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  • JR Series Thermal Motor Overload Protection Relays
  • JR Series Thermal Motor Overload Protection Relays
  • JR Series Thermal Motor Overload Protection Relays
  • JR Series Thermal Motor Overload Protection Relays
  • JR Series Thermal Motor Overload Protection Relays
  • JR Series Thermal Motor Overload Protection Relays
  • JR Series Thermal Motor Overload Protection Relays
  • JR Series Thermal Motor Overload Protection Relays
  • JR Series Thermal Motor Overload Protection Relays
  • JR Series Thermal Motor Overload Protection Relays
  • JR Series Thermal Motor Overload Protection Relays
  • JR Series Thermal Motor Overload Protection Relays
  • JR Series Thermal Motor Overload Protection Relays
  • JR Series Thermal Motor Overload Protection Relays
  • JR Series Thermal Motor Overload Protection Relays
  • JR Series Thermal Motor Overload Protection Relays
Other Electrical Devices

JR Series Thermal Motor Overload Protection Relays

The JR series protective relay is a key device for fault detection and control protection in power systems, widely used in low- and medium-voltage distribution systems. It provides a variety of protection functions, including overcurrent, undervoltage, phase failure, phase sequence, imbalance, and overload, effectively preventing damage to electrical equipment caused by abnormal operation or faults.

The JR series protective relay features fast response, high sensitivity, and reliable operation, making it suitable for monitoring and automatically protecting equipment such as distribution transformers, motors, and capacitors. Flexible installation allows for easy integration into various control systems, and it can be combined with circuit breakers and contactors to implement tripping or alarm functions, enhancing the safety and stability of power system operations.

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Model specifications Rated voltage Unit
JRS2-12.5 3UA50 tower
JRS2-25 3UA52 tower
JRS2-32 3UA54 tower
JRS2-45 3UA55 tower
JRS2-63 3UA59 tower
JRS2-80 3UA58 tower
JRS2-180 3UA62 tower
JRS2-400 3UA66 tower
JRS2-630 3UA68 tower
JR28-25 LR2D13 tower
JR28-36 LR2D23 tower
JR28-93 LR2D33 tower
JRS1-25 LR1-25 tower
JRS1-80 LR1-40 tower
JRS1-80 LR1-63 tower
JRS1-80 LR1-80 tower
JR36B-20 - tower
JR36B-32 tower
JR36B-63 tower
JR36B-160 tower
JR36B-250 tower
JR36B-400 tower
JR36B-630 tower


Chengxi Electric Group Co., Ltd.

Chengxi Electric Group Co., Ltd.

Chengxi Electric Group Co., Ltd. is an OEM/ODM JR Series Thermal Motor Overload Protection Relays Company and Wholesale JR Series Thermal Motor Overload Protection Relays Supplier. Equipped with modern industrial factory buildings and office facilities, we specialize in the production and operation of circuit breakers, dual power supplies (ATS), AC contactors, and other modern low-voltage electrical products. The company implements a complete and scientific quality management system. Through good faith and strong technical capabilities, our products have earned widespread recognition in the industry. ChengXi Electric adheres to a management philosophy of "Integrity, Pragmatism, Science, Rigor, and Solidarity," always focusing on customer needs and dedicated to the field of low-voltage electrical equipment. Relying on the power system and driven by market demands, ChengXi Electric has provided high-quality products and services to a diverse range of users over the years. We continue to expand our market presence, and our products are widely used in numerous domestic sectors, including electric power systems, nuclear power, national defense, petrochemicals, metallurgy, coal, railways, and more. They play a vital role in many national key projects, winning the trust of a growing number of customers and achieving an excellent reputation within the industry. The company always aims at the global technological frontier, focusing on being a trendsetter in low-voltage apparatus. We strive to promote the development and progress of electric power transmission and distribution, aiming to build a first-class international electrical brand. ChengXi is willing to collaborate with partners worldwide to create a brilliant future together.

Certificate

  • Group standard drafting unit
    Group standard drafting unit
  • AAA-rated credit enterprise
    AAA-rated credit enterprise
  • Wenzhou Enterprise Technology Research and Development Center
    Wenzhou Enterprise Technology Research and Development Center
  • Star Enterprise
    Star Enterprise
  • High-tech enterprises
    High-tech enterprises

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