"Mccb 250A 3 Pole Mouled Case Circuit Breaker, Rated Voltage 415V, Rated C Urrent 250A, 3Ph,50Hz Of Minimum 35Ka Rupturing Capacity At 415V 50Hz Ac With Thermal And Magnetic O/L.The Thermal O/L Setting Shal Be Vatriable Covering A Minimum Range Of 200 To 250A. The Mccb Shall Be Confirming To Is: 13947 Part Ii (Latest Revision). ]