Phase Monitoring Relays:

127 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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69AK8660

RoHS

Each
1+
$62.150
100+
$56.970
250+
$56.970
500+
$56.970
1000+
$52.590
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3VA
208VAC
480VAC
-
69AK8667

RoHS

Each
1+
$51.790
100+
$51.790
250+
$51.790
500+
$51.790
1000+
$51.790
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
-
69AK8659

RoHS

Each
1+
$35.870
100+
$35.870
250+
$35.870
500+
$35.870
1000+
$35.870
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3.5VA
208VAC
480VAC
-
85AK4169

RoHS

Each
1+
$209.070
5+
$182.880
10+
$179.950
Min: 1 / Mult: 1
DPB51 Series
-
SPDT
5A
DIN Rail, Panel
Screw
-
250VAC
-
-
3 Phase
13VA
208VAC
480VAC
-
69AK8665

RoHS

Each
1+
$45.700
100+
$45.700
250+
$45.700
500+
$45.700
1000+
$45.700
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
-
69AK8656

RoHS

Each
1+
$62.860
100+
$62.860
250+
$62.860
500+
$62.860
1000+
$62.860
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
DPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
-
82AK2917
Each
1+
$253.020
Min: 1 / Mult: 1
-
-
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
-
87AK0975
Each
1+
$79.070
10+
$79.070
25+
$79.070
50+
$79.070
100+
$79.070
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
208V
-
3 Phase
2VA
-
208V
-
87AK0976
Each
1+
$122.050
10+
$113.370
25+
$105.940
50+
$102.220
100+
$98.500
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
240V
-
3 Phase
2VA
-
240V
-
87AK0978
Each
1+
$74.120
10+
$74.120
25+
$74.120
50+
$74.120
100+
$74.120
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
2VA
-
480VAC
-
87AK0979
Each
1+
$88.950
10+
$88.950
25+
$88.950
50+
$88.950
100+
$88.950
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
575V
-
3 Phase
2VA
-
575V
-
56Y5878
Each
1+
$98.160
Min: 1 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
-
250VAC
230VAC
-
3 Phase
8VA
170VAC
290VAC
-
91Y2598

RoHS

Date/Lot Code

Each
1+
$47.190
5+
$47.190
10+
$47.190
25+
$47.190
50+
$47.190
Min: 1 / Mult: 1
K8DT-PM Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
240V
-
3 Phase
1.7VA
200VAC
240V
UL
89C4381

RoHS

Each
1+
$175.480
5+
$166.710
10+
$161.450
25+
$156.180
Min: 1 / Mult: 1
DPA01 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
600VAC
-
3 Phase
15VA
323VAC
690VAC
-
27C0651

RoHS

Date/Lot Code

Each
1+
$126.870
5+
$123.700
10+
$120.530
25+
$114.180
50+
$107.850
More Pricing...
Min: 1 / Mult: 1
PAP Series
-
SPDT
10A
Socket
Quick Connect
-
277VAC
480VAC
-
3 Phase
40VA
330VAC
380VAC
-
05M4257

RoHS

Each
5+
$138.250
10+
$133.880
25+
$129.520
Min: 5 / Mult: 5
PPA01 Series
-
SPDT
8A
Socket
Quick Connect
-
250VAC
415VAC
-
3 Phase
10VA
177VAC
475VAC
-
68W6981

RoHS

Each
1+
$145.870
10+
$138.890
25+
$131.910
50+
$124.920
100+
$117.950
Min: 1 / Mult: 1
70 Series
-
SPDT
10A
DIN Rail, Panel
Screw
-
250VAC
415VAC
-
3 Phase
11VA
380VAC
415VAC
-
08X7281

RoHS

Each
1+
$106.720
10+
$101.380
25+
$96.040
50+
$90.710
100+
$85.370
More Pricing...
Min: 1 / Mult: 1
72 Series
250VAC
SPDT
16A
DIN Rail, Panel
Screw
-
24VDC
125VAC
-
1 Phase
2.5VA
-
-
UL
66Y0773

RoHS

Each
1+
$419.320
5+
$408.840
10+
$398.350
25+
$377.380
Min: 1 / Mult: 1
-
-
DPDT
4A
DIN Rail
Screw
-
24VDC
500VAC
-
3 Phase
-
300VAC
500VAC
CSA, IEC, UL
23AH3161

RoHS

Each
1+
$320.680
5+
$310.260
10+
$295.890
25+
$281.500
50+
$244.280
Min: 1 / Mult: 1
EMR6
-
DPDT
4A
DIN Rail
Screw
-
250VAC
500VAC
-
3 Phase
3VA
300VAC
500VAC
-
34AH3014

RoHS

Each
1+
$396.180
5+
$386.670
10+
$377.170
25+
$358.160
Min: 1 / Mult: 1
CM
-
DPDT
4A
DIN Rail
Screwless
-
230VAC
500VAC
-
3 Phase
-
300VAC
500VAC
-
86K0441

RoHS

Each
1+
$134.410
Min: 1 / Mult: 1
MWG Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
25R0991

RoHS

Each
Pricing is unavailable. Please contact customer services.
DPA53 Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
240V
-
3 Phase
7VA
160VAC
240V
-
38Y9927

RoHS

Each
1+
$351.390
5+
$340.680
10+
$323.650
25+
$306.700
Min: 1 / Mult: 1
PMP Series
-
SPDT
10A
-
Quick Connect
-
277VAC
-
-
3 Phase
40VA
345VAC
660VAC
CE, UL
45AC6248

RoHS

Each
5+
$189.540
10+
$183.620
25+
$177.700
Min: 5 / Mult: 5
DPB52 Series
-
SPDT
5A
DIN Rail
-
-
480VAC
208V
-
3 Phase
2VA
480VAC
208V
CE, CSA, UL
51-75 of 127 items
of 6 page(s)

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