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Phase Monitoring Relays:

166 Products Found

Farnell 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+
zł294.260
5+
zł288.390
10+
zł282.490
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
-
Screw
250V
480V
-
3 Phase
1W
208VAC
480VAC
-
2295793

RoHS

Each
1+
zł501.170
5+
zł491.120
10+
zł481.120
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
-
Screw
250V
415VAC
-
3 Phase
11VA
380VAC
415VAC
-
2056305

RoHS

Each
1+
zł839.780
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
-
Screw
250V
480V
-
3 Phase
22VA
194VAC
528VAC
-
2056304

RoHS

Each
1+
zł380.220
5+
zł372.630
10+
zł365.030
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
-
Screw
250V
440VAC
-
3 Phase
22VA
183V
484V
-
1895998

RoHS

Each
1+
zł443.100
5+
zł434.240
10+
zł425.380
Min: 1 / Mult: 1
CM-PFE
SPDT
4A
DIN Rail
-
Screw
250V
440VAC
-
3 Phase
15VA
208VAC
440VAC
UL
9515399

RoHS

Each
1+
zł636.920
5+
zł539.990
10+
zł529.190
Min: 1 / Mult: 1
MK 9056
DPDT
-
DIN Rail
-
Screw
230VAC
500VAC
-
3 Phase
-
-
-
-
2507225

RoHS

Each
1+
zł308.270
5+
zł302.110
10+
zł295.950
Min: 1 / Mult: 1
K8DS
SPDT
5A
DIN Rail
-
Screw
-
480V
-
3 Phase
-
-
-
-
2455513

RoHS

Each
1+
zł368.830
5+
zł361.440
10+
zł354.060
Min: 1 / Mult: 1
Zelio
SPDT
5A
DIN Rail
-
Screw
250V
480V
-
3 Phase
22VA
-
-
-
2507215

RoHS

Each
1+
zł708.120
Min: 1 / Mult: 1
K8AK
SPDT
5A
DIN Rail
-
Screw
-
480V
-
3 Phase
-
-
-
-
2835320

RoHS

Each
1+
zł654.100
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
-
Screw
250V
480V
-
3 Phase
15VA
380VAC
480VAC
CE, CSA, EN, IEC, UL
2780443

RoHS

Each
1+
zł814.460
Min: 1 / Mult: 1
Zelio RM35UB3
DPDT
5A
DIN Rail
-
Screw
250V
277VAC
-
3 Phase
3.9VA
114VAC
329VAC
EN, IEC
3111268

RoHS

Each
1+
zł339.290
5+
zł332.490
10+
zł325.700
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
-
Screw
250V
480V
-
3 Phase
15VA
183V
528VAC
-
4259625
Each
1+
zł843.110
Min: 1 / Mult: 1
-
SPDT
10A
Socket
-
Plug In
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
-
4259621
Each
1+
zł626.420
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
-
Screw
250V
230VAC
-
3 Phase
8VA
170VAC
290VAC
-
9514430

RoHS

Each
1+
zł3,148.750
Min: 1 / Mult: 1
BD 9080
DPDT
-
DIN Rail
-
Screw
230VAC
400VAC
-
3 Phase
2.4VA
-
-
-
2504231

RoHS

Each
1+
zł348.660
5+
zł342.410
10+
zł336.420
Min: 1 / Mult: 1
K8AK
DPDT-NC
5A
DIN Rail
-
Screw
250V
480V
-
3 Phase
-
200VAC
480VAC
CSA, UL
2102326

RoHS

Each
1+
zł527.500
Min: 1 / Mult: 1
CM-PFS.S
SPDT
-
DIN Rail
-
Screw
24V
500VAC
-
3 Phase
-
200VAC
500V
UL
2780442

RoHS

Each
1+
zł599.240
Min: 1 / Mult: 1
Zelio RM22UB
DPDT
8A
DIN Rail
-
Screw
250V
240VAC
-
1 Phase
2W
80V
300V
EN, IEC
3111269

RoHS

Each
1+
zł626.670
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
-
Screw
250V
240VAC
-
3 Phase
10VA
200VAC
240VAC
-
3111267

RoHS

Each
1+
zł616.120
5+
zł603.800
10+
zł591.480
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
-
Screw
250V
576VAC
-
3 Phase
15VA
380VAC
480VAC
-
3214134

RoHS

Each
1+
zł1,046.560
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
-
Screw
250V
500VAC
-
3 Phase
3VA
300VAC
500V
-
3214139

RoHS

Each
1+
zł1,033.900
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
-
Screw
250V
500VAC
-
3 Phase
18VA
300VAC
500V
-
3223352

RoHS

Each
1+
zł941.740
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
-
Screwless
230VAC
400VAC
-
3 Phase
-
360VAC
440VAC
-
3922060

RoHS

Each
1+
zł618.230
Min: 1 / Mult: 1
-
DPDT-CO
8A
DIN Rail
-
Screw
250V
576VAC
-
3 Phase
4VA
208VAC
480VAC
-
3214133

RoHS

Each
1+
zł856.660
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
-
Screw
500V
500VAC
-
3 Phase
15VA
300VAC
500V
-
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