Newark 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.
Show More
View
Buyer
Engineer
Manufacturer
Product Range
Contact Configuration
Contact Current
Relay Mounting
Relay Terminals
Switching Voltage Max
Supply Voltage Max
Phase Type
Power Consumption
Phase Monitoring Range Min
Phase Monitoring Range Max
Approvals & Standards
Packaging
Filter(s) Applied
1 Filter(s) Selected
ComparePrice forQuantity
66Y0750

RoHS

Each
1+
$255.880
10+
$243.090
25+
$230.290
50+
$217.500
100+
$204.700
Min: 1 / Mult: 1
-
DPDT
4A
DIN Rail
Screw
24V
500VAC
3 Phase
-
200VAC
500VAC
CSA, IEC, UL
55T7542

RoHS

Each
1+
$183.320
10+
$174.550
25+
$165.780
50+
$157.000
100+
$148.230
Min: 1 / Mult: 1
CM-PFE
SPDT
4A
DIN Rail
Screw
250V
440VAC
3 Phase
15VA
208VAC
440VAC
-
23AH3169

RoHS

Each
1+
$435.760
5+
$421.600
10+
$402.080
25+
$382.500
50+
$331.950
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
Screw
250V
500VAC
3 Phase
18VA
300VAC
500VAC
-
66Y0773

RoHS

Each
1+
$544.720
5+
$531.110
10+
$517.490
25+
$490.240
Min: 1 / Mult: 1
-
DPDT
4A
DIN Rail
Screw
24V
500VAC
3 Phase
-
300VAC
500VAC
CSA, IEC, UL
23AH3161

RoHS

Each
1+
$442.200
5+
$427.830
10+
$408.020
25+
$388.180
50+
$336.860
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
Screw
250V
500VAC
3 Phase
3VA
300VAC
500VAC
-
34AH3014

RoHS

Each
1+
$546.320
5+
$533.210
10+
$520.100
25+
$493.880
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
Screwless
230VAC
500VAC
3 Phase
-
300VAC
500VAC
-
23AH3162

RoHS

Each
1+
$362.770
5+
$350.980
10+
$334.730
25+
$318.440
50+
$276.350
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
Screw
500V
500VAC
3 Phase
15VA
300VAC
500VAC
-
34AH3016

RoHS

Each
1+
$575.100
5+
$561.310
10+
$547.510
25+
$519.920
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
Screwless
230VAC
500VAC
3 Phase
-
300VAC
500VAC
-
66Y0844

RoHS

Each
1+
$735.810
5+
$717.420
10+
$699.020
25+
$662.230
Min: 1 / Mult: 1
-
DPDT
4A
DIN Rail
Screw
24V
580VAC
3 Phase
-
350VAC
580VAC
CSA, IEC, UL
34AH3021

RoHS

Each
1+
$609.770
5+
$595.150
10+
$580.520
25+
$551.280
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
Screwless
230VAC
170VAC
3 Phase
-
90VAC
170VAC
-
23AH3159

RoHS

Each
1+
$577.420
5+
$558.660
10+
$532.790
25+
$506.850
50+
$439.860
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
Screw
250V
580VAC
3 Phase
41VA
350VAC
580VAC
-
23AH3168

RoHS

Each
1+
$354.320
5+
$342.810
10+
$326.930
25+
$311.020
50+
$269.900
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
Screw
250V
400VAC
3 Phase
18VA
360VAC
440VAC
-
34AH3017

RoHS

Each
1+
$272.890
10+
$259.770
25+
$246.630
50+
$233.510
100+
$220.390
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
Screwless
230VAC
500VAC
3 Phase
-
200VAC
500VAC
-
34AH3022

RoHS

Each
1+
$609.770
5+
$595.150
10+
$580.520
25+
$551.280
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
Screwless
230VAC
280VAC
3 Phase
-
180VAC
280VAC
-
80AK6461

RoHS

Each
1+
$662.920
5+
$641.380
10+
$611.690
25+
$581.910
50+
$504.990
Min: 1 / Mult: 1
CM-MPN Series
DPDT
4A
DIN Rail
Push In
250V
820VAC
3 Phase
59VA
530VAC
820VAC
-
97AK4962

RoHS

Each
1+
$412.190
5+
$398.120
10+
$378.720
25+
$359.260
50+
$309.000
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
Screw
250V
280VAC
3 Phase
3VA
180VAC
280VAC
-
1-16 of 16 items
of 1 page(s)

Popular Suppliers

EATON
SCHNEIDER ELECTRIC
HONEYWELL
WAGO
IDEC
OMRON
BELDEN
ABB