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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2507215

RoHS

Each
1+
HK$1,157.190
Min: 1 / Mult: 1
K8AK
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
2504231

RoHS

Each
1+
HK$770.330
5+
HK$749.240
10+
HK$727.620
Min: 1 / Mult: 1
K8AK
DPDT-NC
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
-
200VAC
480VAC
2507225

RoHS

Each
1+
HK$542.090
5+
HK$531.250
10+
HK$520.410
Min: 1 / Mult: 1
K8DS
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
3111269

RoHS

Each
1+
HK$1,587.800
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
10VA
200VAC
240VAC
9514430

RoHS

Each
1+
HK$6,432.530
Min: 1 / Mult: 1
BD 9080
DPDT
-
DIN Rail
Screw
-
230VAC
400VAC
-
3 Phase
2.4VA
-
-
9515399

RoHS

Each
1+
HK$1,252.320
5+
HK$1,220.320
10+
HK$1,190.250
Min: 1 / Mult: 1
MK 9056
DPDT
-
DIN Rail
Screw
-
230VAC
500VAC
-
3 Phase
-
-
-
3214139

RoHS

Each
1+
HK$2,611.900
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
Screw
-
250VAC
500VAC
-
3 Phase
18VA
300VAC
500VAC
9515046

RoHS

Each
1+
HK$916.240
5+
HK$897.920
10+
HK$879.600
Min: 1 / Mult: 1
IK 9179
SPST-NC
-
DIN Rail
Screw
-
230VAC
400VAC
-
3 Phase
-
-
-
4377819

RoHS

Each
1+
HK$765.290
5+
HK$759.870
10+
HK$754.440
Min: 1 / Mult: 1
DPA51 Series
SPDT
5A
DIN Rail
Screw
-
24VDC
480VAC
-
3 Phase
13VA
177VAC
552VAC
4236649

RoHS

Each
1+
HK$947.870
5+
HK$888.270
10+
HK$870.510
Min: 1 / Mult: 1
MWS Series
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
183V
528V
4300430

RoHS

Each
1+
HK$1,144.670
Min: 1 / Mult: 1
PPB01 Series
SPDT
8A
Socket
Plug In
-
250VAC
-
-
3 Phase
2.5VA
380VAC
480VAC
4300429

RoHS

Each
1+
HK$1,145.460
5+
HK$1,060.610
10+
HK$1,059.320
Min: 1 / Mult: 1
DPB51 Series
SPDT
5A
DIN Rail, Panel
Screw
-
250VAC
-
-
3 Phase
13VA
208VAC
480VAC
4259621
Each
1+
HK$851.140
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250VAC
230VAC
-
3 Phase
8VA
170VAC
290VAC
4259625
Each
1+
HK$1,165.090
Min: 1 / Mult: 1
-
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
1390500

RoHS

Each
1+
HK$1,521.940
Min: 1 / Mult: 1
3UG
SPST-NC
-
DIN Rail
Screw
-
-
500VAC
-
3 Phase
2W
320VAC
500VAC
2780436

RoHS

Each
1+
HK$1,617.210
5+
HK$1,584.870
10+
HK$1,552.530
Min: 1 / Mult: 1
Zelio RM17UBE
SPDT
5A
DIN Rail
Screw
-
250VAC
48V
-
1 Phase
3.9VA
20V
80V
2811545

RoHS

Each
1+
HK$313.220
5+
HK$309.960
10+
HK$306.690
20+
HK$300.560
Min: 1 / Mult: 1
SM 301 Series
SPDT
5A
DIN Rail
Screw
250V
250VAC
415VAC
28V
3 Phase
15VA
-
415VAC
2835320

RoHS

Each
1+
HK$1,469.660
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
380VAC
480VAC
2295791

RoHS

Each
1+
HK$939.470
5+
HK$836.800
10+
HK$820.070
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250VAC
240VAC
-
1 Phase
2.6VA
220VAC
240VAC
3050817

RoHS

Each
1+
HK$934.850
5+
HK$916.160
10+
HK$897.460
Min: 1 / Mult: 1
70 Series
DPDT
8A
DIN Rail, Panel
Screw
-
400VAC
480VAC
-
3 Phase
800mW
170VAC
520VAC
2102326

RoHS

Each
1+
HK$1,036.280
5+
HK$852.850
10+
HK$835.800
Min: 1 / Mult: 1
CM-PFS.S
SPDT
-
DIN Rail
Screw
-
24VDC
500VAC
-
3 Phase
-
200VAC
500VAC
2780435

RoHS

Each
1+
HK$1,684.290
Min: 1 / Mult: 1
Zelio RM17UB3
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
183V
528V
3214134

RoHS

Each
1+
HK$2,721.900
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
Screw
-
250VAC
500VAC
-
3 Phase
3VA
300VAC
500VAC
1895997

RoHS

Each
1+
HK$680.330
5+
HK$666.730
10+
HK$653.120
Min: 1 / Mult: 1
-
SPST-NO
4A
DIN Rail
Screw
-
250VAC
130VAC
-
1 Phase
-
110VAC
130VAC
3223348

RoHS

Each
1+
HK$2,066.180
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
Screwless
-
230VAC
500VAC
-
3 Phase
-
300VAC
500VAC
26-50 of 97 items
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