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Understanding JCB1-125 Miniature Circuit Breaker (Mcb Mccb)

Jul-29-2025
wanlai electric

The JCB1-125 Mcb Mccb model fully embodies this capability, providing powerful protection up to 6kA or 10kA. Its versatility makes it suitable for a variety of applications, ensuring that electrical systems remain safe under different load conditions. The JCB1-125 is designed to meet the stringent requirements of international standards such as IEC 60898-1 and AS/NZS 60898.

 

A highlight of the JCB1-125 Mcb Mccb is its compact design, with a width of only 27 mm per pole. The slim profile allows for efficient use of switchboard space, allowing multiple circuit breakers to be easily installed without crowding the space. The device is mounted on a 35 mm DIN rail, in line with industry standards, ensuring compatibility with existing setups.The device offers a variety of pole configurations, including single-pole, double-pole, three-pole and four-pole, to meet a variety of circuit needs, further enhancing the ease of installation.

 

The JCB1-125 Mcb Mccb is also equipped with a contact indicator that provides visual cues for the operating status of the circuit breaker. This is particularly useful for maintenance personnel, as it allows a quick assessment of whether a circuit is live or tripped due to an overload or short circuit. In addition, the device offers different rated currents from 63A to 125A, making it convenient for users to select the appropriate model based on specific load requirements. This flexibility ensures that the JCB1-125 can be effectively used in a wide range of applications from residential to industrial facilities.

 

Another key feature of the JCB1-125 Mcb Mccb is its rated impulse withstand voltage (1.2/50) Uimp of 4000V. This feature indicates that the circuit breaker is able to withstand surge voltages caused by lightning strikes or switching operations, thereby enhancing the overall safety of the electrical system. The provision of C and D curves further allows users to select the appropriate tripping characteristics based on their load type, whether resistive or inductive. This customization ensures that the circuit breaker operates optimally under various conditions, providing reliable protection and avoiding unnecessary interruptions.

 

The JCB1-125 miniature circuit breaker (Mcb Mccb) is an effective solution for short circuit and overload protection in electrical systems. Its compact design, easy installation and compliance with international standards make it the first choice for many applications. With features such as contact indicators, multiple pole configurations and customizable breaking capacity, the JCB1-125 stands out in the Mcb Mccb market and becomes a versatile and reliable choice. By investing in this high-quality circuit breaker, users can ensure the safety and service life of electrical equipment, ultimately creating a safer and more efficient power infrastructure.

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