Phase Monitoring Relays:

101 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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2507217

RoHS

Each
1+
$450.000
($517.500)
Min: 1 / Mult: 1
K8AK Series
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
2780441

RoHS

Each
1+
$309.220
($355.603)
Min: 1 / Mult: 1
Harmony RM22UA Series
DPDT
8A
DIN Rail
Screw
-
250VAC
415VAC
-
1 Phase
8VA
15V
500V
2780437

RoHS

Each
1+
$156.270
($179.7105)
5+
$153.160
($176.134)
10+
$150.030
($172.5345)
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
10VA
200VAC
240VAC
3223353

RoHS

Each
1+
$705.630
($811.4745)
Min: 1 / Mult: 1
CM Series
DPDT
4A
DIN Rail
Screwless
-
230VAC
500VAC
-
3 Phase
-
300VAC
500V
3214136

RoHS

Each
1+
$689.160
($792.534)
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
Screw
-
250VAC
280VAC
-
3 Phase
3VA
180VAC
280VAC
3214135

RoHS

Each
1+
$744.560
($856.244)
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
Screw
-
250VAC
580VAC
-
3 Phase
41VA
350VAC
580VAC
3214137

RoHS

Each
1+
$418.870
($481.7005)
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
Screw
-
250VAC
400VAC
-
3 Phase
18VA
360VAC
440VAC
2578929

RoHS

Each
1+
$164.810
($189.5315)
5+
$156.590
($180.0785)
10+
$148.370
($170.6255)
Min: 1 / Mult: 1
K8DT-PH Series
SPDT
-
DIN Rail
Screw
-
-
480VAC
-
3 Phase
2.6VA
200VAC
480VAC
2507213

RoHS

Each
1+
$450.000
($517.500)
Min: 1 / Mult: 1
K8AK Series
SPDT
5A
DIN Rail
Screw
-
-
240VAC
-
3 Phase
-
-
-
2578931

RoHS

Each
1+
$384.520
($442.198)
Min: 1 / Mult: 1
K8DT-PM Series
SPDT
-
DIN Rail
Screw
-
-
480VAC
-
3 Phase
2.7VA
-
-
2507211

RoHS

Each
1+
$401.980
($462.277)
Min: 1 / Mult: 1
K8AK Series
SPDT
5A
DIN Rail
Screw
-
-
240VAC
-
3 Phase
-
-
-
2578932

RoHS

Each
1+
$338.340
($389.091)
Min: 1 / Mult: 1
K8DT-PM Series
SPST-NO
-
DIN Rail
Screw
-
-
480VAC
-
3 Phase
2.7VA
-
-
1390498

RoHS

Each
1+
$326.550
($375.5325)
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
DPDT
3A
DIN Rail
Screw
-
400VAC
690VAC
-
3 Phase
2W
160VAC
690VAC
2578933

RoHS

Each
1+
$397.630
($457.2745)
Min: 1 / Mult: 1
K8DT-PZ Series
SPDT
-
DIN Rail
Screw
-
-
480VAC
-
3 Phase
2.7VA
-
-
9515020

RoHS

Each
1+
$181.320
($208.518)
5+
$181.160
($208.334)
10+
$175.080
($201.342)
Min: 1 / Mult: 1
-
SPST-NC
-
DIN Rail
Screw
-
-
415VAC
-
3 Phase
-
-
-
2507216

RoHS

Each
1+
$450.000
($517.500)
Min: 1 / Mult: 1
K8AK Series
SPDT
5A
DIN Rail
Screw
-
-
240VAC
-
3 Phase
-
-
-
2578934

RoHS

Each
1+
$397.630
($457.2745)
Min: 1 / Mult: 1
K8DT-PZ Series
SPST-NO
-
DIN Rail
Screw
-
-
480VAC
-
3 Phase
2.7VA
-
-
2578930

RoHS

Each
1+
$141.930
($163.2195)
5+
$137.770
($158.4355)
10+
$133.590
($153.6285)
Min: 1 / Mult: 1
K8DT-PH Series
SPST-NO
-
DIN Rail
Screw
-
-
480VAC
-
3 Phase
2.6VA
-
-
4247877

RoHS

Each
1+
$862.040
($991.346)
Min: 1 / Mult: 1
CM Series
DPDT
4A
DIN Rail
Push In
-
250VAC
820VAC
-
3 Phase
59VA
530VAC
820VAC
4244638

RoHS

Each
1+
$136.780
($157.297)
5+
$134.060
($154.169)
10+
$131.320
($151.018)
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
Push In
-
400VAC
415VAC
-
3 Phase
1W
208VAC
480VAC
3862940
Each
1+
$97.750
($112.4125)
Min: 1 / Mult: 1
EWS2 Series
DPDT
8A
-
Screw
-
440VAC
440VAC
-
-
25VA
230VAC
440VAC
2987237

RoHS

OMRON INDUSTRIAL AUTOMATION
Each
1+
$125.380
($144.187)
5+
$120.370
($138.4255)
10+
$117.970
($135.6655)
Min: 1 / Mult: 1
K8AK-PH Series
DPDT-NC
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
4.1VA
200VAC
480VAC
4259623
Each
1+
$309.750
($356.2125)
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250VAC
-
-
3 Phase
30VA
280VAC
600VAC
9900136
Each
1+
$207.950
($239.1425)
5+
$196.840
($226.366)
10+
$194.120
($223.238)
Min: 1 / Mult: 1
K8AB Series
-
6A
-
Screw
-
250VAC
480VAC
-
3 Phase
-
220VAC
480VAC
9900110
Each
1+
$104.500
($120.175)
5+
$98.920
($113.758)
10+
$97.540
($112.171)
Min: 1 / Mult: 1
K8AB Series
-
6A
-
-
-
250VAC
500VAC
-
-
-
200VAC
500V
76-100 of 101 items
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