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BY06-125DC MCB 6kA DC Miniature Circuit Breaker

The BY06-125DC series 6kA DC miniature circuit breaker (MCB) supports a rated current of up to 125A with 1P, 2P, and 4P configurations. It operates at 250VDC, 500VDC, or 1000VDC, offering overload and short-circuit protection. Featuring a flame-retardant casing and compact 27mm single-pole width, it ensures safety and durability.

  • Rated Current In 63A, 80A, 100A, 125A
  • Poles 1P, 2P, 4P
  • Rated Voltage Ue 1P: 250VDC; 2P: 500VDC; 4P: 1000VDC

product detail

Product Features 

  • The BY06-125DC series 6kA DC miniature circuit breaker (MCB) is designed for reliable performance and enhanced safety in DC power systems. It features a rated current of up to 125A and is available in 1P, 2P, and 4P configurations, making it suitable for a wide range of applications. The breaker operates at voltages of 250VDC, 500VDC, or 1000VDC and provides robust protection against overload and short-circuit conditions, ensuring system safety and stability.
  • A key highlight of the BY06-125DC series MCB is its compact design, with a single-pole width of just 27mm, enabling efficient utilization of space in distribution panels while maintaining excellent performance. The breaker is engineered to handle higher current loads, supported by its enhanced internal components, including larger copper conductors and coils, which minimize resistance and heat generation.
  • The casing is constructed from high-quality flame-retardant materials, offering exceptional heat resistance and durability, ensuring safe operation even in demanding environments. The product also incorporates advanced arc-extinguishing technology, which quickly and effectively dissipates arcs generated during switching, thereby extending the service life of the breaker.
  • The BY06-125DC series MCB is ideal for use in solar power systems, energy storage systems, and other DC applications where high current capacity and dependable protection are required. Its precise design and robust features make it a reliable solution for safeguarding electrical systems, protecting both equipment and users from potential hazards.

Technical Parameters

Type Valuesc
Rated Current In 63A, 80A, 100A, 125A
Poles 1P, 2P, 4P
Rated Voltage Ue 1P: 250VDC; 2P: 500VDC; 4P: 1000VDC
Rated Insulation Voltage Ui 1000V
Rated Ultimate Short-circuit Breaking Capacity lcu 6kA
Rated Service Short-circuit Breaking Capacity Ics 6kA
Rated Impulse Withstand Voltage Uimp 4kV
Tripping Curve B, C
Function Over-current, short-circuit

Dimensions

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