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Phase Monitoring Relays :

114 Products Found

Element14 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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Manufacturer Part No
Order Code
Manufacturer / Description
Availability
Price For
Price (inc GST)
Quantity
Product Range
Contact Configuration
Contact Current
Relay Mounting
Relay Terminals
Contact Voltage VAC
Switching Voltage Max
Supply Voltage Max
Contact Voltage VDC
Phase Type
Power Consumption
Phase Monitoring Range Min
Phase Monitoring Range Max
1344233

RoHS

Each
1+ S$107.990(S$117.7091)
5+ S$105.840(S$115.3656)
10+ S$103.680(S$113.0112)
70 Series
SPDT
6A
DIN Rail
Screw
-
250V
480V
-
3 Phase
1W
208VAC
480VAC
2056305

RoHS

Each
1+ S$354.430(S$386.3287)
Harmony RM35 Series
DPDT
5A
DIN Rail
Screw
-
250V
480V
-
3 Phase
22VA
194VAC
528VAC
2295793

RoHS

Each
1+ S$173.750(S$189.3875)
5+ S$170.280(S$185.6052)
10+ S$166.800(S$181.812)
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250V
415VAC
-
3 Phase
11VA
380VAC
415VAC
3214139

RoHS

Each
1+ S$485.100(S$528.759)
EMR6 Series
DPDT
4A
DIN Rail
Screw
-
250V
500VAC
-
3 Phase
18VA
300VAC
500VAC
9515399

RoHS

Each
1+ S$107.650(S$117.3385)
-
DPDT
-
DIN Rail
Screw
-
230VAC
500VAC
-
3 Phase
-
-
-
4914064

RoHS

Each
1+ S$300.950(S$328.0355)
EMD-SL Series
DPDT
5A
DIN Rail
Screw
-
400VAC
690V
-
3 Phase
1.2W
187VAC
519VAC
1853734

RoHS

Each
1+ S$150.020(S$163.5218)
5+ S$143.000(S$155.870)
10+ S$140.140(S$152.7526)
-
SPDT-NO
-
DIN Rail
Screw
-
-
230VAC
-
1 Phase
6VA
-
-
2102326

RoHS

Each
1+ S$172.850(S$188.4065)
5+ S$142.260(S$155.0634)
10+ S$139.420(S$151.9678)
CM Series
SPDT
-
DIN Rail
Screw
-
24V
500VAC
-
3 Phase
-
200V
500VAC
1895997

RoHS

Each
1+ S$118.200(S$128.838)
5+ S$115.840(S$126.2656)
10+ S$113.480(S$123.6932)
CM-MSE Series
SPST-NO
4A
DIN Rail
Screw
-
250V
130VAC
-
1 Phase
-
110VAC
130VAC
3223356

RoHS

Each
1+ S$417.160(S$454.7044)
CM Series
DPDT
4A
DIN Rail
Screwless
-
230VAC
500VAC
-
3 Phase
-
300VAC
500VAC
1896002

RoHS

Each
1+ S$151.920(S$165.5928)
5+ S$143.910(S$156.8619)
10+ S$135.900(S$148.131)
CM-PBE Series
SPST-NO
-
DIN Rail
Screw
-
-
440VAC
-
3 Phase
-
220VAC
440VAC
1895999

RoHS

Each
1+ S$180.010(S$196.2109)
5+ S$166.430(S$181.4087)
10+ S$152.840(S$166.5956)
CM-PVE Series
SPDT
5A
DIN Rail
Screw
-
300VAC
460VAC
-
3 Phase
-
185VAC
460VAC
3223349

RoHS

Each
1+ S$182.220(S$198.6198)
5+ S$150.820(S$164.3938)
CM Series
DPDT
4A
DIN Rail
Screwless
-
230VAC
500VAC
-
3 Phase
-
200V
500VAC
4163403

RoHS

Each
1+ S$67.180(S$73.2262)
5+ S$65.750(S$71.6675)
10+ S$64.240(S$70.0216)
20+ S$61.720(S$67.2748)
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
15VA
-
415VAC
4300430

RoHS

Each
1+ S$272.440(S$296.9596)
PPB01 Series
SPDT
8A
Socket
Plug In
-
250V
-
-
3 Phase
2.5VA
380VAC
480VAC
4163405

RoHS

Each
1+ S$85.100(S$92.759)
5+ S$83.290(S$90.7861)
10+ S$81.380(S$88.7042)
20+ S$78.180(S$85.2162)
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250V
240VAC
-
1 Phase, 3 Phase
5VA
-
240VAC
4163396

RoHS

Each
1+ S$117.070(S$127.6063)
5+ S$114.590(S$124.9031)
10+ S$111.950(S$122.0255)
20+ S$107.570(S$117.2513)
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
4163407

RoHS

Each
1+ S$91.100(S$99.299)
5+ S$89.170(S$97.1953)
10+ S$87.110(S$94.9499)
20+ S$83.690(S$91.2221)
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
10VA
-
415VAC
4163406

RoHS

Each
1+ S$85.100(S$92.759)
5+ S$83.290(S$90.7861)
10+ S$81.380(S$88.7042)
20+ S$78.180(S$85.2162)
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
10VA
-
415VAC
4163408

RoHS

Each
1+ S$96.450(S$105.1305)
5+ S$94.410(S$102.9069)
10+ S$92.250(S$100.5525)
20+ S$88.610(S$96.5849)
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
10VA
-
415VAC
4163398

RoHS

Each
1+ S$98.230(S$107.0707)
5+ S$96.170(S$104.8253)
10+ S$93.950(S$102.4055)
20+ S$90.270(S$98.3943)
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250V
480V
-
3 Phase
16VA
208VAC
480VAC
4163399

RoHS

Each
1+ S$66.780(S$72.7902)
5+ S$65.360(S$71.2424)
10+ S$63.870(S$69.6183)
20+ S$61.370(S$66.8933)
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250V
480V
-
3 Phase
3.5VA
208VAC
480VAC
2056304

RoHS

Each
1+ S$259.400(S$282.746)
5+ S$254.220(S$277.0998)
10+ S$249.030(S$271.4427)
Harmony RM17 Series
DPDT
5A
DIN Rail
Screw
-
250V
440VAC
-
3 Phase
22VA
183V
484V
2455513

RoHS

Each
1+ S$155.710(S$169.7239)
5+ S$151.030(S$164.6227)
10+ S$148.010(S$161.3309)
Harmony RM17 Series
SPDT
5A
DIN Rail
Screw
-
250V
480V
-
3 Phase
22VA
-
-
3111268

RoHS

Each
1+ S$120.180(S$130.9962)
5+ S$117.780(S$128.3802)
10+ S$115.380(S$125.7642)
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
-
250V
480V
-
3 Phase
15VA
183V
528VAC
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