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Phase Monitoring Relays :

116 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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Contact Configuration
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Relay Mounting
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Contact Voltage VAC
Switching Voltage Max
Supply Voltage Max
Contact Voltage VDC
Phase Type
Power Consumption
Phase Monitoring Range Min
Phase Monitoring Range Max
9515399

RoHS

Each
1+RM394.800
-
DPDT
-
DIN Rail
Screw
-
230VAC
500VAC
-
3 Phase
-
-
-
1895997

RoHS

Each
1+RM422.820
5+RM414.370
10+RM405.910
CM-MSE Series
SPST-NO
4A
DIN Rail
Screw
-
250V
130VAC
-
1 Phase
-
110VAC
130VAC
3223356

RoHS

Each
1+RM1,392.160
CM Series
DPDT
4A
DIN Rail
Screwless
-
230VAC
500VAC
-
3 Phase
-
300VAC
500VAC
1896002

RoHS

Each
1+RM526.350
5+RM500.460
10+RM474.560
CM-PBE Series
SPST-NO
-
DIN Rail
Screw
-
-
440VAC
-
3 Phase
-
220VAC
440VAC
1895999

RoHS

Each
1+RM522.820
5+RM512.370
10+RM501.910
CM-PVE Series
SPDT
5A
DIN Rail
Screw
-
300VAC
460VAC
-
3 Phase
-
185VAC
460VAC
3223349

RoHS

Each
1+RM643.370
5+RM630.510
CM Series
DPDT
4A
DIN Rail
Screwless
-
230VAC
500VAC
-
3 Phase
-
200VAC
500VAC
4163403

RoHS

Each
1+RM253.040
5+RM248.070
10+RM242.850
20+RM242.060
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
15VA
-
415VAC
4300430

RoHS

Each
1+RM801.730
PPB01 Series
SPDT
8A
Socket
Plug In
-
250V
-
-
3 Phase
2.5VA
380VAC
480VAC
4163405

RoHS

Each
1+RM319.070
5+RM312.810
10+RM306.190
20+RM295.140
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250V
240VAC
-
1 Phase, 3 Phase
5VA
-
240VAC
4163396

RoHS

Each
1+RM438.960
5+RM430.370
10+RM421.230
20+RM406.080
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
4163407

RoHS

Each
1+RM343.110
5+RM336.430
10+RM329.300
20+RM328.160
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
10VA
-
415VAC
4163406

RoHS

Each
1+RM319.070
5+RM312.810
10+RM306.190
20+RM295.140
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
10VA
-
415VAC
4163398

RoHS

Each
1+RM369.970
5+RM362.840
10+RM355.170
20+RM353.980
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
16VA
208VAC
480VAC
4163408

RoHS

Each
1+RM361.650
5+RM354.570
10+RM347.080
20+RM334.500
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
10VA
-
415VAC
4163399

RoHS

Each
1+RM250.390
5+RM245.480
10+RM240.320
20+RM231.670
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
3.5VA
208VAC
480VAC
2056305

RoHS

Each
1+RM1,306.250
Harmony RM35 Series
DPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
22VA
194VAC
528VAC
2056304

RoHS

Each
1+RM546.000
5+RM535.080
10+RM524.160
Harmony RM17 Series
DPDT
5A
DIN Rail
Screw
-
250V
440VAC
-
3 Phase
22VA
183V
484V
2455513

RoHS

Each
1+RM499.240
5+RM489.260
10+RM479.280
Harmony RM17 Series
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
22VA
-
-
2780442

RoHS

Each
1+RM734.520
Harmony RM22UB Series
DPDT
8A
DIN Rail
Screw
-
250V
240VAC
-
1 Phase
2W
80V
300V
2835320

RoHS

Each
1+RM717.840
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
15VA
380VAC
480VAC
3111268

RoHS

Each
1+RM361.520
5+RM354.290
10+RM347.060
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
15VA
183V
528VAC
4259621
Each
1+RM620.090
-
SPDT
5A
DIN Rail
Screw
-
250V
230VAC
-
3 Phase
8VA
170VAC
290VAC
4259624
Each
1+RM1,073.290
SLU Series
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
2295793

RoHS

Each
1+RM463.200
5+RM453.940
10+RM444.680
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250V
415VAC
-
3 Phase
11VA
380VAC
415VAC
1895998

RoHS

Each
1+RM511.790
5+RM421.220
10+RM412.800
CM-PFE Series
SPDT
4A
DIN Rail
Screw
-
250V
440VAC
-
3 Phase
15VA
208VAC
440VAC
1-25 of 116 items
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