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Phase Monitoring Relays :

111 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
9515399

RoHS

Each
1+HK$665.360
-
DPDT
-
DIN Rail
Screw
-
230VAC
500VAC
-
3 Phase
-
-
-
2780442

RoHS

Each
1+HK$1,282.080
Harmony RM22UB Series
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase
2W
80V
300V
4163401

RoHS

Each
1+HK$469.880
5+HK$459.020
10+HK$448.260
20+HK$430.800
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3VA
208VAC
480VAC
4163403

RoHS

Each
1+HK$423.340
5+HK$414.290
10+HK$404.810
20+HK$388.940
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
4163407

RoHS

Each
1+HK$574.040
5+HK$561.900
10+HK$548.910
20+HK$527.390
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
4163405

RoHS

Each
1+HK$536.230
5+HK$524.840
10+HK$512.800
20+HK$492.670
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase, 3 Phase
5VA
-
240VAC
4163396

RoHS

Each
1+HK$737.730
5+HK$722.070
10+HK$705.460
20+HK$677.880
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
4163406

RoHS

Each
1+HK$536.230
5+HK$524.840
10+HK$512.800
20+HK$492.670
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
4163398

RoHS

Each
1+HK$618.980
5+HK$605.990
10+HK$592.040
20+HK$568.820
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
16VA
208VAC
480VAC
4163397

RoHS

Each
1+HK$1,059.790
5+HK$1,002.490
10+HK$976.080
20+HK$951.050
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
240VAC
300V
-
3 Phase
5VA
85V
300V
4163408

RoHS

Each
1+HK$607.800
5+HK$594.910
10+HK$581.280
20+HK$558.380
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
4163399

RoHS

Each
1+HK$420.790
5+HK$411.840
10+HK$402.470
20+HK$386.710
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3.5VA
208VAC
480VAC
2056305

RoHS

Each
1+HK$2,145.190
Harmony RM35 Series
DPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
194VAC
528VAC
2056304

RoHS

Each
1+HK$1,587.520
5+HK$1,555.770
10+HK$1,524.020
Harmony RM17 Series
DPDT
5A
DIN Rail
Screw
-
250VAC
440VAC
-
3 Phase
22VA
183V
484V
1344233

RoHS

Each
1+HK$644.100
5+HK$631.220
10+HK$618.340
70 Series
SPDT
6A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1W
208VAC
480VAC
2455513

RoHS

Each
1+HK$951.370
5+HK$922.770
10+HK$904.320
Harmony RM17 Series
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
-
-
3111268

RoHS

Each
1+HK$730.840
5+HK$716.230
10+HK$701.610
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
183V
528VAC
2835320

RoHS

Each
1+HK$1,261.050
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
380V
480VAC
2295793

RoHS

Each
1+HK$1,061.540
5+HK$1,040.310
10+HK$1,019.080
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250VAC
415VAC
-
3 Phase
11VA
380V
415VAC
1895998

RoHS

Each
1+HK$885.860
5+HK$859.290
10+HK$842.110
CM-PFE Series
SPDT
4A
DIN Rail
Screw
-
250VAC
440VAC
-
3 Phase
15VA
208VAC
440VAC
2102326

RoHS

Each
1+HK$1,064.080
5+HK$875.770
10+HK$858.260
CM Series
SPDT
-
DIN Rail
Screw
-
24V
500VAC
-
3 Phase
-
200V
500VAC
3111267

RoHS

Each
1+HK$1,129.220
5+HK$1,106.640
10+HK$1,084.060
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
-
250VAC
576VAC
-
3 Phase
15VA
380V
480VAC
3214134

RoHS

Each
1+HK$3,149.210
EMR6 Series
DPDT
4A
DIN Rail
Screw
-
250VAC
500VAC
-
3 Phase
3VA
300VAC
500VAC
4259621
Each
1+HK$876.930
-
SPDT
5A
DIN Rail
Screw
-
250VAC
230VAC
-
3 Phase
8VA
170VAC
290VAC
4259624
Each
1+HK$1,631.110
SLU Series
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200V
430VAC
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