Phase Monitoring Relays:

99 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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2295791

RoHS

Each
1+
$188.400
($216.660)
5+
$175.880
($202.262)
10+
$172.370
($198.2255)
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250VAC
240VAC
-
1 Phase
2.6VA
220VAC
240VAC
3050817

RoHS

Each
1+
$176.050
($202.4575)
5+
$172.530
($198.4095)
10+
$169.010
($194.3615)
Min: 1 / Mult: 1
70 Series
DPDT
8A
DIN Rail, Panel
Screw
-
400VAC
480VAC
-
3 Phase
800mW
170VAC
520VAC
2102326

RoHS

Each
1+
$282.900
($325.335)
5+
$277.250
($318.8375)
10+
$271.590
($312.3285)
Min: 1 / Mult: 1
CM-PFS.S
SPDT
-
DIN Rail
Screw
-
24V
500V
-
3 Phase
-
200V
500V
2780440

RoHS

Each
1+
$802.690
($923.0935)
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase
1.5W
15V
500V
2780435

RoHS

Each
1+
$391.980
($450.777)
Min: 1 / Mult: 1
Zelio RM17UB3
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
183VAC
528VAC
3214134

RoHS

Each
1+
$652.940
($750.881)
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
Screw
-
250VAC
500V
-
3 Phase
3VA
300VAC
500V
1895997

RoHS

Each
1+
$161.700
($185.955)
5+
$158.470
($182.2405)
10+
$155.240
($178.526)
Min: 1 / Mult: 1
-
SPST-NO
4A
DIN Rail
Screw
-
250VAC
130VAC
-
1 Phase
-
110VAC
130VAC
3223348

RoHS

Each
1+
$564.520
($649.198)
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
Screwless
-
230VAC
500V
-
3 Phase
-
300VAC
500V
2813563
Each
1+
$237.220
($272.803)
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail
Screw
-
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
2780438

RoHS

Each
1+
$377.750
($434.4125)
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase
1.5W
50mV
5V
3223357

RoHS

Each
1+
$634.630
($729.8245)
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
Screwless
-
230VAC
280VAC
-
3 Phase
-
180VAC
280VAC
3223356

RoHS

Each
1+
$570.530
($656.1095)
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
Screwless
-
230VAC
500V
-
3 Phase
-
300VAC
500V
1896002

RoHS

Each
1+
$185.000
($212.750)
5+
$181.310
($208.5065)
10+
$177.610
($204.2515)
Min: 1 / Mult: 1
CM-PBE
SPST-NO
-
DIN Rail
Screw
-
-
440VAC
-
3 Phase
-
220VAC
440VAC
1895999

RoHS

Each
1+
$186.170
($214.0955)
5+
$182.460
($209.829)
10+
$178.730
($205.5395)
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
300VAC
460VAC
-
3 Phase
-
185VAC
460VAC
2102318

RoHS

Each
1+
$646.570
($743.5555)
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Spring Clamp
-
300VAC
500V
-
3 Phase
18VA
300VAC
500V
2780439

RoHS

Each
1+
$265.230
($305.0145)
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase
1.5W
1V
100V
2102323

RoHS

Each
1+
$757.880
($871.562)
Min: 1 / Mult: 1
CM-MPN
DPDT
5A
DIN Rail
Screw
-
300VAC
580VAC
-
3 Phase
41VA
350VAC
580VAC
2915307

RoHS

Each
1+
$137.710
($158.3665)
5+
$134.960
($155.204)
10+
$132.200
($152.030)
Min: 1 / Mult: 1
EMD
SPDT
5A
DIN Rail
Quick Connect
-
250VAC
480VAC
-
3 Phase
1.5W
187VAC
519VAC
2813562
Each
1+
$263.280
($302.772)
Min: 1 / Mult: 1
460
SPDT
10A
DIN Rail
Screw
-
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
2915306

RoHS

Each
1+
$145.670
($167.5205)
5+
$142.770
($164.1855)
10+
$139.850
($160.8275)
Min: 1 / Mult: 1
EMD
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1.5W
187VAC
519VAC
3223355

RoHS

Each
1+
$577.120
($663.688)
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
Screwless
-
230VAC
170VAC
-
3 Phase
-
90VAC
170VAC
3223349

RoHS

Each
1+
$184.380
($212.037)
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
Screwless
-
230VAC
500V
-
3 Phase
-
200V
500V
2507217

RoHS

Each
1+
$445.870
($512.7505)
Min: 1 / Mult: 1
K8AK
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
2780441

RoHS

Each
1+
$387.120
($445.188)
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
Screw
-
250VAC
415VAC
-
1 Phase
8VA
15V
500V
2780437

RoHS

Each
1+
$154.840
($178.066)
5+
$151.750
($174.5125)
10+
$148.650
($170.9475)
Min: 1 / Mult: 1
Zelio RM22TU
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
10VA
200V
240VAC
51-75 of 99 items
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