... is mainly suitable for overload and short circuit protection. MCB SH Hydraulic magnetic mini circuit breaker is mainly suitable for overload ... of poles :1P, 2P,3P2.Rated current(A):6,10,16,20,25,30,40,50,63,70,80,90,1003 ... = 50A Agency recognition of Approvals:IEC 60947-2SANS VC8036SANS 156 SH Hydraulic Magnetic Circuit Breaker