Explosion-proof communication box in AISI 316L stainless steel IN 24Vac OUT 24Vac. ATEX Ex II 2G Ex db IIC T6...T5 Gb Ex II 2D Ex tb IIIC T85°C...T100°C Db -40°C ≤ Ta ≤ +60°C or +70°C. IECEx Ex db IIC T6...T5 Gb Ex tb IIIC T85°C...T100°C Db -40°C ≤ Ta ≤ +60°C or +70°C. EAC Ex 1Ex db IIC T6...T5 Gb X Ex tb IIIC T85°C...T100°C Db X -40°C ≤ Ta ≤ +60°C or +70°C. INMETRO Ex db IIC T6...T5 Gb Ex tb IIIC T85°C...T100°C Db -40°C ≤ Ta ≤ +60°C or +70°C. KCs Ex d IIC T6...T5 Ex tb IIIC T85°C...T100°C -40°C ≤ Ta ≤ +60°C or +70°C. UL listed for USA Class I Zone 1 AEx db IIC T6...T5 Gb Zone 21 AEx tb IIIC T85°C...T100°C Db -40°C ≤ Ta ≤ +60°C or +70°C. UL listed for Canada Ex db IIC T6...T5 Gb X Ex tb IIIC T85°C...T100°C Db X -40°C ≤ Ta ≤ +60°C or +70°C. UK Ex Ex II 2G Ex db IIC T6...T5 Gb Ex II 2D Ex tb IIIC T85°C...T100°C Db -40°C ≤ Ta ≤ +60°C or +70°C.