Phase Monitoring Relays:

91 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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ComparePrice ForQuantity
1390498

RoHS

Each
1+
¥30,810.59
(¥33,891.649)
Total:¥30,810.59
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
DPDT
3A
DIN Rail
Screw
-
400VAC
690VAC
-
3 Phase
2W
160VAC
690VAC
2578933

RoHS

Each
1+
¥39,658.23
(¥43,624.053)
Total:¥39,658.23
Min: 1 / Mult: 1
K8DT-PZ Series
SPDT
-
DIN Rail
Screw
-
-
480VAC
-
3 Phase
2.7VA
-
-
2507216

RoHS

Each
1+
¥43,711.78
(¥48,082.958)
Total:¥43,711.78
Min: 1 / Mult: 1
K8AK Series
SPDT
5A
DIN Rail
Screw
-
-
240VAC
-
3 Phase
-
-
-
9515020

RoHS

Each
1+
¥16,476.11
(¥18,123.721)
5+
¥15,580.17
(¥17,138.187)
10+
¥15,266.16
(¥16,792.776)
Total:¥16,476.11
Min: 1 / Mult: 1
-
SPST-NC
-
DIN Rail
Screw
-
-
415VAC
-
3 Phase
-
-
-
2578934

RoHS

Each
1+
¥34,979.55
(¥38,477.505)
Total:¥34,979.55
Min: 1 / Mult: 1
K8DT-PZ Series
SPST-NO
-
DIN Rail
Screw
-
-
480VAC
-
3 Phase
2.7VA
-
-
2578930

RoHS

Each
1+
¥15,174.45
(¥16,691.895)
5+
¥14,939.5
(¥16,433.45)
10+
¥14,704.54
(¥16,174.994)
Total:¥15,174.45
Min: 1 / Mult: 1
K8DT-PH Series
SPST-NO
-
DIN Rail
Screw
-
-
480VAC
-
3 Phase
2.6VA
-
-
4825122
Each
1+
¥15,115.32
(¥16,626.852)
Total:¥15,115.32
Min: 1 / Mult: 1
LXPRC-4W Series
SPDT
8A
DIN Rail
Screw
-
250VAC
230VAC
-
1 Phase
6VA
-
230VAC
4826665

RoHS

Each
1+
¥105,230.03
(¥115,753.033)
Total:¥105,230.03
Min: 1 / Mult: 1
Harmony Series
DPDT
5A
DIN Rail
Screw
-
250VAC
690VAC
-
3 Phase
22VA
480VAC
690VAC
4825120
Each
1+
¥8,827.68
(¥9,710.448)
Total:¥8,827.68
Min: 1 / Mult: 1
LPPI Series
-
-
DIN Rail
Screw
-
-
490VAC
-
3 Phase (3 Wire)
4VA
320VAC
490VAC
4825119
Each
1+
¥14,990.4
(¥16,489.44)
Total:¥14,990.4
Min: 1 / Mult: 1
LXPRC/S/RD Series
SPDT
8A
DIN Rail
Screw
-
250VAC
460VAC
-
3 Phase
8VA
380VAC
460VAC
4300429

RoHS

Each
1+
¥22,551.82
(¥24,807.002)
5+
¥20,881.26
(¥22,969.386)
10+
¥20,463.64
(¥22,510.004)
Total:¥22,551.82
Min: 1 / Mult: 1
DPB51 Series
SPDT
5A
DIN Rail, Panel
Screw
-
250VAC
-
-
3 Phase
13VA
208VAC
480VAC
4247877

RoHS

Each
1+
¥67,425.54
(¥74,168.094)
Total:¥67,425.54
Min: 1 / Mult: 1
CM Series
DPDT
4A
DIN Rail
Push In
-
250VAC
820VAC
-
3 Phase
59VA
530VAC
820VAC
4835986

RoHS

Each
1+
¥23,023.55
(¥25,325.905)
5+
¥21,857.58
(¥24,043.338)
10+
¥21,288.68
(¥23,417.548)
Total:¥23,023.55
Min: 1 / Mult: 1
DPA01 Series
SPDT
8A
DIN Rail
Screw
-
250VAC
600VAC
-
3 Phase
15VA
323VAC
690VAC
4825129
Each
1+
¥18,529.8
(¥20,382.78)
Total:¥18,529.8
Min: 1 / Mult: 1
LPRC/2/WS Series
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase (3 Wire)
2.5VA
380VAC
415VAC
4244638

RoHS

Each
1+
¥13,465.97
(¥14,812.567)
5+
¥13,196.66
(¥14,516.326)
10+
¥12,927.34
(¥14,220.074)
Total:¥13,465.97
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
Push In
-
400VAC
415VAC
-
3 Phase
1W
208VAC
480VAC
4259623
Each
1+
¥29,551.98
(¥32,507.178)
Total:¥29,551.98
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250VAC
-
-
3 Phase
30VA
280VAC
600VAC
76-91 of 91 items
of 4 page(s)

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