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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2507211

RoHS

Each
1+
HK$1,580.750
Min: 1 / Mult: 1
K8AK
SPDT
5A
DIN Rail
Screw
-
-
240VAC
-
3 Phase
-
-
-
2578932

RoHS

Each
1+
HK$1,527.100
Min: 1 / Mult: 1
K8DT-PM
SPST-NO
-
DIN Rail
Screw
-
-
480VAC
-
3 Phase
2.7VA
-
-
2578931

RoHS

Each
1+
HK$1,599.700
Min: 1 / Mult: 1
K8DT-PM
SPDT
-
DIN Rail
Screw
-
-
480VAC
-
3 Phase
2.7VA
-
-
1390498

RoHS

Each
1+
HK$1,456.050
Min: 1 / Mult: 1
3UG
DPDT
3A
DIN Rail
Screw
-
400VAC
690VAC
-
3 Phase
2W
160VAC
690VAC
2064124

RoHS

Each
1+
HK$523.160
5+
HK$515.680
10+
HK$508.170
20+
HK$497.840
Min: 1 / Mult: 1
-
-
-
-
-
-
-
-
-
-
-
-
-
2578933

RoHS

Each
1+
HK$1,781.150
Min: 1 / Mult: 1
K8DT-PZ
SPDT
-
DIN Rail
Screw
-
-
480VAC
-
3 Phase
2.7VA
-
-
2507216

RoHS

Each
1+
HK$1,769.660
Min: 1 / Mult: 1
K8AK
SPDT
5A
DIN Rail
Screw
-
-
240VAC
-
3 Phase
-
-
-
9515020

RoHS

Each
1+
HK$705.760
5+
HK$704.520
10+
HK$703.280
Min: 1 / Mult: 1
IK 9169
SPST-NC
-
DIN Rail
Screw
-
-
415VAC
-
3 Phase
-
-
-
2578930

RoHS

Each
1+
HK$808.690
5+
HK$796.810
10+
HK$784.930
Min: 1 / Mult: 1
K8DT-PH
SPST-NO
-
DIN Rail
Screw
-
-
480VAC
-
3 Phase
2.6VA
-
-
2578934

RoHS

Each
1+
HK$1,719.660
Min: 1 / Mult: 1
K8DT-PZ
SPST-NO
-
DIN Rail
Screw
-
-
480VAC
-
3 Phase
2.7VA
-
-
4247877

RoHS

Each
1+
HK$3,305.920
Min: 1 / Mult: 1
CM-MPN Series
DPDT
4A
DIN Rail
Push In
-
250VAC
820VAC
-
3 Phase
59VA
530VAC
820VAC
4244638

RoHS

Each
1+
HK$662.010
5+
HK$648.770
10+
HK$635.530
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
Push In
-
400VAC
415VAC
-
3 Phase
1W
208VAC
480VAC
3862940
Each
1+
HK$427.830
Min: 1 / Mult: 1
-
DPDT
-
-
Screw
-
-
-
-
-
-
230VAC
-
1344223

RoHS

Each
1+
HK$844.890
5+
HK$823.310
10+
HK$803.530
Min: 1 / Mult: 1
-
SPDT
10A
DIN Rail
Screw
-
250VAC
400VAC
-
3 Phase
4VA
-
400VAC
1250701

RoHS

Each
1+
HK$1,897.940
Min: 1 / Mult: 1
GAMMA
SPDT
5A
DIN Rail
Screw
-
250VAC
400VAC
-
-
1.5W
-
-
2102314

RoHS

Each
1+
HK$2,058.730
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Spring Clamp
-
300VAC
300VAC
-
3 Phase
10VA
160VAC
300VAC
4259623
Each
1+
HK$1,314.370
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250VAC
-
-
3 Phase
30VA
280VAC
600VAC
9900136
Each
1+
HK$970.950
5+
HK$946.150
10+
HK$923.410
Min: 1 / Mult: 1
-
-
-
-
Screw
-
250VAC
-
-
3 Phase
-
-
480VAC
9900110
Each
1+
HK$487.880
5+
HK$475.420
10+
HK$463.990
Min: 1 / Mult: 1
-
-
-
-
-
-
-
-
-
-
-
-
-
9514031

RoHS

Each
1+
HK$924.730
Min: 1 / Mult: 1
-
-
-
-
-
-
-
-
-
-
-
-
-
9515402

RoHS

Each
1+
HK$919.290
Min: 1 / Mult: 1
-
-
-
DIN Rail
-
-
-
-
-
3 Phase
-
-
-
9514600

RoHS

Each
1+
HK$2,769.270
Min: 1 / Mult: 1
-
-
-
-
-
-
-
-
-
-
-
-
-
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