Miniature Circuit Breaker JCBH-125 10kA high performance

JCBH-125 Miniature circuit breaker provide perfect Solution for Electrical Circuit Protection. Our JCBH-125 breaker is designed to provide superior circuit protection. With its cutting-edge technology and robust construction, this circuit breaker offers unrivaled performance and reliability.

JCBH-125 125A Miniature Circuit Breaker is ideal for both residential and commercial applications. Whether it's used in residential buildings, commercial establishments, industrial facilities, or even heavy machinery, this circuit breaker ensures reliable and consistent performance. Its miniature size allows for easy installation in a variety of electrical systems without compromising functionality.

One of the key features of our JCBH-125 125A Miniature Circuit Breaker is its breaking capacity up to 10,000 Amps. This ensures that the breaker can effectively handle high fault currents, protecting your circuits from potential damage caused by short circuits or overloads. With its advanced tripping mechanisms, this breaker swiftly disconnects the circuit in case of any abnormal conditions, preventing any electrical accidents and minimizing downtime.

JCBH-125 breaker is compact size, which allows for convenient installation in electrical panels , distribution boards & Consumer unit.

Safety is a top priority when it comes to electrical systems, our JCBH-125 125A Miniature Circuit Breaker is equipped with a reliable tripping mechanism that provides precise and responsive circuit protection. This advanced technology allows the breaker to sense both overcurrents and overloads, automatically disconnecting the circuit before any potential hazards can occur.

The range of JCB-H-125 MCB's offers more features, better connection, superior performance and increased levels of security. With its superior functionality, it acts as a crucial safety net by automatically interrupting the power supply in the event of a fault, preventing any potential hazards such as overheating or electrical fires.

JCBH-125 MCB offers short circuit protection, effectively preventing excessive current flow in the event of a short circuit. Additionally, it provides overload protection, automatically cutting off the power supply if the electrical load exceeds its defined capacity. With these protective mechanisms, the circuit breaker guarantees the safety of both electrical circuits and connected devices.

JCBH-125 breaker is 35mm Din rail mounted product. They are all comply with IEC 60947-2 standard.

The most important features

The most important features of our circuit breakers include comprehensive protection functions to ensure the safety and reliability of electrical systems. This includes short circuit and overload protection with a high breaking capacity of 10kA, providing strong defense against electrical faults. Compact 27mm width per pole and 35mm DIN rail mounting allows easy and safe installation in a variety of electrical panels and switchboards.

The circuit breaker is equipped with a contact indicator that visually confirms contact status, adding convenience and safety. The circuit breaker has a current range of 63A to 125A, providing flexibility to meet different application requirements. Its rated impulse withstand voltage (1.2/50) Uimp is 4000V, ensuring reliable performance in the face of transient overvoltage.

In addition, 1-pole, 2-pole, 3-pole and 4-pole configurations are available, as well as C- and D-curve characteristic options, allowing solutions to be customized to meet specific circuit protection needs. Complying with international standards such as IEC 60898-1, EN60898-1, AS/NZS 60898, and residential standards IEC60947-2, EN60947-2, AS/NZS 60947-2, it emphasizes the reliability and safety of the circuit breaker, making it a widely used Ideal for applications.

Technical Data

Our circuit breakers are designed to meet the highest performance and safety standards and their technical specifications prove this. The circuit breaker complies with international standards such as IEC 60898-1, EN 60898-1, IEC60947-2 and EN60947-2, ensuring its reliability and compliance with industry regulations.

With current ratings ranging from 63A to 125A, this circuit breaker is suitable for a wide range of applications, providing flexible options to meet specific electrical system requirements. The rated operating voltage is 110V, 230V/240V (1P, 1P+N), 400V (3P, 4P), ensuring compatibility with various electrical systems.

The rated breaking capacity is 6kA or 10kA, the insulation voltage is 500V, and the rated impulse withstand voltage is 4kV, demonstrating the circuit breaker's ability to effectively handle electrical faults and transient overvoltages. The thermal magnetic tripping characteristics are available in C-curve and D-curve options, providing tailor-made protection for different applications.

In terms of durability, the circuit breaker has a mechanical life of 20,000 times and an electrical life of 4,000 times, ensuring long-term reliability and performance. Its protection level is IP20 and its ambient temperature range is -5°C to +40°C, making it suitable for a variety of environmental conditions.

The circuit breaker is equipped with a contact position indicator, green means "OFF" and red means "ON", allowing visual confirmation of the contact status to improve safety. Terminal connection types include cable or pin busbar options, providing installation flexibility.

In terms of installation, the circuit breaker is designed to be easily installed on DIN rail EN 60715 (35mm) using a quick clamp device. The recommended torque is 2.5Nm to ensure safe and reliable installation. These technical specifications highlight the circuit breaker's robust design and advanced features, making it ideal for ensuring the safety and reliability of electrical systems in a variety of applications.

What is a miniature circuit breaker?

JCBH-125 Miniature Circuit Breaker (MCB) is an important component in electrical systems, acting as an automatic switch to disconnect circuits under abnormal conditions such as overload or malfunction. This modern alternative to traditional fuses is widely used in low-voltage power grids because of its ability to provide reliable protection and ensure the safety of electrical systems.

Is MCB used for safety purposes?

In fact, miniature circuit breakers play a vital role in ensuring the safety of homes and commercial buildings by preventing overloads. Their ability to handle large amounts of power makes them a more reliable and safer option than traditional fuses. Additionally, MCBs have the advantage of ensuring that power is evenly distributed among all connected devices, contributing to a more balanced and safe electrical system.

Can MCB protect from fire?

The main function of the MCB is to protect against overloading, which is essential to prevent potential fire hazards. When the current exceeds the circuit rating, the miniature circuit breaker will trip and interrupt the current, effectively preventing system damage and reducing the risk of fire. This critical protective function makes MCBs an indispensable component in ensuring the safety and reliability of electrical systems in a variety of applications.