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+
$217.660
5+
$206.960
10+
$200.540
25+
$194.120
Min: 1 / Mult: 1
DPA53 Series
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
320VAC
480VAC
-
86K0442

RoHS

Each
1+
$202.260
Min: 1 / Mult: 1
MWU Series
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
67C0900

RoHS

Each
1+
$137.180
5+
$130.370
10+
$126.290
25+
$122.200
Min: 1 / Mult: 1
DPA51 Series
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
177VAC
550VAC
-
45AC6247

RoHS

Each
1+
$193.770
5+
$184.180
10+
$178.420
25+
$172.670
Min: 1 / Mult: 1
DPA52 Series
SPDT
5A
DIN Rail
-
-
480VAC
208VAC
-
3 Phase
2VA
480VAC
208VAC
CE, CSA, UL
84X8729

RoHS

Date/Lot Code

Each
1+
$359.100
5+
$334.160
10+
$314.200
25+
$292.600
50+
$275.970
More Pricing...
Min: 1 / Mult: 1
K8AK-PM Series
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
4.4VA
380VAC
480VAC
-
05M4096

RoHS

Each
1+
$206.850
5+
$196.560
10+
$190.390
25+
$184.220
Min: 1 / Mult: 1
DPA53 Series
SPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
7VA
160VAC
240VAC
-
41Y4153

RoHS

Each
1+
$440.920
5+
$412.050
10+
$388.940
25+
$363.910
50+
$344.650
More Pricing...
Min: 1 / Mult: 1
K8AK Series
SPDT
5A
DIN Rail
Screw
-
250VAC
24V
-
1 Phase
-
-
-
-
15AJ5694

RoHS

Date/Lot Code

Each
1+
$559.050
5+
$559.050
10+
$559.050
25+
$559.050
50+
$559.050
Min: 1 / Mult: 1
PC1 Series
SPDT
5A
DIN Rail
Screw
-
250VAC
-
-
3 Phase
3VA
190VAC
600VAC
-
09P6672

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
-
DPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
2.9VA
194V
528VAC
-
12AH0513
Each
1+
$307.670
5+
$292.290
10+
$283.060
25+
$273.830
Min: 1 / Mult: 1
DPC01 Series
2 x SPDT
5A
DIN Rail
Screw
-
24VDC
690VAC
-
3 Phase
-
177VAC
793VAC
-
66AH6827

RoHS

Each
1+
$209.870
10+
$199.760
25+
$186.470
50+
$167.190
100+
$156.880
Min: 1 / Mult: 1
Zelio
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
-
-
-
27R0593
Each
1+
$318.310
5+
$302.400
10+
$292.850
25+
$283.300
Min: 1 / Mult: 1
DPC01 Series
2 x SPDT
5A
DIN Rail
Screw
-
24VDC
480VAC
-
3 Phase
-
374VAC
552VAC
-
67AH3181

RoHS

Each
1+
$239.710
10+
$227.260
25+
$209.890
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
Screw
-
250VAC
440VAC
-
3 Phase
22VA
183VAC
484V
-
38Y7644

RoHS

Date/Lot Code

Each
1+
$132.890
5+
$129.940
10+
$126.980
25+
$121.060
50+
$115.140
More Pricing...
Min: 1 / Mult: 1
K8AK-PH Series
DPDT-NC
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
4.1VA
200VAC
480VAC
-
69AK8664

RoHS

Each
1+
$60.490
100+
$60.490
250+
$60.490
500+
$60.490
1000+
$60.490
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+
$89.220
100+
$89.220
250+
$89.220
500+
$89.220
1000+
$89.220
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
240VAC
300V
-
3 Phase
5VA
85V
300V
-
69AK8663

RoHS

Each
1+
$93.490
100+
$85.700
250+
$85.700
500+
$85.700
1000+
$79.110
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
5VA
-
240VAC
-
69AK8666

RoHS

Each
1+
$68.560
100+
$68.560
250+
$68.560
500+
$68.560
1000+
$68.560
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
-
69AK8658

RoHS

Each
1+
$114.270
100+
$104.740
250+
$104.740
500+
$104.740
1000+
$96.680
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
16VA
208VAC
480VAC
-
69AK8655

RoHS

Each
1+
$77.320
100+
$77.320
250+
$77.320
500+
$77.320
1000+
$77.320
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
-
69AK8662

RoHS

Each
1+
$50.570
100+
$50.570
250+
$50.570
500+
$50.570
1000+
$50.570
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
-
69AK8661

RoHS

Each
1+
$47.790
100+
$47.790
250+
$47.790
500+
$47.790
1000+
$47.790
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
-
69AK8660

RoHS

Each
1+
$82.270
100+
$75.410
250+
$75.410
500+
$75.410
1000+
$69.620
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3VA
208VAC
480VAC
-
69AK8667

RoHS

Each
1+
$68.560
100+
$68.560
250+
$68.560
500+
$68.560
1000+
$68.560
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
-
69AK8659

RoHS

Each
1+
$47.480
100+
$47.480
250+
$47.480
500+
$47.480
1000+
$47.480
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3.5VA
208VAC
480VAC
-
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