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

Each
1+
$257.850
5+
$246.450
10+
$239.610
25+
$232.770
Min: 1 / Mult: 1
DPA01 Series
SPDT
8A
DIN Rail
Screw
250VAC
600VAC
3 Phase
15VA
323VAC
690VAC
-
16C3184

RoHS

Each
1+
$360.040
5+
$344.130
10+
$334.580
25+
$325.030
Min: 1 / Mult: 1
DPC01 Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
13VA
323VAC
550VAC
-
16C3176

RoHS

Each
1+
$187.100
5+
$178.830
10+
$173.870
25+
$168.900
Min: 1 / Mult: 1
DPA01 Series
DPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
10VA
323VAC
550VAC
-
05M4095

RoHS

Each
1+
$198.110
5+
$189.350
10+
$184.100
25+
$178.840
Min: 1 / Mult: 1
DPA01 Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
10VA
177VAC
550VAC
-
89C4384

RoHS

Each
1+
$553.430
5+
$528.970
10+
$514.290
25+
$499.610
Min: 1 / Mult: 1
DPC01 Series
SPDT
8A
DIN Rail
Screw
250VAC
690VAC
3 Phase
21VA
510VAC
793VAC
-
47X2115

RoHS

Each
1+
$180.800
Min: 1 / Mult: 1
MWS Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
22VA
183V
528V
-
66AH6834

RoHS

Each
1+
$278.990
Min: 1 / Mult: 1
Harmony RM22UA Series
DPDT
8A
DIN Rail
Screw
250VAC
240V
1 Phase
1.5W
15V
500V
-
66AH6836

RoHS

Each
1+
$235.540
Min: 1 / Mult: 1
Harmony RM22UB Series
DPDT
8A
DIN Rail
Screw
250VAC
240V
1 Phase
2W
80V
300V
-
43W4762

RoHS

Date/Lot Code

Each
1+
$720.500
5+
$689.430
10+
$670.790
25+
$652.150
Min: 1 / Mult: 1
S142A Series
SPDT
8A
Socket
PC Pin
250VAC
24VAC
-
3.3VA
20.4VAC
27.6VAC
-
50AJ8750

RoHS

Each
1+
$152.380
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
15VA
183V
528V
-
26AK3439

RoHS

Each
1+
$270.150
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT-CO
8A
DIN Rail
Screw
250VAC
576VAC
3 Phase
4VA
208VAC
480VAC
-
27R1423

RoHS

Date/Lot Code

Each
1+
$720.500
5+
$689.430
10+
$670.790
25+
$652.150
Min: 1 / Mult: 1
S142A Series
SPDT
8A
Socket
PC Pin
250VAC
24VAC
-
3.3VA
20.4VAC
27.6VAC
-
06AC2593

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
15VA
380V
480VAC
-
85AK6218

RoHS

Each
1+
$342.800
Min: 1 / Mult: 1
PPB01 Series
SPDT
8A
Socket
Plug In
250VAC
-
3 Phase
2.5VA
380V
480VAC
-
87AK0975
Each
1+
$175.260
10+
$162.800
25+
$152.130
50+
$146.790
100+
$141.450
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
Screw
250VAC
208V
3 Phase
2W
-
208V
-
87AK0978
Each
1+
$164.300
10+
$152.630
25+
$142.620
50+
$137.610
100+
$132.610
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
2W
-
480VAC
-
87AK0979
Each
1+
$197.160
10+
$183.150
25+
$171.140
50+
$165.140
100+
$159.130
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+
$284.020
10+
$276.140
25+
$268.260
Min: 5 / Mult: 5
DPB01 Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
13VA
323VAC
550VAC
-
05M4257

RoHS

Each
5+
$204.380
10+
$198.700
25+
$193.030
Min: 5 / Mult: 5
PPA01 Series
SPDT
8A
Socket
Quick Connect
250VAC
415VAC
3 Phase
10VA
177VAC
475VAC
-
16C3183

RoHS

Each
1+
$360.040
5+
$344.130
10+
$334.580
25+
$325.030
Min: 3 / Mult: 3
DPC01 Series
SPDT
8A
DIN Rail
Screw
250VAC
240V
3 Phase
9VA
177VAC
275VAC
-
55AJ2778

RoHS

Each
1+
$287.720
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
250VAC
240V
3 Phase
10VA
200VAC
240V
-
31M9800

RoHS

Each
1+
$382.250
5+
$363.140
10+
$351.670
25+
$340.210
Min: 3 / Mult: 3
DPC01 Series
DPDT
8A
Socket
Quick Connect
250VAC
115VAC
3 Phase
8VA
85VAC
132VAC
CSA, UL
93C1876

RoHS

Each
5+
$351.650
10+
$341.890
25+
$332.130
Min: 5 / Mult: 5
DWB01 Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
13VA
-
480VAC
-
50M2856

RoHS

Each
5+
$246.450
10+
$239.610
25+
$232.770
Min: 5 / Mult: 5
DPA01 Series
SPDT
8A
DIN Rail
Screw
250VAC
690VAC
3 Phase
15VA
510VAC
760VAC
-
1-25 of 42 items
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