Flange socket | Explosion-protected | Type : 8570/25-307 | AC rated operational voltage : 480 V | Frequency range : 50 - 60 Hz | Detailed number of poles : 3 P (2 P + PE) | Colour code : Red | Coding (clock hour position) : 7 | Auxiliary contacts available : No | Enclosure material : Polyamide | Application range (zones) : 1 , 2 , 21 , 22 | Gas explosion protection : II 2 G Ex db eb IIC T6 Gb | Dust explosion protection : II 2 D Ex tb IIIC T80 °C Db | NEC 505 zones : Class I, Zone 1 & 2, | NEC 500 zones : Class I, Div. 2, | Scope of validity : European Union (ATEX) | Canada | IECEx | USA | Min. ambient temperature : -30 °C | Max. ambient temperature : +55 °C | Rated operational current : 20 A | Degree of protection (IP) : IP66 | Entries : - | Cable gland : - | Stopping plug : - | For further information, see : r-stahl.com WebCode 8570D