Phase Monitoring Relays:

171 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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ComparePrice forQuantity
69AK8663

RoHS

Each
1+
$91.440
100+
$83.830
250+
$83.820
500+
$83.820
1000+
$83.820
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
5VA
-
240VAC
-
69AK8664

RoHS

Each
1+
$59.170
100+
$59.170
250+
$59.170
500+
$59.170
1000+
$59.170
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase, 3 Phase
5VA
-
240VAC
-
69AK8666

RoHS

Each
1+
$67.060
100+
$67.060
250+
$67.060
500+
$67.060
1000+
$67.060
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
-
69AK8657

RoHS

Each
1+
$87.260
100+
$87.260
250+
$87.260
500+
$87.260
1000+
$87.260
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
DPDT
5A
DIN Rail
Screw
-
240VAC
300V
-
3 Phase
5VA
85V
300V
-
69AK8658

RoHS

Each
1+
$111.760
100+
$102.450
250+
$102.450
500+
$102.450
1000+
$102.450
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
16VA
208VAC
480VAC
-
69AK8662

RoHS

Each
1+
$49.460
100+
$49.460
250+
$49.460
500+
$49.460
1000+
$49.460
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
-
69AK8661

RoHS

Each
1+
$46.750
100+
$46.750
250+
$46.750
500+
$46.750
1000+
$46.750
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
-
69AK8660

RoHS

Each
1+
$80.470
100+
$73.770
250+
$73.770
500+
$73.770
1000+
$68.090
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3VA
208VAC
480VAC
-
69AK8667

RoHS

Each
1+
$67.060
100+
$67.060
250+
$67.060
500+
$67.060
1000+
$67.060
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
-
69AK8659

RoHS

Each
1+
$46.440
100+
$46.440
250+
$46.440
500+
$46.440
1000+
$46.440
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+
$270.710
5+
$236.790
10+
$233.010
Min: 1 / Mult: 1
DPB51 Series
-
SPDT
5A
DIN Rail, Panel
Screw
-
250VAC
-
-
3 Phase
13VA
208VAC
480VAC
-
69AK8665

RoHS

Each
1+
$59.170
100+
$59.170
250+
$59.170
500+
$59.170
1000+
$59.170
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
-
69AK8656

RoHS

Each
1+
$81.390
100+
$81.390
250+
$81.390
500+
$81.390
1000+
$81.390
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
DPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
-
82AK2917
Each
1+
$189.380
Min: 1 / Mult: 1
-
-
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
-
87AK0975
Each
1+
$111.210
10+
$111.210
25+
$111.210
50+
$111.210
100+
$111.210
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
208V
-
3 Phase
2VA
-
208V
-
87AK0976
Each
1+
$173.410
10+
$161.540
25+
$151.360
50+
$146.270
100+
$141.190
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
2VA
-
240VAC
-
87AK0978
Each
1+
$112.840
10+
$112.840
25+
$112.840
50+
$112.840
100+
$112.840
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
2VA
-
480VAC
-
87AK0979
Each
1+
$122.650
10+
$122.650
25+
$122.650
50+
$122.650
100+
$122.650
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
575V
-
3 Phase
2VA
-
575V
-
56Y5878
Each
1+
$128.720
Min: 1 / Mult: 1
-
-
SPDT
5A
DIN Rail
Screw
-
250VAC
230VAC
-
3 Phase
8VA
170VAC
290VAC
-
91Y2598

RoHS

Date/Lot Code

Each
1+
$61.300
5+
$61.300
10+
$61.300
25+
$61.300
50+
$61.300
Min: 1 / Mult: 1
K8DT-PM Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
1.7VA
200VAC
240VAC
UL
86K0445

RoHS

Each
1+
$338.940
Min: 1 / Mult: 1
HWUA Series
-
DPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
2.9VA
194VAC
528VAC
-
27C0651

RoHS

Date/Lot Code

Each
1+
$163.190
5+
$159.120
10+
$155.040
25+
$146.870
50+
$138.730
More Pricing...
Min: 1 / Mult: 1
PAP Series
-
SPDT
10A
Socket
Quick Connect
-
277VAC
480VAC
-
3 Phase
40VA
330VAC
380VAC
-
97M4684

RoHS

Each
Pricing is unavailable. Please contact customer services.
Zelio Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1.8VA
183VAC
528VAC
-
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
-
06X0737

RoHS

Each
1+
$226.230
Min: 1 / Mult: 1
SLA Series
-
DPDT
10A
-
Plug In
-
240VAC
-
-
3 Phase
345VA
190V
270V
-
51-75 of 171 items
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