... -Z JB: Machine Tool Transformer K: Control X: Design serial number(1,2,3,4) Z: Rated CapacityWorking Enviconment1.Ambient air ... temperature: -5°C~+40°C, the highest monthly mean temperature should not exceed +30 ... dimension(mm)Installation dimension(mm)Installationhole(mm)K × JBmaxDmaxEmaxACJBK3-40,6382769256±0.447±25×9JBK3-10086909864±0.466±25×9JBK3 ...