Phase Monitoring Relays:

134 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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85AK6218

RoHS

Each
1+
$258.590
Min: 1 / Mult: 1
PPB01 Series
-
SPDT
8A
Socket
Plug In
-
250VAC
-
-
3 Phase
2.5VA
380VAC
480VAC
-
69AK8663

RoHS

Each
1+
$131.980
100+
$111.230
250+
$102.190
500+
$98.040
1000+
$93.140
Min: 1 / Mult: 1
-
-
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
5VA
-
240VAC
-
69AK8657

RoHS

Each
1+
$194.630
100+
$164.050
250+
$150.700
500+
$144.590
1000+
$137.350
Min: 1 / Mult: 1
-
-
DPDT
5A
DIN Rail
Screw
-
240VAC
300V
-
3 Phase
5VA
85V
300V
-
69AK8658

RoHS

Each
1+
$161.310
100+
$135.960
250+
$124.890
500+
$119.820
1000+
$113.830
Min: 1 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
16VA
208VAC
480VAC
-
69AK8655

RoHS

Each
1+
$48.860
100+
$48.860
250+
$48.860
500+
$48.860
1000+
$48.860
Min: 1 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
-
69AK8662

RoHS

Each
1+
$110.320
100+
$92.980
250+
$85.420
500+
$81.960
1000+
$77.850
Min: 1 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
-
69AK8661

RoHS

Each
1+
$104.260
100+
$87.880
250+
$80.730
500+
$77.450
1000+
$73.580
Min: 1 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
-
69AK8660

RoHS

Each
1+
$116.130
100+
$97.890
250+
$89.930
500+
$86.270
1000+
$81.960
Min: 1 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3VA
208VAC
480VAC
-
69AK8667

RoHS

Each
1+
$149.570
100+
$126.070
250+
$115.810
500+
$111.100
1000+
$105.550
Min: 1 / Mult: 1
-
-
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
-
69AK8659

RoHS

Each
1+
$30.000
100+
$30.000
250+
$30.000
500+
$30.000
1000+
$30.000
Min: 1 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3.5VA
208VAC
480VAC
-
85AK4169

RoHS

Each
1+
$180.010
5+
$154.570
10+
$151.740
Min: 1 / Mult: 1
DPB51 Series
-
SPDT
5A
DIN Rail, Panel
Screw
-
250VAC
-
-
3 Phase
13VA
208VAC
480VAC
-
69AK8665

RoHS

Each
1+
$131.980
100+
$111.230
250+
$102.190
500+
$98.040
1000+
$93.140
Min: 1 / Mult: 1
-
-
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
-
69AK8656

RoHS

Each
1+
$181.540
100+
$153.010
250+
$140.560
500+
$134.860
1000+
$128.110
Min: 1 / Mult: 1
-
-
DPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
-
82AK2917
Each
1+
$253.280
Min: 1 / Mult: 1
SLU Series
-
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
-
87AK0979
Each
1+
$148.940
10+
$138.350
25+
$129.280
50+
$124.740
100+
$120.210
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
575V
-
3 Phase
2VA
-
575V
-
87AK0978
Each
1+
$124.110
10+
$115.290
25+
$107.730
50+
$103.950
100+
$100.170
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
2VA
-
480VAC
-
87AK0975
Each
1+
$132.390
10+
$122.980
25+
$114.920
50+
$110.880
100+
$106.850
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
240VAC
-
3 Phase
2VA
-
240VAC
-
56Y5878
Each
1+
$23.010
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
240VAC
-
3 Phase
1.7VA
200VAC
240VAC
UL
27C0651

RoHS

Date/Lot Code

Each
1+
$124.380
5+
$121.280
10+
$118.160
25+
$111.950
50+
$105.730
More Pricing...
Min: 1 / Mult: 1
PAP Series
-
SPDT
10A
Socket
Quick Connect
-
277VAC
480VAC
-
3 Phase
40VA
330VAC
380VAC
-
05M4257

RoHS

Each
5+
$150.690
10+
$146.330
25+
$141.960
Min: 5 / Mult: 5
PPA01 Series
-
SPDT
8A
Socket
Quick Connect
-
250VAC
415VAC
-
3 Phase
10VA
177VAC
475VAC
-
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
CM Series
-
DPDT
4A
DIN Rail
Screw
-
24VDC
500VAC
-
3 Phase
-
300VAC
500VAC
CSA, IEC, UL
23AH3161

RoHS

Each
1+
$325.240
5+
$314.910
10+
$300.690
25+
$286.430
50+
$249.580
Min: 1 / Mult: 1
EMR6 Series
-
DPDT
4A
DIN Rail
Screw
-
250VAC
500VAC
-
3 Phase
3VA
300VAC
500VAC
-
51-75 of 134 items
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