Phase Monitoring Relays:

98 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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4163407

RoHS

Each
1+
HK$685.510
5+
HK$658.050
10+
HK$645.130
20+
HK$632.650
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
4163395

RoHS

Each
1+
HK$772.920
5+
HK$741.970
10+
HK$727.420
20+
HK$713.420
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
4163403

RoHS

Each
1+
HK$505.510
5+
HK$485.310
10+
HK$475.760
20+
HK$466.530
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
4163398

RoHS

Each
1+
HK$739.260
5+
HK$709.620
10+
HK$695.720
20+
HK$682.360
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
16VA
208VAC
480VAC
4163402

RoHS

Each
1+
HK$477.820
5+
HK$458.710
10+
HK$449.700
20+
HK$441.130
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
2056305

RoHS

Each
1+
HK$2,999.450
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
194VAC
528VAC
1344233

RoHS

Each
1+
HK$746.910
5+
HK$683.770
10+
HK$620.620
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1W
208VAC
480VAC
2455513

RoHS

Each
1+
HK$786.380
5+
HK$762.770
10+
HK$747.520
Min: 1 / Mult: 1
Zelio
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
-
-
2835320

RoHS

Each
1+
HK$1,439.750
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
380V
480VAC
2780442

RoHS

Each
1+
HK$1,204.490
Min: 1 / Mult: 1
Zelio RM22UB
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase
2W
80V
300V
3111268

RoHS

Each
1+
HK$881.210
5+
HK$725.260
10+
HK$710.760
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
183VAC
528VAC
2295793

RoHS

Each
1+
HK$923.980
5+
HK$905.510
10+
HK$887.030
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250VAC
415VAC
-
3 Phase
11VA
380V
415VAC
1895998

RoHS

Each
1+
HK$797.420
5+
HK$656.340
10+
HK$643.220
Min: 1 / Mult: 1
CM-PFE
SPDT
4A
DIN Rail
Screw
-
250VAC
440VAC
-
3 Phase
15VA
208VAC
440VAC
4259624
Each
1+
HK$1,267.340
Min: 1 / Mult: 1
-
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
3111267

RoHS

Each
1+
HK$1,324.450
5+
HK$1,297.970
10+
HK$1,271.480
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250VAC
576VAC
-
3 Phase
15VA
380V
480VAC
2780443

RoHS

Each
1+
HK$2,782.320
Min: 1 / Mult: 1
Zelio RM35UB3
DPDT
5A
DIN Rail
Screw
-
250VAC
277VAC
-
3 Phase
3.9VA
114VAC
329VAC
3922060

RoHS

Each
1+
HK$1,103.460
Min: 1 / Mult: 1
-
DPDT-CO
8A
DIN Rail
Screw
-
250VAC
576VAC
-
3 Phase
4VA
208VAC
480VAC
2507215

RoHS

Each
1+
HK$1,133.640
Min: 1 / Mult: 1
K8AK
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
2504231

RoHS

Each
1+
HK$770.330
5+
HK$749.240
10+
HK$727.620
Min: 1 / Mult: 1
K8AK
DPDT-NC
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
-
200VAC
480VAC
2507225

RoHS

Each
1+
HK$531.060
5+
HK$520.440
10+
HK$509.820
Min: 1 / Mult: 1
K8DS
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
3223352

RoHS

Each
1+
HK$1,468.150
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
Screwless
-
230VAC
400VAC
-
3 Phase
-
360VAC
440VAC
3214133

RoHS

Each
1+
HK$2,264.680
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
Screw
-
500V
500VAC
-
3 Phase
15VA
300VAC
500VAC
3111269

RoHS

Each
1+
HK$1,555.490
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
10VA
200VAC
240VAC
9514430

RoHS

Each
1+
HK$4,564.200
Min: 1 / Mult: 1
BD 9080
DPDT
-
DIN Rail
Screw
-
230VAC
400VAC
-
3 Phase
2.4VA
-
-
9515399

RoHS

Each
1+
HK$1,066.660
5+
HK$1,064.780
10+
HK$1,062.900
Min: 1 / Mult: 1
MK 9056
DPDT
-
DIN Rail
Screw
-
230VAC
500VAC
-
3 Phase
-
-
-
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