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Phase Monitoring Relays :

101 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
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
2780442

RoHS

Each
1+Rs.15,687.400
Harmony RM22UB Series
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase
2W
80V
300V
4163401

RoHS

Each
1+Rs.5,642.330
5+Rs.5,528.870
10+Rs.5,407.680
20+Rs.5,274.750
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3VA
208VAC
480VAC
4163403

RoHS

Each
1+Rs.5,383.670
5+Rs.5,274.080
10+Rs.5,159.330
20+Rs.5,009.720
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
4163407

RoHS

Each
1+Rs.7,300.050
5+Rs.7,153.070
10+Rs.6,995.780
20+Rs.6,791.680
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
4163405

RoHS

Each
1+Rs.6,801.070
5+Rs.6,663.120
10+Rs.6,517.420
20+Rs.6,273.750
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase, 3 Phase
5VA
-
240VAC
4163396

RoHS

Each
1+Rs.9,356.700
5+Rs.9,167.170
10+Rs.8,966.040
20+Rs.8,632.110
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
4163406

RoHS

Each
1+Rs.6,801.070
5+Rs.6,663.120
10+Rs.6,517.420
20+Rs.6,273.750
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
4163398

RoHS

Each
1+Rs.7,871.730
5+Rs.7,714.430
10+Rs.7,545.530
20+Rs.7,326.050
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
16VA
208VAC
480VAC
4163397

RoHS

Each
1+Rs.12,762.790
5+Rs.12,123.300
10+Rs.11,826.760
20+Rs.11,545.690
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
240VAC
300V
-
3 Phase
5VA
85V
300V
4163408

RoHS

Each
1+Rs.7,708.760
5+Rs.7,552.750
10+Rs.7,387.720
20+Rs.7,110.520
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
4163399

RoHS

Each
1+Rs.5,336.930
5+Rs.5,228.630
10+Rs.5,115.170
20+Rs.4,924.350
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3.5VA
208VAC
480VAC
2056305

RoHS

Each
1+Rs.29,805.010
Harmony RM35 Series
DPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
194VAC
528VAC
2056304

RoHS

Each
1+Rs.13,376.250
5+Rs.13,108.730
10+Rs.12,841.200
Harmony RM17 Series
DPDT
5A
DIN Rail
Screw
-
250VAC
440VAC
-
3 Phase
22VA
183V
484V
1344233

RoHS

Each
1+Rs.7,086.680
5+Rs.6,900.190
10+Rs.6,762.190
70 Series
SPDT
6A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1W
208VAC
480VAC
2455513

RoHS

Each
1+Rs.12,177.800
5+Rs.11,934.250
10+Rs.11,690.690
Harmony RM17 Series
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
-
-
2835320

RoHS

Each
1+Rs.15,370.850
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
380V
480VAC
3111268

RoHS

Each
1+Rs.8,773.370
5+Rs.8,597.910
10+Rs.8,422.440
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
183V
528VAC
2295793

RoHS

Each
1+Rs.12,257.210
5+Rs.12,012.070
10+Rs.11,766.930
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250VAC
415VAC
-
3 Phase
11VA
380V
415VAC
1895998

RoHS

Each
1+Rs.13,578.960
5+Rs.13,054.880
10+Rs.12,530.800
CM-PFE Series
SPDT
4A
DIN Rail
Screw
-
250VAC
440VAC
-
3 Phase
15VA
208VAC
440VAC
2102326

RoHS

Each
1+Rs.12,833.570
5+Rs.12,576.900
10+Rs.12,320.230
CM Series
SPDT
-
DIN Rail
Screw
-
24V
500VAC
-
3 Phase
-
200V
500VAC
3111267

RoHS

Each
1+Rs.13,353.580
5+Rs.13,086.510
10+Rs.12,819.440
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
-
250VAC
576VAC
-
3 Phase
15VA
380V
480VAC
3214134

RoHS

Each
1+Rs.27,591.400
EMR6 Series
DPDT
4A
DIN Rail
Screw
-
250VAC
500VAC
-
3 Phase
3VA
300VAC
500VAC
4259621
Each
1+Rs.12,963.940
-
SPDT
5A
DIN Rail
Screw
-
250VAC
230VAC
-
3 Phase
8VA
170VAC
290VAC
4259624
Each
1+Rs.21,719.560
SLU Series
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200V
430VAC
1895997

RoHS

Each
1+Rs.6,773.150
CM-MSE Series
SPST-NO
4A
DIN Rail
Screw
-
250VAC
130VAC
-
1 Phase
-
110VAC
130VAC
1-25 of 101 items
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