SINAMICS V20 380-480 V 3AC -15%/+10% 47-6 Rated power 18.5 kW with 150% overload for 60 sec. small output overload: 22 kW with 110% overload for 60 sec. unfiltered I/O interface: 4 DI, 2 DQ, 2 AI, 1 AO Fieldbus: USS/Modbus RTU with built-in BOP Degree of protection IP20/UL