
$98.120
10+
$98.120
25+
$98.120
50+
$98.120
100+
$98.120
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
2VA
-
480VAC
-
87AK0975
Each
1+
$104.670
10+
$104.670
25+
$104.670
50+
$104.670
100+
$104.670
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
208V
-
3 Phase
2VA
-
208V
-
56Y5878
Each
1+
$30.180
Min: 1 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
-
250VAC
230VAC
-
3 Phase
8VA
170VAC
290VAC
-
91Y2598

RoHS

Date/Lot Code

Each
1+
$61.300
5+
$61.300
10+
$61.300
25+
$61.300
50+
$61.300
Min: 1 / Mult: 1
K8DT-PM Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
1.7VA
200VAC
240VAC
UL
27C0651

RoHS

Date/Lot Code

Each
1+
$163.190
5+
$159.120
10+
$155.040
25+
$146.870
50+
$138.730
More Pricing...
Min: 1 / Mult: 1
PAP Series
-
SPDT
10A
Socket
Quick Connect
-
277VAC
480VAC
-
3 Phase
40VA
330VAC
380VAC
-
06M3827

RoHS

Each
5+
$269.040
10+
$261.160
25+
$253.280
Min: 5 / Mult: 5
DPB01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
323VAC
550VAC
-
51-75 of 176 items
of 8 page(s)

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