The product description
NDWl7 series of universal circuit breaker used in ac 50 hz, rated voltage 380 v, 660 v circuit, power distribution and line not frequent transformation, the lines and electrical equipment overload, under voltage and short circuit protection, and has a hierarchical select protection, can be directly starting motor, and protect the motor, generator and rectifying device from overload, owe voltage and short circuit is not normal, the product has compact structure, small volume, light weight, strong series, good parts interchangeability and protection system is complete, high technical and economic indexes and convenient use, etc.
The product structure is fixed or drawer-type structure.
Meet the standard: GB140482-2001