Phase Monitoring Relays:

100 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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2507225

RoHS

Each
1+
HK$501.150
5+
HK$491.130
10+
HK$481.100
Min: 1 / Mult: 1
K8DS Series
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
2056305

RoHS

Each
1+
HK$3,029.110
Min: 1 / Mult: 1
Harmony RM35 Series
DPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
22VA
194VAC
528VAC
1344233

RoHS

Each
1+
HK$774.150
5+
HK$707.410
10+
HK$640.660
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
1W
208VAC
480VAC
2835320

RoHS

Each
1+
HK$1,278.390
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
15VA
380V
480VAC
2780442

RoHS

Each
1+
HK$1,147.180
Min: 1 / Mult: 1
Harmony RM22UB Series
DPDT
8A
DIN Rail
Screw
-
250V
240VAC
-
1 Phase
2W
80V
300V
3111268

RoHS

Each
1+
HK$777.860
5+
HK$716.200
10+
HK$654.530
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
15VA
183VAC
528VAC
2295793

RoHS

Each
1+
HK$915.170
5+
HK$896.870
10+
HK$878.570
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250V
415VAC
-
3 Phase
11VA
380V
415VAC
1895998

RoHS

Each
1+
HK$789.820
5+
HK$650.080
10+
HK$637.080
Min: 1 / Mult: 1
CM-PFE Series
SPDT
4A
DIN Rail
Screw
-
250V
440VAC
-
3 Phase
15VA
208VAC
440VAC
4163403

RoHS

Each
1+
HK$410.250
5+
HK$401.390
10+
HK$391.810
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
15VA
-
415VAC
4163405

RoHS

Each
1+
HK$519.590
5+
HK$508.490
10+
HK$496.360
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
-
250V
240VAC
-
1 Phase, 3 Phase
5VA
-
240VAC
4163401

RoHS

Each
1+
HK$457.330
5+
HK$447.450
10+
HK$436.850
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
3VA
208VAC
480VAC
4163396

RoHS

Each
1+
HK$714.940
5+
HK$699.450
10+
HK$682.840
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
4163406

RoHS

Each
1+
HK$519.590
5+
HK$508.490
10+
HK$496.360
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
10VA
-
415VAC
4163398

RoHS

Each
1+
HK$599.890
5+
HK$586.950
10+
HK$573.090
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
16VA
208VAC
480VAC
4163402

RoHS

Each
1+
HK$387.730
5+
HK$379.380
10+
HK$370.410
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
15VA
-
415VAC
4163397

RoHS

Each
1+
HK$1,084.830
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
-
240VAC
300V
-
3 Phase
5VA
85V
300V
4163408

RoHS

Each
1+
HK$588.990
5+
HK$576.350
10+
HK$562.590
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
10VA
-
415VAC
4163399

RoHS

Each
1+
HK$407.810
5+
HK$399.050
10+
HK$389.470
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
3.5VA
208VAC
480VAC
4163395

RoHS

Each
1+
HK$627.300
5+
HK$613.650
10+
HK$599.080
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
4163407

RoHS

Each
1+
HK$556.280
5+
HK$544.250
10+
HK$531.310
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
10VA
-
415VAC
2780443

RoHS

Each
1+
HK$2,448.960
Min: 1 / Mult: 1
Harmony RM35UB3 Series
DPDT
5A
DIN Rail
Screw
-
250V
277VAC
-
3 Phase
3.9VA
114VAC
329VAC
3922060

RoHS

Each
1+
HK$1,072.780
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT-CO
8A
DIN Rail
Screw
-
250V
576VAC
-
3 Phase
4VA
208VAC
480VAC
2507215

RoHS

Each
1+
HK$1,167.750
Min: 1 / Mult: 1
K8AK Series
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
2504231

RoHS

Each
1+
HK$866.610
5+
HK$849.280
10+
HK$831.950
Min: 1 / Mult: 1
K8AK Series
DPDT-NC
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
-
200VAC
480VAC
3214133

RoHS

Each
1+
HK$2,287.080
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
Screw
-
500V
500VAC
-
3 Phase
15VA
300VAC
500VAC
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