Mid Mounted Fuse Handcart Indoor High Voltage Circuit Breaker is an innovative mid mounted handcart switchgear with integrated fuse function, designed specifically for 40.5kV indoor high voltage systems. Adopting vacuum arc extinguishing technology and modular handcart structure, it has the ability to break 40kA short-circuit current, integrates high-voltage fuses to achieve dual protection against overload and short circuit, and saves 30% of cabinet space. Compliant with GB/T 1984 and IEC 62271-100 standards, with a mechanical lifespan of over 10000 cycles and a protection level of IP4X, it is compatible with KYN series switchgear and suitable for high-density and high reliability power scenarios such as industrial and mining power distribution, data centers, and rail transit. It provides an integrated "fuse arc extinguishing" safety solution.
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