Phase Monitoring Relays:

58 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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1 Filter(s) Selected
ComparePrice forQuantity
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
-
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
-
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
-
16C3184

RoHS

Each
1+
$229.000
5+
$217.550
10+
$210.680
25+
$203.810
Min: 1 / Mult: 1
DPC01 Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
13VA
323VAC
550VAC
-
29M9956

RoHS

Date/Lot Code

Each
1+
$181.340
5+
$176.810
10+
$172.280
25+
$163.210
50+
$154.150
More Pricing...
Min: 1 / Mult: 1
PMP Series
SPDT
10A
Socket
Quick Connect
277VAC
480VAC
3 Phase
40VA
190VAC
500VAC
-
16C3176

RoHS

Each
1+
$119.000
5+
$113.050
10+
$109.480
25+
$105.910
Min: 1 / Mult: 1
DPA01 Series
DPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
10VA
323VAC
550VAC
-
05M4095

RoHS

Each
1+
$126.000
5+
$119.700
10+
$115.920
25+
$112.140
Min: 1 / Mult: 1
DPA01 Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
10VA
177VAC
550VAC
-
34AC8661

RoHS

Date/Lot Code

Each
1+
$186.060
5+
$173.850
10+
$161.640
25+
$152.690
50+
$146.200
Min: 1 / Mult: 1
201A Series
SPDT
10A
Socket
Quick Connect
240VAC
480VAC
3 Phase
5W
190VAC
480VAC
UL
34AC4485

RoHS

Date/Lot Code

Each
1+
$202.850
5+
$191.730
10+
$180.610
25+
$172.440
Min: 1 / Mult: 1
PLMU Series
SPDT
10A
Socket
Quick Connect
240VAC
480VAC
3 Phase
5W
200VAC
480VAC
CSA, UL
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
-
-
-
-
34AC8662

RoHS

Date/Lot Code

Each
1+
$154.960
5+
$143.040
10+
$143.040
25+
$143.040
50+
$143.040
Min: 1 / Mult: 1
201A-AU Series
SPDT
10A
-
Quick Connect
240VAC
480VAC
3 Phase
5W
190VAC
480VAC
UL
06AC2593

RoHS

Date/Lot Code

Each
1+
$173.430
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+
$274.570
5+
$256.510
10+
$238.450
25+
$225.220
Min: 1 / Mult: 1
102A Series
SPDT
10A
Panel Mount
Screw
240VAC
480VAC
3 Phase
5W
190VAC
480VAC
CSA, UL
34AC8900

RoHS

Date/Lot Code

Each
1+
$185.690
5+
$173.510
10+
$161.320
25+
$152.390
50+
$145.910
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail
Screw
240VAC
480VAC
3 Phase
6W
190VAC
480VAC
CE, IEC, 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
-
34AC8897

RoHS

Date/Lot Code

Each
1+
$245.210
5+
$245.210
10+
$245.210
25+
$245.210
Min: 1 / Mult: 1
455 Series
SPDT
10A
Panel Mount
Screw
240VAC
480VAC
3 Phase
6W
190VAC
480VAC
CSA, UL
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
380V
480VAC
-
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
-
50AJ8750

RoHS

Each
1+
$131.600
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
15VA
183VAC
528VAC
-
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
-
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
-
69AK8660

RoHS

Each
1+
$58.320
100+
$53.460
250+
$53.460
500+
$53.460
1000+
$49.350
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
250VAC
480VAC
3 Phase
3VA
208VAC
480VAC
-
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