Phase Monitoring Relays:

178 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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06M3827

RoHS

Each
5+
$284.020
10+
$276.140
25+
$268.260
Min: 5 / Mult: 5
DPB01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
323VAC
550VAC
-
97M4684

RoHS

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

RoHS

Each
5+
$204.380
10+
$198.700
25+
$193.030
Min: 5 / Mult: 5
PPA01 Series
-
SPDT
8A
Socket
Quick Connect
-
250VAC
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
-
250VAC
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
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
-
24V
500VAC
-
3 Phase
-
300VAC
500VAC
CSA, IEC, UL
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
-
24V
125VAC
-
1 Phase
2.5VA
-
-
UL
34AH3014

RoHS

Each
1+
$573.500
5+
$560.400
10+
$547.290
25+
$521.070
Min: 1 / Mult: 1
CM Series
-
DPDT
4A
DIN Rail
Screwless
-
230VAC
500VAC
-
3 Phase
-
300VAC
500VAC
-
86K0441

RoHS

Each
1+
$206.130
Min: 1 / Mult: 1
MWG Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
16C3183

RoHS

Each
1+
$360.040
5+
$344.130
10+
$334.580
25+
$325.030
Min: 3 / Mult: 3
DPC01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
9VA
177VAC
275VAC
-
86K0443

RoHS

Each
1+
$273.140
Min: 1 / Mult: 1
MWA Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
72K0896

RoHS

Each
5+
$671.720
10+
$653.080
25+
$634.440
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
-
250VAC
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+
$158.440
Min: 30 / Mult: 10
EMWS Series
-
-
-
-
-
-
-
-
-
-
-
-
-
-
45AC6248

RoHS

Each
5+
$284.010
10+
$276.170
25+
$268.330
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
3W
400VAC
480V
CSA, UL
55AJ2778

RoHS

Each
1+
$287.720
Min: 1 / Mult: 1
Harmony RM22 Series
-
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
10VA
200VAC
240VAC
-
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+
$382.250
5+
$363.140
10+
$351.670
25+
$340.210
Min: 3 / Mult: 3
DPC01 Series
-
DPDT
8A
Socket
Quick Connect
-
250VAC
115VAC
-
3 Phase
8VA
85VAC
132VAC
CSA, UL
93C1876

RoHS

Each
5+
$351.650
10+
$341.890
25+
$332.130
Min: 5 / Mult: 5
DWB01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
-
480V
-
86K0444

RoHS

Each
1+
$339.120
Min: 1 / Mult: 1
MWUA Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
50M2856

RoHS

Each
5+
$246.450
10+
$239.610
25+
$232.770
Min: 5 / Mult: 5
DPA01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
690VAC
-
3 Phase
15VA
510VAC
760VAC
-
76-100 of 178 items
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