... non-frequent start, breaking off working and protecting overload, short circuit and lacking voltage. The product confirms to GB14048.2, IEC60947 ... or harizontal installation. 2, According to use of MCCB: Distribution circuit protection type, motor protection type; 3, According to connection way ... , 25, 32, 40, 50, 63.80, 100, 125, 160, 180, 200, 225, 250, 300, 315, 400, 500, 600, 630 Rated Insulation ...