1. CE and CB, KEMA, BV approval. 2. ISO9001 and ISO14001 approval. 3. ... Manufacture for large quantity. 4. Reasonable packing. CDSB1 Series KEMA CB breaker switch Full fill following StandardGB10963,IEC898,BS3871CasingAnti-Fire materialTerminal ... Frequency50/60HzTripping CurveB, C, DMaximum Breaking Capacity4500A (certified by KEMA, CB, CE, CCC)Endurance4000 circlesRated Current 1pole >>> 1A, 2A, 3A, ...