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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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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
-
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
-
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
-
47X2115

RoHS

Available to Order
Manufacturer Standard Lead Time: 17 week(s)
Each
1+
$114.160
Min: 1 / Mult: 1
MWS Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
22VA
183V
528V
-
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
480V
-
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
240V
1 Phase
1.5W
15V
500V
-
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
240V
1 Phase
2W
80V
300V
-
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
480V
-
43W4762

RoHS

Date/Lot Code

3 In stock
Each
1+
$447.000
5+
$424.650
10+
$411.240
25+
$397.830
Min: 1 / Mult: 1
S142A Series
SPDT
8A
Socket
PC Pin
250VAC
24VAC
-
3.3VA
20.4VAC
27.6VAC
-
50AJ8750

RoHS

9 In stock
Delivery in 2-4 business days from our UK warehouse
Each
1+
$131.600
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
15VA
183V
528V
-
26AK3439

RoHS

2 In stock
Delivery in 2-4 business days from our UK warehouse
Each
1+
$172.620
5+
$164.690
10+
$158.840
25+
$152.930
50+
$141.920
Min: 1 / Mult: 1
-
DPDT-CO
8A
DIN Rail
Screw
250VAC
576VAC
3 Phase
4VA
208VAC
480V
-
27R1423

RoHS

Date/Lot Code

4 In stock
Each
1+
$299.760
5+
$299.760
10+
$299.760
25+
$299.760
Min: 1 / Mult: 1
S142A Series
SPDT
8A
Socket
PC Pin
250VAC
24VAC
-
3.3VA
20.4VAC
27.6VAC
-
85AK6218

RoHS

5 In stock
Delivery in 2-4 business days from our UK warehouse
Each
1+
$234.990
Min: 1 / Mult: 1
PPB01 Series
SPDT
8A
Socket
Plug In
250VAC
-
3 Phase
2.5VA
380V
480V
-
87AK0975
5 In stock
Each
1+
$75.300
10+
$75.300
25+
$75.300
50+
$75.300
100+
$75.300
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
Screw
250VAC
208V
3 Phase
2W
-
208V
-
87AK0978
4 In stock
Each
1+
$70.590
10+
$70.590
25+
$70.590
50+
$70.590
100+
$70.590
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
2W
-
480V
-
87AK0979
5 In stock
Each
1+
$84.710
10+
$84.710
25+
$84.710
50+
$84.710
100+
$84.710
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
Screw
250VAC
575V
3 Phase
2W
-
575V
-
87AK0976
10 In stock
Each
1+
$116.230
10+
$107.970
25+
$100.890
50+
$97.350
100+
$93.810
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
Screw
250VAC
240V
3 Phase
2W
-
240V
-
06M3827

RoHS

Available to Order
Manufacturer Standard Lead Time: 4 week(s)
Each
Non-Cancellable / Non-Returnable
5+
$179.550
10+
$173.880
25+
$168.210
Min: 5 / Mult: 5
DPB01 Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
13VA
323VAC
550VAC
-
05M4257

RoHS

Available to Order
Manufacturer Standard Lead Time: 10 week(s)
Each
Non-Cancellable / Non-Returnable
5+
$129.200
10+
$125.120
25+
$121.040
Min: 5 / Mult: 5
PPA01 Series
SPDT
8A
Socket
Quick Connect
250VAC
415VAC
3 Phase
10VA
177VAC
475VAC
-
16C3183

RoHS

Available to Order
Manufacturer Standard Lead Time: 12 week(s)
Each
Non-Cancellable / Non-Returnable
1+
$229.000
5+
$217.550
10+
$210.680
25+
$203.810
Min: 3 / Mult: 3
DPC01 Series
SPDT
8A
DIN Rail
Screw
250VAC
240V
3 Phase
9VA
177VAC
275VAC
-
55AJ2778

RoHS

Available to Order
Manufacturer Standard Lead Time: 12 week(s)
Each
1+
$249.890
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
250VAC
240V
3 Phase
10VA
200VAC
240V
-
31M9800

RoHS

Available to Order
Manufacturer Standard Lead Time: 10 week(s)
Each
Non-Cancellable / Non-Returnable
1+
$533.000
Min: 3 / Mult: 1
DPC01 Series
DPDT
8A
Socket
Quick Connect
250VAC
115VAC
3 Phase
8VA
85VAC
132VAC
CSA, UL
93C1876

RoHS

Available to Order
Manufacturer Standard Lead Time: 12 week(s)
Each
Non-Cancellable / Non-Returnable
5+
$222.300
10+
$215.280
25+
$208.260
Min: 5 / Mult: 5
DWB01 Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
13VA
-
480V
-
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