Plug | Explosion-protected | Type : 8571/12-407 | AC rated operational voltage : 500 V | Frequency range : 50 - 60 Hz | Detailed number of poles : 4 P (3 P + PE) | Colour code : Black | Coding (clock hour position) : 7 | Enclosure material : Polyamide | Application range (zones) : 1 , 2 , 21 , 22 | Scope of validity : European Union (ATEX) | IECEx | Min. ambient temperature : -30 °C | Max. ambient temperature : +55 °C | Rated operational current : 32 A | Gas explosion protection : II 2 G Ex db eb IIC T5 Gb | Dust explosion protection : II 2 D Ex tb IIIC T75 °C Db | Max. ambient temperature 2 : +40 °C | Gas explosion protection2 : II 2 G Ex db eb IIC T6 Gb | Dust explosion protection 2 : II 2 D Ex tb IIIC T60 °C Db | Degree of protection (IP) : IP66 | Entries : - | Screw connections : - | Cable diameter : 13 … 28 mm | Stopping plug : - | Plate with threaded holes : - | For further information, see : r-stahl.com WebCode 8571A