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.
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16C3176

RoHS

Each
1+
$134.60
5+
$128.65
10+
$125.08
25+
$121.51
Total:$134.60
Min: 1 / Mult: 1
DPA01 Series
DPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
10VA
323VAC
550VAC
-
29M7937

RoHS

Date/Lot Code

Each
1+
$245.38
5+
$239.25
10+
$233.12
25+
$220.85
50+
$208.58
More Pricing...
Total:$245.38
Min: 1 / Mult: 1
PMD Series
DPDT
10A
DIN Rail
Cage Clamp
277VAC
500VAC
3 Phase
40VA
190VAC
500VAC
CE, CUL
66Y0750

RoHS

Each
1+
$193.39
10+
$183.72
25+
$174.06
50+
$164.39
100+
$154.72
Total:$193.39
Min: 1 / Mult: 1
CM Series
DPDT
4A
DIN Rail
Screw
24V
500VAC
3 Phase
-
200VAC
500VAC
CSA, IEC, UL
34AC8741

RoHS

Date/Lot Code

Each
1+
$284.60
5+
$261.01
10+
$237.43
25+
$222.77
Total:$284.60
Min: 1 / Mult: 1
-
DPDT
10A
Panel Mount
Screw
240VAC
190VAC
3 Phase
5W
190VAC
480VAC
CSA, UL
66AH6834

RoHS

Each
1+
$182.86
Total:$182.86
Min: 1 / Mult: 1
Harmony RM22UA Series
DPDT
8A
DIN Rail
Screw
250VAC
240V
1 Phase
1.5W
15V
500VAC
-
55AJ2778

RoHS

Each
1+
$196.48
Total:$196.48
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
250VAC
240V
3 Phase
10VA
200VAC
240VAC
-
66AH6836

RoHS

Each
1+
$172.00
Total:$172.00
Min: 1 / Mult: 1
Harmony RM22UB Series
DPDT
8A
DIN Rail
Screw
250VAC
240V
1 Phase
2W
80V
300V
-
23AH3162

RoHS

Each
1+
$278.82
5+
$270.30
10+
$258.55
25+
$246.77
50+
$216.33
Total:$278.82
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
Screw
500V
500VAC
3 Phase
15VA
300VAC
500VAC
-
55AJ2777

RoHS

Each
1+
$186.90
Total:$186.90
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
250VAC
576VAC
3 Phase
15VA
380VAC
480VAC
-
09P6672

RoHS

Date/Lot Code

Each
1+
$275.04
Total:$275.04
Min: 1 / Mult: 1
Harmony RM35UB3 Series
DPDT
5A
DIN Rail
Screw
250VAC
480VAC
3 Phase
2.9VA
194V
528V
-
50AJ8750

RoHS

Each
1+
$104.08
Total:$104.08
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
15VA
183VAC
528V
-
23AH3169

RoHS

Each
1+
$334.94
5+
$324.70
10+
$310.58
25+
$296.43
50+
$259.87
Total:$334.94
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
Screw
250VAC
500VAC
3 Phase
18VA
300VAC
500VAC
-
11R2673

RoHS

Each
1+
$188.22
10+
$163.08
25+
$157.09
50+
$150.56
100+
$138.76
More Pricing...
Total:$188.22
Min: 1 / Mult: 1
-
DPDT
-
DIN Rail
Screw
230V
500VAC
3 Phase
-
-
-
-
24W8372

RoHS

Each
1+
$904.02
5+
$876.50
10+
$838.58
25+
$800.56
50+
$702.32
Total:$904.02
Min: 1 / Mult: 1
BD 9080 Series
DPDT
-
DIN Rail
Screw
230V
400VAC
3 Phase
2.4VA
-
-
-
67AH3181

RoHS

Each
1+
$168.55
Total:$168.55
Min: 1 / Mult: 1
Harmony RM17 Series
DPDT
5A
DIN Rail
Screw
250VAC
440VAC
3 Phase
22VA
183VAC
484V
-
06AC2593

RoHS

Date/Lot Code

Each
1+
$155.61
10+
$147.84
25+
$140.05
50+
$132.27
100+
$124.49
Total:$155.61
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
15VA
380VAC
480VAC
-
69AK8666

RoHS

Each
1+
$156.38
100+
$131.80
250+
$121.08
500+
$116.17
1000+
$110.36
Total:$156.38
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
250VAC
415VAC
3 Phase
10VA
-
415VAC
-
69AK8664

RoHS

Each
1+
$137.97
100+
$116.29
250+
$106.83
500+
$102.49
1000+
$97.37
Total:$137.97
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
250VAC
240V
1 Phase, 3 Phase
5W
-
240VAC
-
69AK8663

RoHS

Each
1+
$137.97
100+
$116.29
250+
$106.83
500+
$102.49
1000+
$97.37
Total:$137.97
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
250VAC
240V
3 Phase
5W
-
240VAC
-
69AK8657

RoHS

Each
1+
$203.51
100+
$171.53
250+
$157.58
500+
$151.18
1000+
$143.62
Total:$203.51
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
240VAC
300V
3 Phase
5W
85V
300V
-
69AK8667

RoHS

Each
1+
$156.38
100+
$131.80
250+
$121.08
500+
$116.17
1000+
$110.36
Total:$156.38
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
250VAC
415VAC
3 Phase
10VA
-
415VAC
-
69AK8665

RoHS

Each
1+
$137.97
100+
$116.29
250+
$106.83
500+
$102.49
1000+
$97.37
Total:$137.97
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
250VAC
415VAC
3 Phase
10VA
-
415VAC
-
69AK8656

RoHS

Each
1+
$189.82
100+
$159.99
250+
$146.97
500+
$141.01
1000+
$133.96
Total:$189.82
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
240VAC
500VAC
3 Phase
5W
145VAC
500VAC
-
59AM5576
Each
1+
$129.72
5+
$118.33
10+
$116.68
25+
$113.96
50+
$108.53
More Pricing...
Total:$129.72
Min: 1 / Mult: 1
LPRC/2/WS Series
DPDT
5A
DIN Rail
Screw
250VAC
415VAC
3 Phase (3 Wire)
2.5VA
380VAC
415VAC
-
06X0737

RoHS

Each
1+
$170.89
Total:$170.89
Min: 1 / Mult: 1
SLA Series
DPDT
10A
-
Plug In
240VAC
-
3 Phase
345VA
190VAC
270V
-
1-25 of 52 items
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