Phase Monitoring Relays:

14 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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29M7937

RoHS

Date/Lot Code

Each
1+
$331.140
5+
$322.870
10+
$314.600
25+
$298.050
50+
$281.480
More Pricing...
Min: 1 / Mult: 1
PMD Series
DPDT
10A
DIN Rail
Cage Clamp
277VAC
500VAC
3 Phase
40VA
190VAC
500VAC
CE, CUL
29M9956

RoHS

Date/Lot Code

Each
1+
$252.070
5+
$245.770
10+
$239.470
25+
$226.870
50+
$214.270
More Pricing...
Min: 1 / Mult: 1
PMP Series
SPDT
10A
Socket
Quick Connect
277VAC
480VAC
3 Phase
40VA
190VAC
500VAC
-
34AC8661

RoHS

Date/Lot Code

Each
1+
$258.630
5+
$241.660
10+
$224.680
25+
$212.240
50+
$203.220
Min: 1 / Mult: 1
201A Series
SPDT
10A
Socket
Quick Connect
240VAC
480VAC
3 Phase
5W
190VAC
480VAC
UL
34AC8662

RoHS

Date/Lot Code

Each
1+
$215.390
5+
$198.820
10+
$198.820
25+
$198.820
50+
$198.820
Min: 1 / Mult: 1
201A-AU Series
SPDT
10A
-
Quick Connect
240VAC
480VAC
3 Phase
5W
190VAC
480VAC
UL
34AC8572

RoHS

Date/Lot Code

Each
1+
$381.660
5+
$356.550
10+
$331.450
25+
$313.060
Min: 1 / Mult: 1
102A Series
SPDT
10A
Panel Mount
Screw
240VAC
480VAC
3 Phase
5W
190VAC
480VAC
CSA, UL
34AC8741

RoHS

Date/Lot Code

Each
1+
$418.800
5+
$391.250
10+
$363.680
25+
$343.500
Min: 1 / Mult: 1
250A Series
DPDT
10A
Panel Mount
Screw
240VAC
190VAC
3 Phase
5W
190VAC
480VAC
CSA, UL
34AC8900

RoHS

Date/Lot Code

Each
1+
$258.110
5+
$241.180
10+
$224.240
25+
$211.830
50+
$202.820
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+
$450.380
5+
$420.730
10+
$391.090
25+
$369.380
Min: 1 / Mult: 1
455 Series
SPDT
10A
Panel Mount
Screw
240VAC
480VAC
3 Phase
6W
190VAC
480VAC
CSA, UL
15AJ5694

RoHS

Date/Lot Code

Each
1+
$527.990
5+
$527.990
10+
$527.990
25+
$527.990
50+
$527.990
Min: 1 / Mult: 1
PC1 Series
SPDT
5A
DIN Rail
Screw
250VAC
-
3 Phase
3VA
190VAC
600VAC
-
34AC8907

RoHS

Each
1+
$324.000
5+
$302.720
10+
$281.420
25+
$265.830
Min: 1 / Mult: 1
460 Series
SPST-NO, SPST-NC
8A
DIN Rail, Panel
Screw
240VAC
480VAC
3 Phase
6W
190VAC
480VAC
UL
34AC8664

RoHS

Each
1+
$258.630
5+
$241.660
10+
$224.700
25+
$212.240
50+
$203.240
Min: 1 / Mult: 1
201A Series
SPDT
10A
Socket
Quick Connect
240VAC
480VAC
3 Phase
5W
190VAC
480VAC
UL
34AC8670

RoHS

Each
1+
$216.800
5+
$202.580
10+
$188.380
25+
$177.950
50+
$170.390
Min: 1 / Mult: 1
202 Series
SPDT
10A
Socket
Quick Connect / Screw
240VAC
480VAC
3 Phase
5W
190VAC
480VAC
IEC, UL
34AC8574

RoHS

Each
1+
$392.910
5+
$367.070
10+
$341.230
25+
$322.290
Min: 1 / Mult: 1
102A Series
SPDT
10A
Panel Mount
Screw
240VAC
480VAC
3 Phase
5W
190VAC
480VAC
CSA, UL
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
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