Phase Monitoring Relays:

94 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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2056305

RoHS

Each
1+
$519.300
($597.195)
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
22VA
194VAC
528VAC
2056304

RoHS

Each
1+
$338.730
($389.5395)
5+
$331.960
($381.754)
10+
$325.190
($373.9685)
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
Screw
-
250V
440VAC
-
3 Phase
22VA
183V
484V
1344233

RoHS

Each
1+
$154.060
($177.169)
5+
$144.550
($166.2325)
10+
$135.020
($155.273)
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
1W
208VAC
480VAC
2455513

RoHS

Each
1+
$252.130
($289.9495)
5+
$247.090
($284.1535)
10+
$242.050
($278.3575)
Min: 1 / Mult: 1
Zelio
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
22VA
-
-
2835320

RoHS

Each
1+
$411.430
($473.1445)
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
15VA
380V
480VAC
2780442

RoHS

Each
1+
$256.880
($295.412)
Min: 1 / Mult: 1
Zelio RM22UB
DPDT
8A
DIN Rail
Screw
-
250V
240VAC
-
1 Phase
2W
80V
300V
3111268

RoHS

Each
1+
$164.460
($189.129)
5+
$161.180
($185.357)
10+
$157.890
($181.5735)
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
15VA
183V
528VAC
2295793

RoHS

Each
1+
$221.960
($255.254)
5+
$213.870
($245.9505)
10+
$209.600
($241.040)
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250V
415VAC
-
3 Phase
11VA
380V
415VAC
1895998

RoHS

Each
1+
$258.440
($297.206)
5+
$253.280
($291.272)
10+
$248.110
($285.3265)
Min: 1 / Mult: 1
CM-PFE
SPDT
4A
DIN Rail
Screw
-
250V
440VAC
-
3 Phase
15VA
208VAC
440VAC
2102326

RoHS

Each
1+
$274.650
($315.8475)
5+
$269.170
($309.5455)
10+
$263.670
($303.2205)
Min: 1 / Mult: 1
CM-PFS.S
SPDT
-
DIN Rail
Screw
-
24V
500V
-
3 Phase
-
200V
500V
3111267

RoHS

Each
1+
$275.900
($317.285)
5+
$270.390
($310.9485)
10+
$264.870
($304.6005)
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250V
576VAC
-
3 Phase
15VA
380V
480VAC
3214134

RoHS

Each
1+
$652.940
($750.881)
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
Screw
-
250V
500V
-
3 Phase
3VA
300VAC
500V
2780443

RoHS

Each
1+
$425.470
($489.2905)
Min: 1 / Mult: 1
Zelio RM35UB3
DPDT
5A
DIN Rail
Screw
-
250V
277VAC
-
3 Phase
3.9VA
114VAC
329VAC
3922060

RoHS

Each
1+
$276.830
($318.3545)
Min: 1 / Mult: 1
-
DPDT-CO
8A
DIN Rail
Screw
-
250V
576VAC
-
3 Phase
4VA
208VAC
480VAC
2507215

RoHS

Each
1+
$382.180
($439.507)
Min: 1 / Mult: 1
K8AK
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
2504231

RoHS

Each
1+
$189.290
($217.6835)
5+
$181.290
($208.4835)
10+
$174.140
($200.261)
Min: 1 / Mult: 1
K8AK
DPDT-NC
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
-
200V
480VAC
2507225

RoHS

Each
1+
$195.150
($224.4225)
5+
$191.250
($219.9375)
10+
$187.350
($215.4525)
Min: 1 / Mult: 1
K8DS
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
3223352

RoHS

Each
1+
$474.340
($545.491)
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
Screwless
-
230VAC
400VAC
-
3 Phase
-
360VAC
440VAC
4259621
Each
1+
$202.690
($233.0935)
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250V
230VAC
-
3 Phase
8VA
170VAC
290VAC
4259625
Each
1+
$272.840
($313.766)
Min: 1 / Mult: 1
-
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200V
430VAC
3214133

RoHS

Each
1+
$406.520
($467.498)
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
Screw
-
500V
500V
-
3 Phase
15VA
300VAC
500V
3111269

RoHS

Each
1+
$265.080
($304.842)
5+
$259.780
($298.747)
10+
$254.480
($292.652)
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250V
240VAC
-
3 Phase
10VA
200V
240VAC
9514430

RoHS

Each
1+
$1,125.480
($1,294.302)
Min: 1 / Mult: 1
BD 9080
DPDT
-
DIN Rail
Screw
-
230VAC
400VAC
-
3 Phase
2.4VA
-
-
9515399

RoHS

Each
1+
$255.920
($294.308)
5+
$250.810
($288.4315)
10+
$245.690
($282.5435)
Min: 1 / Mult: 1
MK 9056
DPDT
-
DIN Rail
Screw
-
230VAC
500V
-
3 Phase
-
-
-
3214139

RoHS

Each
1+
$736.870
($847.4005)
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
Screw
-
250V
500V
-
3 Phase
18VA
300VAC
500V
1-25 of 94 items
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