Phase Monitoring Relays:

107 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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2504231

RoHS

Each
1+
NT$3,477.270
5+
NT$3,407.730
10+
NT$3,338.180
Min: 1 / Mult: 1
K8AK Series
DPDT-NC
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
-
200VAC
480VAC
3111269

RoHS

Each
1+
NT$5,673.450
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
10VA
200VAC
240VAC
9514430

RoHS

Each
1+
NT$24,002.890
Min: 1 / Mult: 1
BD 9080 Series
DPDT
-
DIN Rail
Screw
-
230VAC
400VAC
-
3 Phase
2.4VA
-
-
3214139

RoHS

Each
1+
NT$10,368.740
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
Screw
-
250VAC
500VAC
-
3 Phase
18VA
300VAC
500VAC
4259624
Each
1+
NT$4,939.650
Min: 1 / Mult: 1
SLU Series
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
9515046

RoHS

Each
1+
NT$3,686.330
5+
NT$3,612.610
10+
NT$3,538.880
Min: 1 / Mult: 1
-
SPST-NC
-
DIN Rail
Screw
-
230VAC
400VAC
-
3 Phase
-
-
-
4163404

RoHS

Each
1+
NT$2,113.680
5+
NT$2,069.110
10+
NT$2,020.450
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
5VA
-
240VAC
4236649

RoHS

Each
1+
NT$3,602.390
5+
NT$3,458.960
10+
NT$3,389.790
Min: 1 / Mult: 1
MWS Series
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
183V
528V
4377819

RoHS

Each
1+
NT$4,343.120
5+
NT$3,800.230
10+
NT$3,168.070
Min: 1 / Mult: 1
DPA51 Series
SPDT
5A
DIN Rail
Screw
-
24VDC
480VAC
-
3 Phase
13VA
177VAC
552VAC
4300430

RoHS

Each
1+
NT$4,653.440
Min: 1 / Mult: 1
PPB01 Series
SPDT
8A
Socket
Plug In
-
250VAC
-
-
3 Phase
2.5VA
380VAC
480VAC
4259621
Each
1+
NT$3,373.740
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250VAC
230VAC
-
3 Phase
8VA
170VAC
290VAC
4259625
Each
1+
NT$4,668.380
Min: 1 / Mult: 1
SLU Series
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
2811545

RoHS

Each
1+
NT$1,270.540
5+
NT$1,257.470
10+
NT$1,244.400
20+
NT$1,219.520
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
250V
250VAC
415VAC
28V
3 Phase
15VA
-
415VAC
2780436

RoHS

Each
1+
NT$5,788.320
5+
NT$5,306.940
10+
NT$4,825.560
Min: 1 / Mult: 1
Harmony RM17 Series
SPDT
5A
DIN Rail
Screw
-
250VAC
48V
-
1 Phase
3.9VA
20V
80V
2835320

RoHS

Each
1+
NT$4,858.760
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
380VAC
480VAC
2295791

RoHS

Each
1+
NT$3,838.500
5+
NT$3,295.360
10+
NT$3,229.460
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250VAC
240VAC
-
1 Phase
2.6VA
220VAC
240VAC
3050817

RoHS

Each
1+
NT$3,774.080
5+
NT$3,698.600
10+
NT$3,623.120
Min: 1 / Mult: 1
70 Series
DPDT
8A
DIN Rail, Panel
Screw
-
400VAC
480VAC
-
3 Phase
800mW
170VAC
520VAC
2102326

RoHS

Each
1+
NT$4,202.160
5+
NT$3,676.890
10+
NT$3,065.240
Min: 1 / Mult: 1
CM Series
SPDT
-
DIN Rail
Screw
-
24VDC
500VAC
-
3 Phase
-
200VAC
500VAC
2780435

RoHS

Each
1+
NT$6,253.100
Min: 1 / Mult: 1
Harmony RM17 Series
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
183V
528V
3214134

RoHS

Each
1+
NT$10,801.990
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
Screw
-
250VAC
500VAC
-
3 Phase
3VA
300VAC
500VAC
1895997

RoHS

Each
1+
NT$2,760.120
5+
NT$2,704.920
10+
NT$2,649.720
Min: 1 / Mult: 1
CM-MSE Series
SPST-NO
4A
DIN Rail
Screw
-
250VAC
130VAC
-
1 Phase
-
110VAC
130VAC
3223348

RoHS

Each
1+
NT$8,711.960
Min: 1 / Mult: 1
CM Series
DPDT
4A
DIN Rail
Screwless
-
230VAC
500VAC
-
3 Phase
-
300VAC
500VAC
2813563
Each
1+
NT$4,233.720
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail
Screw
-
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
2780438

RoHS

Each
1+
NT$6,020.040
Min: 1 / Mult: 1
Harmony RM22UA Series
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase
1.5W
50mV
5V
3223356

RoHS

Each
1+
NT$9,372.300
Min: 1 / Mult: 1
CM Series
DPDT
4A
DIN Rail
Screwless
-
230VAC
500VAC
-
3 Phase
-
300VAC
500VAC
26-50 of 107 items
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