LWB – 10-60W, DC-DC Converter for Railway and Industrial Applications | Polytron 10W to 60W Railway and Industrial applications 4:1 Wide Input Range Low profile Operating temperature: -40° to +85°C Download data sheets Industrial LWB10 (135 KB) LWB40 (679 KB) LWB60 (322 KB) Rail & Transportation LWB10 (135 KB) LWB40 (679 KB) LWB60 (322 KB)