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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ComparePrice forQuantity
89C4381

RoHS

Each
1+
$227.960
5+
$216.570
10+
$209.730
25+
$202.890
Min: 1 / Mult: 1
DPA01 Series
SPDT
8A
DIN Rail
Screw
250VAC
600VAC
3 Phase
15VA
323VAC
690VAC
-
16C3184

RoHS

Each
1+
$318.310
5+
$302.400
10+
$292.850
25+
$283.300
Min: 1 / Mult: 1
DPC01 Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
13VA
323VAC
550VAC
-
16C3176

RoHS

Each
1+
$165.410
5+
$157.140
10+
$152.180
25+
$147.220
Min: 1 / Mult: 1
DPA01 Series
DPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
10VA
323VAC
550VAC
-
05M4095

RoHS

Each
1+
$175.140
5+
$166.390
10+
$161.130
25+
$155.880
Min: 1 / Mult: 1
DPA01 Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
10VA
177VAC
550VAC
-
89C4384

RoHS

Each
1+
$489.280
5+
$464.820
10+
$450.140
25+
$435.460
Min: 1 / Mult: 1
DPC01 Series
SPDT
8A
DIN Rail
Screw
250VAC
690VAC
3 Phase
21VA
510VAC
793VAC
-
47X2115

RoHS

Each
1+
$158.690
Min: 1 / Mult: 1
MWS Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
22VA
183V
528V
-
06AC2593

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
Zelio Series
DPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
15VA
380V
480V
-
66AH6834

RoHS

Each
1+
$261.730
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
Screw
250VAC
240V
1 Phase
1.5W
15V
500V
-
66AH6836

RoHS

Each
1+
$225.340
Min: 1 / Mult: 1
Zelio RM22UB
DPDT
8A
DIN Rail
Screw
250VAC
240V
1 Phase
2W
80V
300V
-
55AJ2777

RoHS

Each
1+
$287.300
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
250VAC
576VAC
3 Phase
15VA
380V
480V
-
43W4762

RoHS

Date/Lot Code

Each
1+
$621.330
5+
$590.270
10+
$571.630
25+
$552.990
Min: 1 / Mult: 1
S142A Series
SPDT
8A
Socket
PC Pin
250VAC
24VAC
-
3.3VA
20.4VAC
27.6VAC
-
50AJ8750

RoHS

Each
1+
$177.590
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
15VA
183V
528V
-
26AK3439

RoHS

Each
1+
$230.350
5+
$219.180
10+
$210.920
25+
$202.600
50+
$187.060
Min: 1 / Mult: 1
-
DPDT-CO
8A
DIN Rail
Screw
250VAC
576VAC
3 Phase
4VA
208VAC
480V
-
27R1423

RoHS

Date/Lot Code

Each
1+
$416.660
5+
$416.660
10+
$416.660
25+
$416.660
Min: 1 / Mult: 1
S142A Series
SPDT
8A
Socket
PC Pin
250VAC
24VAC
-
3.3VA
20.4VAC
27.6VAC
-
85AK6218

RoHS

Each
1+
$336.270
Min: 1 / Mult: 1
PPB01 Series
SPDT
8A
Socket
Plug In
250VAC
-
3 Phase
2.5VA
380V
480V
-
87AK0975
Each
1+
$104.670
10+
$104.670
25+
$104.670
50+
$104.670
100+
$104.670
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
Screw
250VAC
208V
3 Phase
2W
-
208V
-
87AK0978
Each
1+
$98.120
10+
$98.120
25+
$98.120
50+
$98.120
100+
$98.120
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
2W
-
480V
-
87AK0979
Each
1+
$117.750
10+
$117.750
25+
$117.750
50+
$117.750
100+
$117.750
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
Screw
250VAC
575V
3 Phase
2W
-
575V
-
87AK0976
Each
1+
$161.560
10+
$150.080
25+
$140.240
50+
$135.320
100+
$130.400
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
Screw
250VAC
240V
3 Phase
2W
-
240V
-
06M3827

RoHS

Each
5+
$249.580
10+
$241.700
25+
$233.820
Min: 5 / Mult: 5
DPB01 Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
13VA
323VAC
550VAC
-
05M4257

RoHS

Each
5+
$179.590
10+
$173.920
25+
$168.250
Min: 5 / Mult: 5
PPA01 Series
SPDT
8A
Socket
Quick Connect
250VAC
415VAC
3 Phase
10VA
177VAC
475VAC
-
16C3183

RoHS

Each
1+
$318.310
5+
$302.400
10+
$292.850
25+
$283.300
Min: 3 / Mult: 3
DPC01 Series
SPDT
8A
DIN Rail
Screw
250VAC
240V
3 Phase
9VA
177VAC
275VAC
-
55AJ2778

RoHS

Each
1+
$337.790
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
250VAC
240V
3 Phase
10VA
200VAC
240V
-
31M9800

RoHS

Each
1+
$740.870
Min: 3 / Mult: 1
DPC01 Series
DPDT
8A
Socket
Quick Connect
250VAC
115VAC
3 Phase
8VA
85VAC
132VAC
CSA, UL
93C1876

RoHS

Each
5+
$309.000
10+
$299.240
25+
$289.490
Min: 5 / Mult: 5
DWB01 Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
13VA
-
480V
-
1-25 of 42 items
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