Phase Monitoring Relays:

130 Products Found

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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66AH6836

RoHS

Each
1+
$166.490
Min: 1 / Mult: 1
Zelio RM22UB
-
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase
2W
80V
300V
-
23AH3162

RoHS

Each
1+
$268.040
5+
$259.320
10+
$247.310
25+
$235.280
50+
$204.180
Min: 1 / Mult: 1
EMR6
-
DPDT
4A
DIN Rail
Screw
-
500V
500VAC
-
3 Phase
15VA
300VAC
500VAC
-
55AJ2778

RoHS

Each
1+
$259.840
Min: 1 / Mult: 1
Zelio
-
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
10VA
200VAC
240VAC
-
05M4096

RoHS

Each
1+
$159.230
5+
$151.310
10+
$146.560
25+
$141.810
Min: 1 / Mult: 1
DPA53 Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
7VA
160VAC
240VAC
-
55AJ2777

RoHS

Each
1+
$212.280
Min: 1 / Mult: 1
Zelio
-
DPDT
8A
DIN Rail
Screw
-
250VAC
576VAC
-
3 Phase
15VA
380VAC
480VAC
-
15AJ5694

RoHS

Date/Lot Code

Each
1+
$982.850
5+
$878.210
10+
$766.230
25+
$707.000
50+
$637.370
Min: 1 / Mult: 1
PC1 Series
-
SPDT
5A
DIN Rail
Screw
-
250VAC
-
-
3 Phase
3VA
190VAC
600VAC
-
43W4762

RoHS

Date/Lot Code

Each
1+
$469.350
5+
$445.890
10+
$431.810
25+
$417.730
Min: 1 / Mult: 1
S142A Series
-
SPDT
8A
Socket
PC Pin
-
250VAC
24VAC
-
-
3.3VA
20.4VAC
27.6VAC
-
55T7542

RoHS

Each
1+
$128.550
10+
$122.410
25+
$116.280
50+
$110.140
100+
$104.010
Min: 1 / Mult: 1
CM-PFE
-
SPDT
4A
DIN Rail
Screw
-
250VAC
440VAC
-
3 Phase
15VA
208VAC
440VAC
-
09P6672

RoHS

Date/Lot Code

Each
1+
$284.520
5+
$277.400
10+
$270.290
25+
$256.070
50+
$241.830
Min: 1 / Mult: 1
-
-
DPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
2.9VA
194V
528V
-
23AH3169

RoHS

Each
1+
$309.090
5+
$299.050
10+
$285.200
25+
$271.320
50+
$235.450
Min: 1 / Mult: 1
EMR6
-
DPDT
4A
DIN Rail
Screw
-
250VAC
500VAC
-
3 Phase
18VA
300VAC
500VAC
-
50AJ8750

RoHS

Each
1+
$134.050
Min: 1 / Mult: 1
Zelio
-
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
183VAC
528V
-
26AK3439

RoHS

Each
1+
$170.200
Min: 1 / Mult: 1
-
-
DPDT-CO
8A
DIN Rail
Screw
-
250VAC
576VAC
-
3 Phase
4VA
208VAC
480VAC
-
11R2673

RoHS

Each
1+
$179.390
10+
$154.080
25+
$148.040
50+
$141.470
100+
$129.610
More Pricing...
Min: 1 / Mult: 1
MK 9056
-
DPDT
-
DIN Rail
Screw
-
230VAC
500VAC
-
3 Phase
-
-
-
-
66AH6827

RoHS

Each
1+
$158.410
10+
$150.770
25+
$137.790
50+
$123.540
100+
$115.910
Min: 1 / Mult: 1
Zelio
-
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
-
-
-
24W8372

RoHS

Each
1+
$852.190
5+
$824.500
10+
$786.330
25+
$748.060
50+
$649.170
Min: 1 / Mult: 1
BD 9080
-
DPDT
-
DIN Rail
Screw
-
230VAC
400VAC
-
3 Phase
2.4VA
-
-
-
27R1423

RoHS

Date/Lot Code

Each
1+
$314.740
5+
$314.740
10+
$314.740
25+
$314.740
Min: 1 / Mult: 1
S142A Series
-
SPDT
8A
Socket
PC Pin
-
250VAC
24VAC
-
-
3.3VA
20.4VAC
27.6VAC
-
66AH6830

RoHS

Each
1+
$183.410
Min: 1 / Mult: 1
Zelio RM22UA
-
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
380VAC
480VAC
-
67AH3181

RoHS

Each
1+
$184.120
10+
$174.550
25+
$157.810
Min: 1 / Mult: 1
Zelio
-
DPDT
5A
DIN Rail
Screw
-
250VAC
440VAC
-
3 Phase
22VA
183VAC
484V
-
38Y7644

RoHS

Date/Lot Code

Each
1+
$116.830
5+
$114.170
10+
$111.520
25+
$106.220
50+
$100.920
More Pricing...
Min: 1 / Mult: 1
K8AK-PH Series
-
DPDT-NC
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
4.1VA
200VAC
480VAC
-
06X0781
Each
1+
$168.530
Min: 1 / Mult: 1
-
-
SPDT
10A
-
Plug In
-
240VAC
550VAC
-
3 Phase
90VA
200VAC
500VAC
-
85AK6218

RoHS

Each
1+
$251.620
Min: 1 / Mult: 1
PPB01 Series
-
SPDT
8A
Socket
Plug In
-
250VAC
-
-
3 Phase
2.5VA
380VAC
480VAC
-
69AK8655

RoHS

Each
1+
$57.130
100+
$57.130
250+
$57.130
500+
$57.130
1000+
$57.130
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
SPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
-
69AK8663

RoHS

Each
1+
$69.080
100+
$63.320
250+
$63.320
500+
$63.320
1000+
$63.320
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
5VA
-
240VAC
-
69AK8664

RoHS

Each
1+
$44.700
100+
$44.700
250+
$44.700
500+
$44.700
1000+
$44.700
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase, 3 Phase
5VA
-
240VAC
-
69AK8666

RoHS

Each
1+
$50.660
100+
$50.660
250+
$50.660
500+
$50.660
1000+
$50.660
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
-
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
-
26-50 of 130 items
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