Technical Specifications (Paco Switch): Zone Class: Zone 1 / Zone 21 Ex-proof Protection: Ex II 2 G Ex d IIC T6 Gb IP Class: IP66 Operating Temperature: -60°C ÷ +60°C Body Material: Corrosion Resistant Aluminum ATEX Certificate: INERIS 04 ATEX 0076X Other Certificates: IECEx: IECEx INE 11.0033X, EAC: TC RU C-IT.ГБ08.В.01323 Technical Specifications (Heater): Zone Class: Zone 1 / Zone 21 Ex-proof Protection: Ex II 2 G Ex d IIC T4, T3, T2, T1 Gb IP Class: IP66 Operating Temperature: -60°C ÷ +60°C Body Material: Sheet Steel ATEX Certificate: CESI 03 ATEX 082X Other Certificates: IECEx: IECEx INE 11.0013X, EAC: TC RU C-IT.ГБ05.В.00189