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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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
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
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
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
31M9800

RoHS

Each
1+
$740.870
Min: 3 / Mult: 1
DPC01 Series
DPDT
8A
Socket
Quick Connect
250VAC
115VAC
3 Phase
8VA
85VAC
132VAC
CSA, UL
80K7042
Each
1+
$2,917.950
Min: 5 / Mult: 5
D101X Series
SPST-NO
5A
Panel Mount
Screw
120VAC
120VAC
3 Phase
2VA
-
-
CSA, UL
34AC8866

RoHS

Each
1+
$529.600
5+
$494.720
10+
$459.830
25+
$434.280
Min: 1 / Mult: 1
350 Series
SPDT
15A
Panel Mount
Screw
240VAC
480VAC
3 Phase
5W
380VAC
480VAC
CSA, UL
01J1748
Each
1+
$2,653.140
Min: 5 / Mult: 5
WILMAR 1800 Series
SPST-NO
5A
Panel Mount
Screw
120VAC
120VAC
3 Phase
-
-
-
CSA, UL
34AC8867

RoHS

Each
1+
$529.600
5+
$494.720
10+
$459.830
25+
$434.280
Min: 1 / Mult: 1
350 Series
SPDT
15A
Panel Mount
Screw
240VAC
480VAC
3 Phase
5W
380VAC
480VAC
CSA, 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
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