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Protection & Control Solutions:

3,044 Products Found

Farnell offers a comprehensive range of protection and control solutions designed to safeguard motor and automation systems. Our selection includes electronic overload relays, thermal overload relays, switch disconnectors, phase angle controllers and multi-voltage relays. These products are engineered to deliver reliable performance, enhanced safety and operational efficiency across industrial and commercial settings. With leading brands and competitive pricing, Farnell ensures that you have the right solutions to keep your systems running smoothly.

Protection and control solutions are critical components in motor and automation systems. They help monitor, protect and control motors by detecting overload conditions, phase imbalances and voltage fluctuations. These solutions prevent damage to equipment, reduce downtime and improve overall system longevity.

Electronic Overload Relays: Protect motors from overcurrent and overheating. Thermal Overload Relays: Use temperature-sensitive elements to disconnect circuits during overheating. Switch Disconnectors: Provide a safe and secure way to isolate electrical circuits. Phase Angle Controllers: Regulate motor speed and power consumption. Multi-Voltage Relays: Adapt to varying voltage inputs for flexible operation.

Applications:

  • Industrial Automation: Motor protection and load control.
  • HVAC Systems: Ensuring efficient and safe operation of heating and cooling units.
  • Manufacturing: Protecting machinery from electrical faults.
  • Renewable Energy: Managing voltage and current flow in solar and wind systems.
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Engineer
Manufacturer
No. of Poles
Contact Voltage AC Max
Contact Current AC Max
IP / NEMA Rating
Packaging
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ComparePrice ForQuantity
2771168

RoHS

Each
1+
US$358.611
5+
US$325.097
Total:US$358.61
Min: 1 / Mult: 1
3 Pole
400V
21.8A
IP20, IP65
1390458

RoHS

Each
1+
US$42.706
5+
US$40.575
10+
US$39.758
20+
US$38.954
Total:US$42.71
Min: 1 / Mult: 1
3 Pole
690V
32A
IP65
3762823

RoHS

Each
1+
US$88.654
5+
US$85.546
10+
US$81.271
25+
US$77.398
Total:US$88.65
Min: 1 / Mult: 1
4 Pole
690V
40A
IP65
3763194

RoHS

Each
1+
US$36.354
5+
US$35.081
10+
US$33.326
25+
US$31.745
Total:US$36.35
Min: 1 / Mult: 1
-
690V
40A
-
3762822

RoHS

Each
1+
US$83.187
5+
US$80.253
10+
US$76.246
25+
US$72.628
Total:US$83.19
Min: 1 / Mult: 1
4 Pole
690V
32A
-
3531456

RoHS

Each
1+
US$21.829
5+
US$21.051
10+
US$20.006
25+
US$19.055
Total:US$21.83
Min: 1 / Mult: 1
4 Pole
690V
25A
-
3531449

RoHS

Each
1+
US$23.463
5+
US$22.633
10+
US$21.507
25+
US$20.489
Total:US$23.46
Min: 1 / Mult: 1
3 Pole
690V
32A
-
3531585

RoHS

Each
1+
US$97.458
5+
US$94.055
10+
US$89.351
25+
US$85.077
Total:US$97.46
Min: 1 / Mult: 1
8 Pole
690V
40A
-
3531586

RoHS

Each
1+
US$74.571
5+
US$71.958
10+
US$68.367
25+
US$65.097
Total:US$74.57
Min: 1 / Mult: 1
4 Pole
690V
25A
IP65
3531588

RoHS

Each
1+
US$76.554
5+
US$73.874
10+
US$70.162
25+
US$66.839
Total:US$76.55
Min: 1 / Mult: 1
6 Pole
690V
25A
-
3531459

RoHS

Each
1+
US$32.348
5+
US$31.209
10+
US$29.654
25+
US$28.234
Total:US$32.35
Min: 1 / Mult: 1
4 Pole
690V
32A
-
3763189

RoHS

Each
1+
US$140.459
5+
US$135.541
10+
US$128.761
25+
US$122.623
Total:US$140.46
Min: 1 / Mult: 1
-
-
-
-
3762817

RoHS

Each
1+
US$23.155
5+
US$22.338
10+
US$21.226
25+
US$20.221
Total:US$23.16
Min: 1 / Mult: 1
-
690V
32A
-
3763191

RoHS

Each
1+
US$66.571
5+
US$64.213
10+
US$61.010
25+
US$58.116
Total:US$66.57
Min: 1 / Mult: 1
-
690V
125A
-
3531453

RoHS

Each
1+
US$35.215
5+
US$33.982
10+
US$32.294
25+
US$30.740
Total:US$35.22
Min: 1 / Mult: 1
3 Pole
690V
63A
-
3763190

RoHS

Each
1+
US$27.349
5+
US$26.385
10+
US$25.058
25+
US$23.865
Total:US$27.35
Min: 1 / Mult: 1
-
690V
25A
-
3763192

RoHS

Each
1+
US$32.763
5+
US$31.624
10+
US$30.043
25+
US$28.622
Total:US$32.76
Min: 1 / Mult: 1
-
690V
32A
-
2316505

RoHS

SCHNEIDER ELECTRIC
Each
1+
US$186.662
Total:US$186.66
Min: 1 / Mult: 1
3 Pole
600V
30A
NEMA 1, 3, 3R, 4, 4X, 12
3454864

RoHS

Each
1+
US$669.625
Total:US$669.62
Min: 1 / Mult: 1
3 Pole
690V
250A
IP40
2366268

Date/Lot Code

Each
1+
US$530.198
5+
US$516.503
10+
US$502.795
25+
US$478.072
Total:US$530.20
Min: 1 / Mult: 1
-
-
-
-
3886216

RoHS

Date/Lot Code

OMRON INDUSTRIAL AUTOMATION
Each
1+
US$1,834.460
Total:US$1,834.46
Min: 1 / Mult: 1
-
-
-
-
4292529

RoHS

Each
1+
US$150.402
Total:US$150.40
Min: 1 / Mult: 1
3 Pole + N
690V
40A
IP65
4292525

RoHS

Each
1+
US$160.666
Total:US$160.67
Min: 1 / Mult: 1
3 Pole
690V
40A
IP65
4292542

RoHS

Each
1+
US$110.349
5+
US$106.329
10+
US$104.440
Total:US$110.35
Min: 1 / Mult: 1
3 Pole
690V
40A
IP65
4292496

RoHS

Each
1+
US$254.252
Total:US$254.25
Min: 1 / Mult: 1
4 Pole
690V
25A
IP65, NEMA 12
226-250 of 3044 items
of 122 page(s)

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