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+
$156.590
5+
$148.890
10+
$144.270
25+
$139.650
Min: 1 / Mult: 1
DPA53 Series
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
320VAC
480VAC
-
86K0442

RoHS

Each
1+
$145.510
Min: 1 / Mult: 1
MWU Series
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
67C0900

RoHS

Each
1+
$98.690
5+
$93.790
10+
$90.850
25+
$87.910
Min: 1 / Mult: 1
DPA51 Series
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
13VA
177VAC
550VAC
-
72Y1070

RoHS

Each
1+
$106.130
5+
$102.250
10+
$100.300
25+
$91.350
50+
$85.860
More Pricing...
Min: 1 / Mult: 1
K8DS
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
-
45AC6247

RoHS

Each
1+
$139.400
5+
$132.500
10+
$128.360
25+
$124.220
Min: 1 / Mult: 1
DPA52 Series
SPDT
5A
DIN Rail
-
-
480VAC
208VAC
-
3 Phase
2VA
480VAC
208VAC
CE, CSA, UL
70Y5750

RoHS

Each
1+
$121.070
5+
$116.650
10+
$114.430
25+
$104.220
50+
$97.960
More Pricing...
Min: 1 / Mult: 1
K8AK
DPDT-NC
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
-
200VAC
480VAC
-
72Y1059

RoHS

Each
1+
$242.140
5+
$228.840
10+
$216.990
25+
$204.350
50+
$195.910
More Pricing...
Min: 1 / Mult: 1
K8AK
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
-
84X8729

RoHS

Date/Lot Code

Each
1+
$258.340
5+
$240.400
10+
$226.040
25+
$210.500
50+
$198.540
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+
$148.810
5+
$141.410
10+
$136.970
25+
$132.530
Min: 1 / Mult: 1
DPA53 Series
SPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
7VA
160VAC
240VAC
-
41Y4153

RoHS

Each
1+
$308.120
5+
$287.940
10+
$271.790
25+
$254.300
50+
$240.840
More Pricing...
Min: 1 / Mult: 1
K8AK Series
SPDT
5A
DIN Rail
Screw
-
250VAC
24V
-
1 Phase
-
-
-
-
15AJ5694

RoHS

Date/Lot Code

Each
1+
$379.850
5+
$379.850
10+
$379.850
25+
$379.850
50+
$379.850
Min: 1 / Mult: 1
PC1 Series
SPDT
5A
DIN Rail
Screw
-
250VAC
-
-
3 Phase
3VA
190VAC
600VAC
-
09P6672

RoHS

Date/Lot Code

Each
1+
$265.900
5+
$259.250
10+
$252.600
25+
$239.310
50+
$226.010
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
2.9VA
194V
528VAC
-
12AH0513
Each
1+
$215.000
5+
$204.250
10+
$197.800
25+
$191.350
Min: 1 / Mult: 1
DPC01 Series
2 x SPDT
5A
DIN Rail
Screw
-
24VDC
690VAC
-
3 Phase
-
177VAC
793VAC
-
66AH6827

RoHS

Each
1+
$155.890
10+
$148.620
25+
$137.190
50+
$123.520
100+
$116.200
Min: 1 / Mult: 1
Zelio
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
-
-
-
27R0593
Each
1+
$229.000
5+
$217.550
10+
$210.680
25+
$203.810
Min: 1 / Mult: 1
DPC01 Series
2 x SPDT
5A
DIN Rail
Screw
-
24VDC
480VAC
-
3 Phase
-
374VAC
552VAC
-
67AH3181

RoHS

Each
1+
$172.880
10+
$164.180
25+
$149.990
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
Screw
-
250VAC
440VAC
-
3 Phase
22VA
183VAC
484V
-
38Y7644

RoHS

Date/Lot Code

Each
1+
$95.600
5+
$93.480
10+
$91.350
25+
$87.090
50+
$82.830
More Pricing...
Min: 1 / Mult: 1
K8AK-PH Series
DPDT-NC
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
4.1VA
200VAC
480VAC
-
69AK8658

RoHS

Each
1+
$81.000
100+
$74.250
250+
$74.250
500+
$74.250
1000+
$68.540
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
16VA
208VAC
480VAC
-
69AK8663

RoHS

Each
1+
$66.280
100+
$60.750
250+
$60.750
500+
$60.750
1000+
$56.080
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
5VA
-
240VAC
-
69AK8664

RoHS

Each
1+
$42.890
100+
$42.890
250+
$42.890
500+
$42.890
1000+
$42.890
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase, 3 Phase
5VA
-
240VAC
-
69AK8666

RoHS

Each
1+
$48.600
100+
$48.600
250+
$48.600
500+
$48.600
1000+
$48.600
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
-
69AK8657

RoHS

Each
1+
$63.250
100+
$63.250
250+
$63.250
500+
$63.250
1000+
$63.250
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
240VAC
300V
-
3 Phase
5VA
85V
300V
-
69AK8655

RoHS

Each
1+
$54.810
100+
$54.810
250+
$54.810
500+
$54.810
1000+
$54.810
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
-
69AK8662

RoHS

Each
1+
$35.850
100+
$35.850
250+
$35.850
500+
$35.850
1000+
$35.850
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
-
69AK8661

RoHS

Each
1+
$34.380
100+
$34.380
250+
$34.380
500+
$34.380
1000+
$34.380
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
-
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