BDZ52 proof circuit breaker Features: 1, depending on the current size, die-cast aluminum housing or steel welding, surface spray treatment; 2, installed inside MCB or low voltage MCCB; overload, short-circuit protection function; 3, you can install leakage protection; 4, after the installation of leakage protection, when the leakage current reaches or exceeds the specified value, can automatically tripped, cutting off the line, and to ensure personal safety equipment; 5, the working voltage of 220V or 380V . tripping current can be free to choose between 1A-630A (Note: 32A-100A can be installed MCB, 100A-630A can be mounted MCCB). BDZ52 breaker explosion stable performance, reliable quality, one year package change, three-year warranty.