Phase Monitoring Relays:

97 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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4163396

RoHS

Each
1+
HK$809.840
5+
HK$699.680
10+
HK$685.990
20+
HK$672.850
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
3214139

RoHS

Each
1+
HK$2,518.270
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
Screw
-
250VAC
500VAC
-
3 Phase
18VA
300VAC
500VAC
4163401

RoHS

Each
1+
HK$518.050
5+
HK$447.660
10+
HK$438.930
20+
HK$430.420
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3VA
208VAC
480VAC
4163403

RoHS

Each
1+
HK$418.240
5+
HK$401.530
10+
HK$393.660
20+
HK$386.000
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
4163405

RoHS

Each
1+
HK$588.560
5+
HK$508.570
10+
HK$498.550
20+
HK$488.960
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase, 3 Phase
5VA
-
240VAC
4163404

RoHS

Each
1+
HK$588.560
5+
HK$508.570
10+
HK$498.550
20+
HK$488.960
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
5VA
-
240VAC
4163406

RoHS

Each
1+
HK$588.560
5+
HK$508.570
10+
HK$498.550
20+
HK$488.960
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
4163398

RoHS

Each
1+
HK$611.620
5+
HK$587.160
10+
HK$575.610
20+
HK$564.620
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
16VA
208VAC
480VAC
4163402

RoHS

Each
1+
HK$395.380
5+
HK$379.540
10+
HK$372.110
20+
HK$364.990
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
4163397

RoHS

Each
1+
HK$868.160
5+
HK$750.130
10+
HK$735.360
20+
HK$721.340
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
-
240VAC
300V
-
3 Phase
5VA
85V
300V
4163408

RoHS

Each
1+
HK$667.240
5+
HK$576.480
10+
HK$565.160
20+
HK$554.280
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
4163399

RoHS

Each
1+
HK$461.890
5+
HK$399.160
10+
HK$391.290
20+
HK$383.750
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3.5VA
208VAC
480VAC
4163395

RoHS

Each
1+
HK$639.430
5+
HK$613.890
10+
HK$601.920
20+
HK$590.280
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
4163407

RoHS

Each
1+
HK$567.200
5+
HK$544.470
10+
HK$533.690
20+
HK$523.440
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
2056305

RoHS

Each
1+
HK$2,921.040
Min: 1 / Mult: 1
Harmony RM35 Series
DPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
194VAC
528VAC
1344233

RoHS

Each
1+
HK$746.910
5+
HK$683.770
10+
HK$620.620
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1W
208VAC
480VAC
2455513

RoHS

Each
1+
HK$781.140
5+
HK$757.680
10+
HK$742.530
Min: 1 / Mult: 1
Harmony RM17 Series
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
-
-
2835320

RoHS

Each
1+
HK$1,239.940
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
380V
480VAC
2780442

RoHS

Each
1+
HK$1,103.050
Min: 1 / Mult: 1
Harmony RM22UB Series
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase
2W
80V
300V
3111268

RoHS

Each
1+
HK$748.850
5+
HK$746.370
10+
HK$620.160
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
183VAC
528VAC
2295793

RoHS

Each
1+
HK$938.160
5+
HK$919.400
10+
HK$900.640
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250VAC
415VAC
-
3 Phase
11VA
380V
415VAC
1895998

RoHS

Each
1+
HK$769.720
5+
HK$633.530
10+
HK$620.860
Min: 1 / Mult: 1
CM-PFE Series
SPDT
4A
DIN Rail
Screw
-
250VAC
440VAC
-
3 Phase
15VA
208VAC
440VAC
2780440

RoHS

Each
1+
HK$1,284.130
Min: 1 / Mult: 1
Harmony RM22UA Series
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase
1.5W
15V
500VAC
3111267

RoHS

Each
1+
HK$1,351.960
5+
HK$1,324.930
10+
HK$1,297.890
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
-
250VAC
576VAC
-
3 Phase
15VA
380V
480VAC
4259624
Each
1+
HK$1,246.200
Min: 1 / Mult: 1
SLU Series
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
1-25 of 97 items
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