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
-
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
-
45AC6247

RoHS

Each
1+
$146.370
5+
$139.130
10+
$134.780
25+
$130.440
Min: 1 / Mult: 1
DPA52 Series
SPDT
5A
DIN Rail
-
-
480VAC
208VAC
-
3 Phase
2VA
480VAC
208VAC
CE, CSA, UL
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
-
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
-
66AH6827

RoHS

Each
1+
$158.530
10+
$150.900
25+
$140.860
50+
$126.300
100+
$118.510
Min: 1 / Mult: 1
Zelio
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
-
-
-
27R0593
Each
1+
$254.200
10+
$236.050
25+
$227.670
50+
$219.290
100+
$209.510
Min: 1 / Mult: 1
DPC01 Series
2 x SPDT
5A
DIN Rail
Screw
-
24VDC
480VAC
-
3 Phase
-
374VAC
552VAC
-
67AH3181

RoHS

Each
1+
$184.270
10+
$174.700
25+
$161.340
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
Screw
-
250VAC
440VAC
-
3 Phase
22VA
183VAC
484V
-
38Y7644

RoHS

Date/Lot Code

Each
1+
$102.300
5+
$100.030
10+
$97.750
25+
$93.190
50+
$88.630
More Pricing...
Min: 1 / Mult: 1
K8AK-PH Series
DPDT-NC
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
4.1VA
200VAC
480VAC
-
69AK8665

RoHS

Each
1+
$45.700
100+
$45.700
250+
$45.700
500+
$45.700
1000+
$45.700
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
-
85AK4169

RoHS

Each
1+
$209.070
5+
$182.880
10+
$179.950
Min: 1 / Mult: 1
DPB51 Series
SPDT
5A
DIN Rail, Panel
Screw
-
250VAC
-
-
3 Phase
13VA
208VAC
480VAC
-
69AK8659

RoHS

Each
1+
$35.870
100+
$35.870
250+
$35.870
500+
$35.870
1000+
$35.870
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3.5VA
208VAC
480VAC
-
69AK8656

RoHS

Each
1+
$62.860
100+
$62.860
250+
$62.860
500+
$62.860
1000+
$62.860
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
-
69AK8663

RoHS

Each
1+
$70.620
100+
$64.740
250+
$64.740
500+
$64.740
1000+
$59.760
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
5VA
-
240VAC
-
69AK8666

RoHS

Each
1+
$51.790
100+
$51.790
250+
$51.790
500+
$51.790
1000+
$51.790
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
-
69AK8664

RoHS

Each
1+
$45.700
100+
$45.700
250+
$45.700
500+
$45.700
1000+
$45.700
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase, 3 Phase
5VA
-
240VAC
-
69AK8657

RoHS

Each
1+
$67.400
100+
$67.400
250+
$67.400
500+
$67.400
1000+
$67.400
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
240VAC
300V
-
3 Phase
5VA
85V
300V
-
69AK8662

RoHS

Each
1+
$38.200
100+
$38.200
250+
$38.200
500+
$38.200
1000+
$38.200
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
-
69AK8655

RoHS

Each
1+
$58.410
100+
$58.410
250+
$58.410
500+
$58.410
1000+
$58.410
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
-
69AK8658

RoHS

Each
1+
$86.320
100+
$79.120
250+
$79.120
500+
$79.120
1000+
$73.040
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
16VA
208VAC
480VAC
-
69AK8661

RoHS

Each
1+
$36.100
100+
$36.100
250+
$36.100
500+
$36.100
1000+
$36.100
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
-
69AK8660

RoHS

Each
1+
$62.150
100+
$56.970
250+
$56.970
500+
$56.970
1000+
$52.590
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3VA
208VAC
480VAC
-
69AK8667

RoHS

Each
1+
$51.790
100+
$51.790
250+
$51.790
500+
$51.790
1000+
$51.790
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
-
56Y5878
Each
1+
$98.160
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250VAC
230VAC
-
3 Phase
8VA
170VAC
290VAC
-
1-25 of 41 items
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