Phase Monitoring Relays:

102 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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9515399

RoHS

Each
1+
RM700.780
5+
RM686.770
10+
RM672.750
Min: 1 / Mult: 1
MK 9056
DPDT
-
DIN Rail
Screw
-
230VAC
500VAC
-
3 Phase
-
-
-
2811545

RoHS

Each
1+
RM234.910
5+
RM227.870
10+
RM223.320
20+
RM218.760
Min: 1 / Mult: 1
SM 301 Series
SPDT
5A
DIN Rail
Screw
250V
250VAC
415VAC
28V
3 Phase
15VA
-
415VAC
2813563
Each
1+
RM727.680
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail
Screw
-
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
2813562
Each
1+
RM809.460
Min: 1 / Mult: 1
460
SPDT
10A
DIN Rail
Screw
-
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
2811533

RoHS

Each
1+
RM396.070
5+
RM388.150
10+
RM380.230
20+
RM372.310
Min: 1 / Mult: 1
SM500 Series
DPDT
5A
DIN Rail
Screw
250V
250VAC
415VAC
28V
3 Phase
10VA
-
415VAC
2056305

RoHS

Each
1+
RM1,170.160
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
Screw
-
250VAC
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
-
250VAC
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
-
250VAC
480VAC
-
3 Phase
22VA
-
-
2780442

RoHS

Each
1+
RM988.990
Min: 1 / Mult: 1
Zelio RM22UB
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase
2W
80V
300V
2835320

RoHS

Each
1+
RM741.170
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
380V
480VAC
3111268

RoHS

Each
1+
RM336.810
5+
RM330.080
10+
RM323.340
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
183VAC
528VAC
2295793

RoHS

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

RoHS

Each
1+
RM520.380
5+
RM430.760
Min: 1 / Mult: 1
CM-PFE
SPDT
4A
DIN Rail
Screw
-
250VAC
440VAC
-
3 Phase
15VA
208VAC
440VAC
2102326

RoHS

Each
1+
RM612.100
5+
RM599.860
10+
RM587.620
Min: 1 / Mult: 1
CM-PFS.S
SPDT
-
DIN Rail
Screw
-
24V
500VAC
-
3 Phase
-
200V
500V
3111267

RoHS

Each
1+
RM611.470
5+
RM599.250
10+
RM587.020
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250VAC
576VAC
-
3 Phase
15VA
380V
480VAC
3214134

RoHS

Each
1+
RM1,164.170
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
Screw
-
250VAC
500VAC
-
3 Phase
3VA
300VAC
500V
2780443

RoHS

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

RoHS

Each
1+
RM793.910
Min: 1 / Mult: 1
-
DPDT-CO
8A
DIN Rail
Screw
-
250VAC
576VAC
-
3 Phase
4VA
208VAC
480VAC
2507215

RoHS

Each
1+
RM681.670
Min: 1 / Mult: 1
K8AK
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
2504231

RoHS

Each
1+
RM375.500
5+
RM367.990
10+
RM360.480
Min: 1 / Mult: 1
K8AK
DPDT-NC
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
-
200V
480VAC
2507225

RoHS

Each
1+
RM315.840
5+
RM309.530
10+
RM303.210
Min: 1 / Mult: 1
K8DS
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
3223352

RoHS

Each
1+
RM1,035.380
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
Screwless
-
230VAC
400VAC
-
3 Phase
-
360VAC
440VAC
4259621
Each
1+
RM566.570
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250VAC
230VAC
-
3 Phase
8VA
170VAC
290VAC
4259625
Each
1+
RM777.280
Min: 1 / Mult: 1
-
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200V
430VAC
3214133

RoHS

Each
1+
RM955.050
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
Screw
-
500V
500VAC
-
3 Phase
15VA
300VAC
500V
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