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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2507215

RoHS

Each
1+
RM681.670
Min: 1 / Mult: 1
K8AK
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
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
480VAC
-
3 Phase
800mW
170VAC
520VAC
2813563
Each
1+
RM711.520
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail
Screw
-
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
2915307

RoHS

Each
1+
RM400.450
5+
RM392.450
10+
RM384.440
Min: 1 / Mult: 1
EMD
SPDT
5A
DIN Rail
Quick Connect
-
250V
480VAC
-
3 Phase
1.5W
187VAC
519VAC
2813562
Each
1+
RM809.460
Min: 1 / Mult: 1
460
SPDT
10A
DIN Rail
Screw
-
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
2915306

RoHS

Each
1+
RM426.750
5+
RM418.220
10+
RM409.680
Min: 1 / Mult: 1
EMD
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
1.5W
187VAC
519VAC
4163403

RoHS

Each
1+
RM333.460
5+
RM321.100
10+
RM315.250
20+
RM309.600
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
15VA
-
415VAC
4163398

RoHS

Each
1+
RM487.630
5+
RM469.490
10+
RM460.980
20+
RM452.810
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
16VA
208VAC
480VAC
4163402

RoHS

Each
1+
RM315.190
5+
RM303.490
10+
RM297.980
20+
RM292.730
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
15VA
-
415VAC
4163395

RoHS

Each
1+
RM509.840
5+
RM490.910
10+
RM481.990
20+
RM473.410
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
4163407

RoHS

Each
1+
RM452.180
5+
RM435.360
10+
RM427.460
20+
RM419.810
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
10VA
-
415VAC
2056305

RoHS

Each
1+
RM1,243.830
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
22VA
194VAC
528VAC
1344233

RoHS

Each
1+
RM358.590
5+
RM351.420
10+
RM344.250
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
1W
208VAC
480VAC
2455513

RoHS

Each
1+
RM442.420
5+
RM433.580
10+
RM425.320
Min: 1 / Mult: 1
Zelio
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
22VA
-
-
2835320

RoHS

Each
1+
RM766.790
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
15VA
380V
480VAC
2780442

RoHS

Each
1+
RM1,153.960
Min: 1 / Mult: 1
Zelio RM22UB
DPDT
8A
DIN Rail
Screw
-
250V
240VAC
-
1 Phase
2W
80V
300V
3111268

RoHS

Each
1+
RM350.990
5+
RM343.980
10+
RM336.960
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
15VA
183VAC
528VAC
2295793

RoHS

Each
1+
RM450.470
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250V
415VAC
-
3 Phase
11VA
380V
415VAC
1895998

RoHS

Each
1+
RM541.200
5+
RM445.410
10+
RM436.510
Min: 1 / Mult: 1
CM-PFE
SPDT
4A
DIN Rail
Screw
-
250V
440VAC
-
3 Phase
15VA
208VAC
440VAC
4259624
Each
1+
RM829.540
Min: 1 / Mult: 1
-
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
3111267

RoHS

Each
1+
RM637.210
5+
RM624.470
10+
RM611.730
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250V
576VAC
-
3 Phase
15VA
380V
480VAC
2780443

RoHS

Each
1+
RM1,470.490
Min: 1 / Mult: 1
Zelio RM35UB3
DPDT
5A
DIN Rail
Screw
-
250V
277VAC
-
3 Phase
3.9VA
114VAC
329VAC
3922060

RoHS

Each
1+
RM793.910
Min: 1 / Mult: 1
-
DPDT-CO
8A
DIN Rail
Screw
-
250V
576VAC
-
3 Phase
4VA
208VAC
480VAC
2504231

RoHS

Each
1+
RM384.340
5+
RM376.660
10+
RM368.970
Min: 1 / Mult: 1
K8AK
DPDT-NC
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
-
200VAC
480VAC
2507225

RoHS

Each
1+
RM325.300
5+
RM318.800
10+
RM312.290
Min: 1 / Mult: 1
K8DS
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
1-25 of 101 items
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