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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Relay Mounting
Relay Terminals
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Phase Monitoring Range Min
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Approvals & Standards
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ComparePrice forQuantity
03M5287
Each
1+
$210.170
Min: 1 / Mult: 1
SLU-100 Series
SPDT
10A
-
Plug In
240VAC
550VAC
3 Phase
90VA
200VAC
500VAC
-
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
-
06X0740
Each
1+
$167.850
Min: 1 / Mult: 1
SLA Series
SPDT
10A
-
Plug In
240VAC
-
3 Phase
345VA
190VAC
270V
-
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
34AC4485

RoHS

Date/Lot Code

Each
1+
$281.970
5+
$266.510
10+
$251.050
25+
$239.700
Min: 1 / Mult: 1
PLMU Series
SPDT
10A
Socket
Quick Connect
240VAC
480VAC
3 Phase
5W
200VAC
480VAC
CSA, 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
34AC8913

RoHS

Date/Lot Code

Each
1+
$242.280
5+
$221.810
10+
$201.330
25+
$188.390
50+
$179.870
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail, Panel
Screw
240VAC
600VAC
3 Phase
6W
475VAC
600VAC
UL
06X0781
Each
1+
$218.930
Min: 1 / Mult: 1
-
SPDT
10A
-
Plug In
240VAC
550VAC
3 Phase
90VA
200VAC
500VAC
-
82AK2917
Each
1+
$324.350
Min: 1 / Mult: 1
-
SPDT
10A
Socket
Plug In
240VAC
-
3 Phase
90VA
200VAC
430VAC
-
27C0651

RoHS

Date/Lot Code

Each
1+
$164.820
5+
$160.690
10+
$156.570
25+
$148.330
50+
$140.100
More Pricing...
Min: 1 / Mult: 1
PAP Series
SPDT
10A
Socket
Quick Connect
277VAC
480VAC
3 Phase
40VA
330VAC
380VAC
-
68W6981

RoHS

Each
1+
$193.100
10+
$183.860
25+
$174.620
50+
$165.370
100+
$156.140
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
Screw
250VAC
415VAC
3 Phase
11VA
380VAC
415VAC
-
06X0737

RoHS

Each
1+
$226.230
Min: 1 / Mult: 1
SLA Series
DPDT
10A
-
Plug In
240VAC
-
3 Phase
345VA
190VAC
270V
-
06X0945
Each
1+
$277.310
Min: 1 / Mult: 1
SUA Series
SPDT
10A
-
Plug In
240VAC
-
3 Phase
360VA
430VAC
480VAC
-
38Y9927

RoHS

Each
1+
$456.480
5+
$442.570
10+
$420.440
25+
$398.420
Min: 1 / Mult: 1
PMP Series
SPDT
10A
-
Quick Connect
277VAC
-
3 Phase
40VA
345VAC
660VAC
CE, UL
34AC4490

RoHS

Each
1+
$248.010
5+
$237.430
10+
$213.230
25+
$205.670
50+
$202.650
More Pricing...
Min: 1 / Mult: 1
PLM Series
SPDT
10A
Socket
Quick Connect
240VAC
480VAC
3 Phase
3W
400VAC
480VAC
CSA, UL
28B2279

RoHS

Each
1+
$319.650
5+
$285.200
10+
$264.530
25+
$231.480
50+
$206.670
More Pricing...
Min: 1 / Mult: 1
PMP Series
SPDT
10A
Socket
Quick Connect
277VAC
120VAC
3 Phase
40VA
102VAC
138VAC
-
34AC3146

RoHS

Each
1+
$386.350
5+
$360.950
10+
$335.540
25+
$316.910
Min: 1 / Mult: 1
HLMU Series
DPDT
10A
Panel Mount
Screw
240VAC
480VAC
3 Phase
-
200VAC
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
20J6493

RoHS

Each
1+
$360.180
5+
$337.250
10+
$314.840
25+
$285.860
50+
$259.500
More Pricing...
Min: 1 / Mult: 1
PAP Series
SPDT
10A
Socket
Quick Connect
277VAC
208VAC
3 Phase
40VA
156VAC
198VAC
-
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
1-25 of 32 items
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