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Phase Monitoring Relays:

125 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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16C3184

RoHS

2 In stock
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
-
86K0442

RoHS

7 In stock
Each
1+
$145.510
Min: 1 / Mult: 1
MWU Series
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
89C4381

RoHS

Date/Lot Code

39 In stock
Each
1+
$164.000
5+
$155.800
10+
$150.880
25+
$145.960
Min: 1 / Mult: 1
DPA01 Series
SPDT
8A
DIN Rail
Screw
-
250VAC
600VAC
-
3 Phase
15VA
323VAC
690VAC
-
05M4097

RoHS

9 In stock
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
-
29M7937

RoHS

Date/Lot Code

5 In stock
Each
1+
$238.230
5+
$232.280
10+
$226.330
25+
$214.420
50+
$202.500
More Pricing...
Min: 1 / Mult: 1
PMD Series
DPDT
10A
DIN Rail
Cage Clamp
-
277VAC
500VAC
-
3 Phase
40VA
190VAC
500VAC
CE, CUL
67C0900

RoHS

19 In stock
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
-
16C3176

RoHS

16 In stock
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

47 In stock
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
-
89C4384

RoHS

3 In stock
Each
1+
$352.000
5+
$334.400
10+
$323.840
25+
$313.280
Min: 1 / Mult: 1
DPC01 Series
SPDT
8A
DIN Rail
Screw
-
250VAC
690VAC
-
3 Phase
21VA
510VAC
793VAC
-
29X6960

RoHS

Date/Lot Code

217 In stock
Supplier Direct Ship. Ship in 2-3 Days
Each
Supplier Direct Ship
Non-Cancellable / Non-Returnable
1+
$289.900
5+
$271.060
10+
$262.360
25+
$253.660
50+
$240.620
Min: 1 / Mult: 1
K8AK Series
SPDT
-
DIN Rail
Screw
-
-
240VAC
-
-
-
-
-
-
47X2115

RoHS

2 In stock
Each
1+
$114.160
Min: 1 / Mult: 1
MWS Series
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
183VAC
528VAC
-
72Y1070

RoHS

21 In stock
Delivery in 2-4 business days from our UK warehouse
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
-
-
-
-
66Y0750

RoHS

6 In stock
Each
1+
$184.080
10+
$174.880
25+
$165.670
50+
$156.470
100+
$147.260
Min: 1 / Mult: 1
-
DPDT
4A
DIN Rail
Screw
-
24V
500VAC
-
3 Phase
-
200VAC
500VAC
CSA, IEC, UL
06AC2593

RoHS

Date/Lot Code

1 In stock
Each
1+
$173.430
Min: 1 / Mult: 1
Zelio Series
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
380V
480VAC
-
45AC6247

RoHS

11 In stock
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
34AC8900

RoHS

Date/Lot Code

50 In stock
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

5 In stock
Delivery in 2-4 business days from our UK warehouse
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

9 In stock
Delivery in 2-4 business days from our UK warehouse
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
-
-
-
-
66AH6834

RoHS

3 In stock
Delivery in 2-4 business days from our UK warehouse
Each
1+
$192.100
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase
1.5W
15V
500VAC
-
84X8729

RoHS

Date/Lot Code

140 In stock
Supplier Direct Ship. Ship in 2-3 Days
Each
Supplier Direct Ship
Non-Cancellable / Non-Returnable
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
-
66AH6836

RoHS

2 In stock
Delivery in 2-4 business days from our UK warehouse
Each
1+
$168.230
Min: 1 / Mult: 1
Zelio RM22UB
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase
2VA
80V
300V
-
05M4096

RoHS

5 In stock
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

58 In stock
Supplier Direct Ship. Ship in 2-3 Days
Each
Supplier Direct Ship
Non-Cancellable / Non-Returnable
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
-
-
-
-
55AJ2777

RoHS

3 In stock
Delivery in 2-4 business days from our UK warehouse
Each
1+
$209.480
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250VAC
576VAC
-
3 Phase
15VA
380V
480VAC
-
15AJ5694

RoHS

Date/Lot Code

2 In stock
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
-
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