Phase Monitoring Relays:

95 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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05M4097

RoHS

Each
1+
$167.560
5+
$159.320
10+
$154.370
25+
$149.430
Min: 1 / Mult: 1
DPA53 Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
320VAC
480VAC
-
86K0442

RoHS

Each
1+
$152.790
Min: 1 / Mult: 1
MWU Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
16C3184

RoHS

Each
1+
$245.030
5+
$232.780
10+
$225.430
25+
$218.080
Min: 1 / Mult: 1
DPC01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
323VAC
550VAC
-
67C0900

RoHS

Each
1+
$105.600
5+
$100.360
10+
$97.210
25+
$94.070
Min: 1 / Mult: 1
DPA51 Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
177VAC
550VAC
-
16C3176

RoHS

Each
1+
$127.330
5+
$120.970
10+
$117.150
25+
$113.330
Min: 1 / Mult: 1
DPA01 Series
-
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
10VA
323VAC
550VAC
-
05M4095

RoHS

Each
1+
$134.820
5+
$128.080
10+
$124.040
25+
$119.990
Min: 1 / Mult: 1
DPA01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
10VA
177VAC
550VAC
-
89C4384

RoHS

Each
1+
$376.640
5+
$357.810
10+
$346.510
25+
$335.210
Min: 1 / Mult: 1
DPC01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
690VAC
-
3 Phase
21VA
510VAC
793VAC
-
47X2115

RoHS

Each
1+
$119.870
Min: 1 / Mult: 1
MWS Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
183VAC
528VAC
-
66Y0750

RoHS

Each
1+
$196.970
10+
$187.130
25+
$177.270
50+
$167.430
100+
$157.570
Min: 1 / Mult: 1
-
-
DPDT
4A
DIN Rail
Screw
-
24V
500VAC
-
3 Phase
-
200VAC
500VAC
CSA, IEC, UL
06AC2593

RoHS

Date/Lot Code

Each
1+
$182.110
Min: 1 / Mult: 1
Zelio Series
-
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
380V
480VAC
-
34AC8572

RoHS

Date/Lot Code

Each
1+
$288.300
5+
$269.340
10+
$250.380
25+
$236.490
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+
$322.380
5+
$301.180
10+
$279.960
25+
$264.420
Min: 1 / Mult: 1
250A Series
-
DPDT
10A
Panel Mount
Screw
-
240VAC
190VAC
-
3 Phase
5W
190VAC
480VAC
CSA, UL
34AC8900

RoHS

Date/Lot Code

Each
1+
$196.840
5+
$183.920
10+
$171.000
25+
$161.540
50+
$154.670
Min: 1 / Mult: 1
460 Series
-
SPDT
10A
DIN Rail
Screw
-
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
CE, IEC, UL
34AC8897

RoHS

Date/Lot Code

Each
1+
$346.690
5+
$323.870
10+
$301.060
25+
$284.350
Min: 1 / Mult: 1
455 Series
-
SPDT
10A
Panel Mount
Screw
-
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
CSA, UL
66AH6834

RoHS

Each
1+
$201.190
Min: 1 / Mult: 1
Zelio RM22UA
-
DPDT
8A
DIN Rail
Screw
-
250VAC
240V
-
1 Phase
1.5W
15V
500VAC
-
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
66AH6836

RoHS

Each
1+
$170.220
Min: 1 / Mult: 1
Zelio RM22UB
-
DPDT
8A
DIN Rail
Screw
-
250VAC
240V
-
1 Phase
2W
80V
300V
-
55AJ2777

RoHS

Each
1+
$217.030
Min: 1 / Mult: 1
Zelio
-
DPDT
8A
DIN Rail
Screw
-
250VAC
576VAC
-
3 Phase
15VA
380V
480VAC
-
15AJ5694

RoHS

Date/Lot Code

Each
1+
$430.350
5+
$430.350
10+
$430.350
25+
$430.350
50+
$430.350
Min: 1 / Mult: 1
PC1 Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
-
-
3 Phase
3VA
190VAC
600VAC
-
55T7542

RoHS

Each
1+
$138.480
10+
$131.850
25+
$125.230
50+
$118.600
100+
$111.980
Min: 1 / Mult: 1
CM-PFE
-
SPDT
4A
DIN Rail
Screw
-
250VAC
440VAC
-
3 Phase
15VA
208VAC
440VAC
-
09P6672

RoHS

Date/Lot Code

Each
1+
$284.520
5+
$277.400
10+
$270.290
25+
$256.070
50+
$241.830
Min: 1 / Mult: 1
-
-
DPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
2.9VA
194V
528VAC
-
23AH3169

RoHS

Each
1+
$316.000
5+
$305.740
10+
$291.580
25+
$277.390
50+
$240.720
Min: 1 / Mult: 1
EMR6
-
DPDT
4A
DIN Rail
Screw
-
250VAC
500VAC
-
3 Phase
18VA
300VAC
500VAC
-
50AJ8750

RoHS

Each
1+
$134.150
Min: 1 / Mult: 1
Zelio
-
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
183VAC
528VAC
-
26AK3439

RoHS

Each
1+
$174.010
5+
$165.570
10+
$159.330
25+
$153.040
50+
$141.300
Min: 1 / Mult: 1
-
-
DPDT-CO
8A
DIN Rail
Screw
-
250VAC
576VAC
-
3 Phase
4VA
208VAC
480VAC
-
11R2673

RoHS

Each
1+
$180.320
10+
$154.890
25+
$148.820
50+
$142.220
100+
$130.280
More Pricing...
Min: 1 / Mult: 1
MK 9056
-
DPDT
-
DIN Rail
Screw
-
230VAC
500VAC
-
3 Phase
-
-
-
-
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