Phase Monitoring Relays:

176 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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97M4684

RoHS

Each
Pricing is unavailable. Please contact customer services.
Harmony RM17 Series
-
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
05M4257

RoHS

Each
5+
$193.600
10+
$187.930
25+
$182.260
Min: 5 / Mult: 5
PPA01 Series
-
SPDT
8A
Socket
Quick Connect
-
250V
415VAC
-
3 Phase
10VA
177VAC
475VAC
-
06X0737

RoHS

Each
1+
$226.230
Min: 1 / Mult: 1
SLA Series
-
DPDT
10A
-
Plug In
-
240VAC
-
-
3 Phase
345VA
190V
270V
-
09P6655

RoHS

Each
Pricing is unavailable. Please contact customer services.
Harmony RM17 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+
$138.630
10+
$131.690
25+
$124.760
50+
$117.830
100+
$110.900
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
CM Series
-
DPDT
4A
DIN Rail
Screw
-
24VDC
500VAC
-
3 Phase
-
300VAC
500VAC
CSA, IEC, UL
66Y0750

RoHS

Each
1+
$255.880
10+
$243.090
25+
$230.290
50+
$217.500
100+
$204.700
Min: 1 / Mult: 1
CM Series
-
DPDT
4A
DIN Rail
Screw
-
24VDC
500VAC
-
3 Phase
-
200VAC
500VAC
CSA, IEC, UL
23AH3161

RoHS

Each
1+
$442.080
5+
$427.920
10+
$408.400
25+
$388.830
50+
$338.270
Min: 1 / Mult: 1
EMR6 Series
-
DPDT
4A
DIN Rail
Screw
-
250V
500VAC
-
3 Phase
3VA
300VAC
500VAC
-
34AH3014

RoHS

Each
1+
$552.520
5+
$539.410
10+
$526.300
25+
$500.080
Min: 1 / Mult: 1
CM Series
-
DPDT
4A
DIN Rail
Screwless
-
230VAC
500VAC
-
3 Phase
-
300VAC
500VAC
-
86K0441

RoHS

Each
1+
$193.200
Min: 1 / Mult: 1
MWG Series
-
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
16C3183

RoHS

Each
1+
$341.900
5+
$325.990
10+
$316.440
25+
$306.890
Min: 3 / Mult: 3
DPC01 Series
-
SPDT
8A
DIN Rail
Screw
-
250V
240VAC
-
3 Phase
9VA
177VAC
275VAC
-
86K0443

RoHS

Each
1+
$256.010
Min: 1 / Mult: 1
MWA Series
-
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
72K0896

RoHS

Each
5+
$636.300
10+
$617.660
25+
$599.020
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
240VAC
-
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+
$148.500
Min: 30 / Mult: 10
EMWS Series
-
-
-
-
-
-
-
-
-
-
-
-
-
-
45AC6248

RoHS

Each
5+
$267.620
10+
$259.780
25+
$251.940
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
23AH3162

RoHS

Each
1+
$362.670
5+
$351.050
10+
$335.040
25+
$318.980
50+
$277.500
Min: 1 / Mult: 1
EMR6 Series
-
DPDT
4A
DIN Rail
Screw
-
500V
500VAC
-
3 Phase
15VA
300VAC
500VAC
-
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
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
-
-
-
93C1876

RoHS

Each
5+
$333.100
10+
$323.350
25+
$313.590
Min: 5 / Mult: 5
DWB01 Series
-
SPDT
8A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
13VA
-
480V
-
86K0444

RoHS

Each
1+
$317.870
Min: 1 / Mult: 1
MWUA Series
-
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
76-100 of 176 items
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