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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1344233

RoHS

Each
1+
RM358.590
5+
RM351.420
10+
RM344.250
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
Screw
-
250V
480V
-
3 Phase
1W
208VAC
480VAC
2295793

RoHS

Each
1+
RM450.470
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250V
415VAC
-
3 Phase
11VA
380VAC
415VAC
2780440

RoHS

Each
1+
RM876.490
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
Screw
-
250V
240V
-
1 Phase
1.5W
15V
500V
4236649

RoHS

Each
1+
RM546.500
5+
RM535.570
10+
RM524.640
Min: 1 / Mult: 1
MWS Series
SPDT
8A
DIN Rail
Screw
-
250V
480V
-
3 Phase
22VA
183V
528V
3050817

RoHS

Each
1+
RM419.550
5+
RM411.160
10+
RM402.770
Min: 1 / Mult: 1
70 Series
DPDT
8A
DIN Rail, Panel
Screw
-
400VAC
480V
-
3 Phase
800mW
170VAC
520VAC
1895997

RoHS

Each
1+
RM383.280
5+
RM375.620
10+
RM367.950
Min: 1 / Mult: 1
-
SPST-NO
4A
DIN Rail
Screw
-
250V
130VAC
-
1 Phase
-
110VAC
130VAC
2813563
Each
1+
RM711.520
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail
Screw
-
240VAC
480V
-
3 Phase
6W
190VAC
480VAC
1896002

RoHS

Each
1+
RM432.390
5+
RM423.750
10+
RM415.100
Min: 1 / Mult: 1
CM-PBE
SPST-NO
-
DIN Rail
Screw
-
-
440VAC
-
3 Phase
-
220VAC
440VAC
1895999

RoHS

Each
1+
RM465.620
5+
RM456.310
10+
RM447.000
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
300VAC
460VAC
-
3 Phase
-
185VAC
460VAC
3223352

RoHS

Each
1+
RM1,035.380
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
Screwless
-
230VAC
400VAC
-
3 Phase
-
360VAC
440VAC
2813562
Each
1+
RM809.460
Min: 1 / Mult: 1
460
SPDT
10A
DIN Rail
Screw
-
240VAC
480V
-
3 Phase
6W
190VAC
480VAC
3214136

RoHS

Each
1+
RM1,217.660
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
Screw
-
250V
280VAC
-
3 Phase
3VA
180VAC
280VAC
1390498

RoHS

Each
1+
RM916.710
Min: 1 / Mult: 1
3UG
DPDT
3A
DIN Rail
Screw
-
400VAC
690VAC
-
3 Phase
2W
160VAC
690VAC
1344223

RoHS

Each
1+
RM482.020
5+
RM472.780
10+
RM463.870
Min: 1 / Mult: 1
-
SPDT
10A
DIN Rail
Screw
-
250V
400VAC
-
3 Phase
4VA
-
400VAC
1250701

RoHS

Each
1+
RM1,194.910
Min: 1 / Mult: 1
GAMMA
SPDT
5A
DIN Rail
Screw
-
250V
400VAC
-
-
1.5W
-
-
4163403

RoHS

Each
1+
RM269.560
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
15VA
-
415VAC
4163398

RoHS

Each
1+
RM394.130
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250V
480V
-
3 Phase
16VA
208VAC
480VAC
4163402

RoHS

Each
1+
RM254.750
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
15VA
-
415VAC
4163407

RoHS

Each
1+
RM365.470
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
10VA
-
415VAC
4163395

RoHS

Each
1+
RM412.160
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500V
2056305

RoHS

Each
1+
RM1,243.830
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
Screw
-
250V
480V
-
3 Phase
22VA
194VAC
528V
2455513

RoHS

Each
1+
RM442.420
5+
RM433.580
10+
RM425.320
Min: 1 / Mult: 1
Zelio
SPDT
5A
DIN Rail
Screw
-
250V
480V
-
3 Phase
22VA
-
-
2780442

RoHS

Each
1+
RM1,153.960
Min: 1 / Mult: 1
Zelio RM22UB
DPDT
8A
DIN Rail
Screw
-
250V
240V
-
1 Phase
2W
80V
300V
2835320

RoHS

Each
1+
RM766.790
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
Screw
-
250V
480V
-
3 Phase
15VA
380VAC
480VAC
3111268

RoHS

Each
1+
RM350.990
5+
RM343.980
10+
RM336.960
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250V
480V
-
3 Phase
15VA
183V
528V
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