Phase Monitoring Relays:

130 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
69AK8658

RoHS

Each
1+
$84.430
100+
$77.390
250+
$77.390
500+
$77.390
1000+
$77.390
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
16VA
208VAC
480VAC
-
69AK8655

RoHS

Each
1+
$57.130
100+
$57.130
250+
$57.130
500+
$57.130
1000+
$57.130
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
SPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
-
69AK8662

RoHS

Each
1+
$37.370
100+
$37.370
250+
$37.370
500+
$37.370
1000+
$37.370
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
-
69AK8661

RoHS

Each
1+
$35.310
100+
$35.310
250+
$35.310
500+
$35.310
1000+
$35.310
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
-
69AK8660

RoHS

Each
1+
$60.790
100+
$55.720
250+
$55.720
500+
$55.720
1000+
$51.440
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3VA
208VAC
480VAC
-
69AK8667

RoHS

Each
1+
$50.660
100+
$50.660
250+
$50.660
500+
$50.660
1000+
$50.660
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
-
69AK8659

RoHS

Each
1+
$35.080
100+
$35.080
250+
$35.080
500+
$35.080
1000+
$35.080
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+
$204.490
5+
$178.870
10+
$176.020
Min: 1 / Mult: 1
DPB51 Series
-
SPDT
5A
DIN Rail, Panel
Screw
-
250VAC
-
-
3 Phase
13VA
208VAC
480VAC
-
69AK8665

RoHS

Each
1+
$44.700
100+
$44.700
250+
$44.700
500+
$44.700
1000+
$44.700
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
-
69AK8656

RoHS

Each
1+
$61.480
100+
$61.480
250+
$61.480
500+
$61.480
1000+
$61.480
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
DPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
-
82AK2917
Each
1+
$145.580
Min: 1 / Mult: 1
-
-
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
-
87AK0975
Each
1+
$84.010
10+
$84.010
25+
$84.010
50+
$84.010
100+
$84.010
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
208V
-
3 Phase
2VA
-
208V
-
87AK0978
Each
1+
$85.240
10+
$85.240
25+
$85.240
50+
$85.240
100+
$85.240
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
2VA
-
480VAC
-
87AK0979
Each
1+
$92.650
10+
$92.650
25+
$92.650
50+
$92.650
100+
$92.650
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
575V
-
3 Phase
2VA
-
575V
-
87AK0976
Each
1+
$130.990
10+
$122.020
25+
$114.340
50+
$110.500
100+
$106.650
Min: 1 / Mult: 1
200 Series
-
SPDT
8A
DIN Rail
Screw
-
250VAC
240V
-
3 Phase
2VA
-
240V
-
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
86K0445

RoHS

Each
1+
$256.040
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+
$125.620
5+
$122.490
10+
$119.350
25+
$113.060
50+
$106.790
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
-
08X7281

RoHS

Each
1+
$101.990
10+
$96.890
25+
$91.790
50+
$86.700
100+
$81.590
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+
$313.650
5+
$303.460
10+
$289.410
25+
$275.330
50+
$238.930
Min: 1 / Mult: 1
EMR6
-
DPDT
4A
DIN Rail
Screw
-
250VAC
500VAC
-
3 Phase
3VA
300VAC
500VAC
-
66AH6834

RoHS

Each
1+
$200.950
Min: 1 / Mult: 1
Zelio RM22UA
-
DPDT
8A
DIN Rail
Screw
-
250VAC
240V
-
1 Phase
1.5W
15V
500VAC
-
34AH3014

RoHS

Each
1+
$367.680
5+
$358.880
10+
$350.080
25+
$332.480
Min: 1 / Mult: 1
CM
-
DPDT
4A
DIN Rail
Screwless
-
230VAC
500VAC
-
3 Phase
-
300VAC
500VAC
-
51-75 of 130 items
of 6 page(s)

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