... two dimensions (ie, two frameworks, code-named C, D). 2)into the main circuit poles: 3 pole, ... C framework includes: 12A, 16A, 18A, 32A, 45A; D framework include: 16A, 18A, 32A, 45A, 63A, 100A, ... . normal working conditions and installation conditions 1)ambient air temperature: -5 °C ~ +40 °C (24 hours ... of not more than 50% in the low temperature allows a higher relative humidity, for example, 90% at ...