Phase Monitoring Relays:

171 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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09P6655

RoHS

Each
Pricing is unavailable. Please contact customer services.
Zelio Series
-
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
06X0748
Each
1+
$430.560
Min: 1 / Mult: 1
SLA Series
-
DPDT
3A
Surface Mount
Screw
-
600VAC
-
-
3 Phase
360VA
430V
480V
-
08X7281

RoHS

Each
1+
$132.480
10+
$125.870
25+
$119.240
50+
$112.620
100+
$105.990
More Pricing...
Min: 1 / Mult: 1
72 Series
250VAC
SPDT
16A
DIN Rail, Panel
Screw
-
24VDC
125VAC
-
1 Phase
2.5VA
-
-
UL
66Y0773

RoHS

Each
1+
$544.720
5+
$531.110
10+
$517.490
25+
$490.240
Min: 1 / Mult: 1
-
-
DPDT
4A
DIN Rail
Screw
-
24VDC
500VAC
-
3 Phase
-
300VAC
500VAC
CSA, IEC, UL
23AH3161

RoHS

Each
1+
$432.520
5+
$418.460
10+
$399.090
25+
$379.670
50+
$329.480
Min: 1 / Mult: 1
EMR6
-
DPDT
4A
DIN Rail
Screw
-
250V
500VAC
-
3 Phase
3VA
300VAC
500VAC
-
66AH6834

RoHS

Each
1+
$261.420
Min: 1 / Mult: 1
Zelio RM22UA
-
DPDT
8A
DIN Rail
Screw
-
250V
240V
-
1 Phase
1.5W
15V
500VAC
-
34AH3014

RoHS

Each
1+
$507.020
5+
$494.890
10+
$482.750
25+
$458.480
Min: 1 / Mult: 1
CM
-
DPDT
4A
DIN Rail
Screwless
-
230VAC
500VAC
-
3 Phase
-
300VAC
500VAC
-
86K0441

RoHS

Each
1+
$177.940
Min: 1 / Mult: 1
MWG Series
-
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
16C3183

RoHS

Each
1+
$318.310
5+
$302.400
10+
$292.850
25+
$283.300
Min: 3 / Mult: 3
DPC01 Series
-
SPDT
8A
DIN Rail
Screw
-
250V
240V
-
3 Phase
9VA
177VAC
275VAC
-
86K0443

RoHS

Each
1+
$235.790
Min: 1 / Mult: 1
MWA Series
-
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
72K0896

RoHS

Each
5+
$590.270
10+
$571.630
25+
$552.990
Min: 5 / Mult: 5
S142A Series
-
SPDT
-
Socket
Quick Connect
-
-
24V
-
-
1.6VA
-
-
-
25R0991

RoHS

Each
Pricing is unavailable. Please contact customer services.
DPA53 Series
-
SPDT
5A
DIN Rail
Screw
-
250V
240V
-
3 Phase
7VA
160VAC
240VAC
-
06X0945
Each
1+
$277.310
Min: 1 / Mult: 1
SUA Series
-
SPDT
10A
-
Plug In
-
240VAC
-
-
3 Phase
360VA
430V
480V
-
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
08X6462

RoHS

Each
1+
$136.770
Min: 30 / Mult: 10
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
45AC6248

RoHS

Each
5+
$250.910
10+
$243.070
25+
$235.230
Min: 5 / Mult: 5
DPB52 Series
-
SPDT
5A
DIN Rail
-
-
480VAC
208VAC
-
3 Phase
2VA
480VAC
208VAC
CE, 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
3VA
400VAC
480V
CSA, UL
72K0899

RoHS

Each
5+
$597.960
10+
$572.430
25+
$554.200
Min: 5 / Mult: 5
S142A Series
-
SPDT
-
Socket
Quick Connect
-
-
24V
-
-
1.6VA
-
-
-
31M9800

RoHS

Each
1+
$740.870
Min: 3 / Mult: 1
DPC01 Series
-
DPDT
8A
Socket
Quick Connect
-
250V
115VAC
-
3 Phase
8VA
85VAC
132VAC
CSA, UL
93C1876

RoHS

Each
5+
$309.000
10+
$299.240
25+
$289.490
Min: 5 / Mult: 5
DWB01 Series
-
SPDT
8A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
13VA
-
480V
-
86K0444

RoHS

Each
1+
$292.750
Min: 1 / Mult: 1
MWUA Series
-
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
50M2856

RoHS

Each
5+
$216.570
10+
$209.730
25+
$202.890
Min: 5 / Mult: 5
DPA01 Series
-
SPDT
8A
DIN Rail
Screw
-
250V
690VAC
-
3 Phase
15VA
510VAC
760VAC
-
16C3175

RoHS

Each
5+
$157.140
10+
$152.180
25+
$147.220
Min: 5 / Mult: 5
DPA01 Series
-
DPDT
8A
DIN Rail
Screw
-
250V
240V
-
3 Phase
6VA
177VAC
275VAC
-
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
-
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
6VA
190VAC
480V
UL
76-100 of 171 items
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