Phase Monitoring Relays:

11 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
34AC8661

RoHS

Date/Lot Code

Each
1+
$195.370
5+
$182.550
10+
$169.730
25+
$160.330
50+
$153.510
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+
$165.800
5+
$153.050
10+
$153.050
25+
$153.050
50+
$153.050
Min: 1 / Mult: 1
201A-AU Series
-
SPDT
10A
-
Quick Connect
240VAC
480VAC
3 Phase
5W
190VAC
480VAC
UL
34AC8913

RoHS

Date/Lot Code

Each
1+
$184.760
5+
$169.150
10+
$153.530
25+
$143.670
50+
$137.170
Min: 1 / Mult: 1
460 Series
-
SPDT
10A
DIN Rail, Panel
Screw
240VAC
600VAC
3 Phase
6W
475VAC
600VAC
UL
91Y2598

RoHS

Date/Lot Code

Each
1+
$47.190
5+
$47.190
10+
$47.190
25+
$47.190
50+
$47.190
Min: 1 / Mult: 1
K8DT-PM Series
-
SPDT
5A
DIN Rail
Screw
250VAC
240VAC
3 Phase
1.7VA
200VAC
240VAC
UL
08X7281

RoHS

Each
1+
$106.720
10+
$101.380
25+
$96.040
50+
$90.710
100+
$85.370
More Pricing...
Min: 1 / Mult: 1
72 Series
250VAC
SPDT
16A
DIN Rail, Panel
Screw
24VDC
125VAC
1 Phase
2.5VA
-
-
UL
34AC8907

RoHS

Each
1+
$244.750
5+
$228.670
10+
$212.590
25+
$200.810
Min: 1 / Mult: 1
460 Series
-
SPST-NO, SPST-NC
8A
DIN Rail, Panel
Screw
240VAC
480VAC
3 Phase
6W
190VAC
480VAC
UL
34AC3146

RoHS

Each
1+
$291.850
5+
$272.660
10+
$253.460
25+
$239.390
Min: 1 / Mult: 1
HLMU Series
-
DPDT
10A
Panel Mount
Screw
240VAC
480VAC
3 Phase
-
200VAC
480VAC
UL
34AC8664

RoHS

Each
1+
$199.090
5+
$186.020
10+
$172.970
25+
$163.380
50+
$156.450
Min: 1 / Mult: 1
201A Series
-
SPDT
10A
Socket
Quick Connect
240VAC
480VAC
3 Phase
5W
190VAC
480VAC
UL
34AC8681

RoHS

Each
1+
$532.650
5+
$497.510
10+
$462.370
Min: 1 / Mult: 1
PumpSaver Series
-
SPST
-
Panel Mount
Screw
240VAC
230VAC
1 Phase
5W
-
230VAC
UL
34AC8680

RoHS

Each
1+
$450.660
5+
$420.960
10+
$391.260
25+
$369.530
Min: 1 / Mult: 1
PumpSaver Series
-
SPST
-
Panel Mount
Screw
240VAC
230VAC
1 Phase
5W
-
230VAC
UL
34AC8902

RoHS

Each
1+
$180.140
5+
$168.330
10+
$156.510
25+
$147.860
50+
$141.570
Min: 1 / Mult: 1
460 Series
-
SPDT
10A
DIN Rail, Panel
Screw
240VAC
480VAC
3 Phase
6W
190VAC
480VAC
UL
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