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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2507225

RoHS

Each
1+
S$80.710
(S$87.9739)
5+
S$79.100
(S$86.219)
10+
S$77.490
(S$84.4641)
Min: 1 / Mult: 1
K8DS Series
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
1344233

RoHS

Each
1+
S$126.980
(S$138.4082)
5+
S$116.020
(S$126.4618)
10+
S$105.060
(S$114.5154)
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
1W
208VAC
480VAC
2295793

RoHS

Each
1+
S$156.030
(S$170.0727)
5+
S$152.910
(S$166.6719)
10+
S$149.790
(S$163.2711)
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250V
415VAC
-
3 Phase
11VA
380VAC
415VAC
1895998

RoHS

Each
1+
S$126.940
(S$138.3646)
5+
S$104.480
(S$113.8832)
10+
S$102.400
(S$111.616)
Min: 1 / Mult: 1
CM-PFE Series
SPDT
4A
DIN Rail
Screw
-
250V
440VAC
-
3 Phase
15VA
208VAC
440VAC
4163401

RoHS

Each
1+
S$84.030
(S$91.5927)
5+
S$72.610
(S$79.1449)
10+
S$71.180
(S$77.5862)
20+
S$70.200
(S$76.518)
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
3VA
208VAC
480VAC
4163403

RoHS

Each
1+
S$67.830
(S$73.9347)
5+
S$66.690
(S$72.6921)
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
15VA
-
415VAC
4163398

RoHS

Each
1+
S$99.200
(S$108.128)
5+
S$97.500
(S$106.275)
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
16VA
208VAC
480VAC
4163402

RoHS

Each
1+
S$64.120
(S$69.8908)
5+
S$63.030
(S$68.7027)
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
15VA
-
415VAC
4163399

RoHS

Each
1+
S$74.910
(S$81.6519)
5+
S$64.750
(S$70.5775)
10+
S$63.470
(S$69.1823)
20+
S$62.600
(S$68.234)
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
3.5VA
208VAC
480VAC
4163395

RoHS

Each
1+
S$103.710
(S$113.0439)
5+
S$101.950
(S$111.1255)
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
2507215

RoHS

Each
1+
S$238.230
(S$259.6707)
Min: 1 / Mult: 1
K8AK Series
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
4259624
Each
1+
S$234.460
(S$255.5614)
Min: 1 / Mult: 1
SLU Series
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
2455513

RoHS

Each
1+
S$130.190
(S$141.9071)
5+
S$126.280
(S$137.6452)
10+
S$123.760
(S$134.8984)
Min: 1 / Mult: 1
Harmony RM17 Series
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
22VA
-
-
4236649

RoHS

Each
1+
S$161.840
(S$176.4056)
5+
S$144.070
(S$157.0363)
10+
S$141.190
(S$153.8971)
Min: 1 / Mult: 1
MWS Series
SPDT
8A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
22VA
183V
528V
4377819

RoHS

Each
1+
S$128.720
(S$140.3048)
5+
S$127.270
(S$138.7243)
10+
S$125.820
(S$137.1438)
Min: 1 / Mult: 1
DPA51 Series
SPDT
5A
DIN Rail
Screw
-
24VDC
480VAC
-
3 Phase
13VA
177VAC
552VAC
4300430

RoHS

Each
1+
S$189.370
(S$206.4133)
Min: 1 / Mult: 1
PPB01 Series
SPDT
8A
Socket
Plug In
-
250V
-
-
3 Phase
2.5VA
380VAC
480VAC
4259621
Each
1+
S$160.140
(S$174.5526)
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250V
230VAC
-
3 Phase
8VA
170VAC
290VAC
4259625
Each
1+
S$215.550
(S$234.9495)
Min: 1 / Mult: 1
SLU Series
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
2811545

RoHS

Each
1+
S$50.800
(S$55.372)
5+
S$50.270
(S$54.7943)
10+
S$49.740
(S$54.2166)
20+
S$48.750
(S$53.1375)
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
250V
250V
415VAC
28V
3 Phase
15VA
-
415VAC
2780436

RoHS

Each
1+
S$241.670
(S$263.4203)
5+
S$221.370
(S$241.2933)
10+
S$201.060
(S$219.1554)
Min: 1 / Mult: 1
Harmony RM17 Series
SPDT
5A
DIN Rail
Screw
-
250V
48V
-
1 Phase
3.9VA
20V
80V
2295791

RoHS

Each
1+
S$152.370
(S$166.0833)
5+
S$141.310
(S$154.0279)
10+
S$138.490
(S$150.9541)
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250V
240VAC
-
1 Phase
2.6VA
220VAC
240VAC
2102326

RoHS

Each
1+
S$167.920
(S$183.0328)
5+
S$146.930
(S$160.1537)
10+
S$121.740
(S$132.6966)
Min: 1 / Mult: 1
CM Series
SPDT
-
DIN Rail
Screw
-
24VDC
500VAC
-
3 Phase
-
200VAC
500VAC
2780435

RoHS

Each
1+
S$306.810
(S$334.4229)
Min: 1 / Mult: 1
Harmony RM17 Series
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
22VA
183V
528V
2813563
Each
1+
S$177.070
(S$193.0063)
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail
Screw
-
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
1895999

RoHS

Each
1+
S$134.080
(S$146.1472)
5+
S$131.400
(S$143.226)
10+
S$128.720
(S$140.3048)
Min: 1 / Mult: 1
CM-PVE Series
SPDT
5A
DIN Rail
Screw
-
300VAC
460VAC
-
3 Phase
-
185VAC
460VAC
1-25 of 44 items
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