Coupler socket | Explosion-protected | Type : 8570/16-306 | AC rated operational voltage : 250 V | Frequency range : 50 - 60 Hz | Detailed number of poles : 3 P (2 P + PE) | Colour code : Blue | Coding (clock hour position) : 6 | 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 | Min. ambient temperature : -30 °C | Max. ambient temperature : +55 °C | Rated operational current : 16 A | Degree of protection (IP) : IP66 | Entries : 2 x M25 x 1.5 | Screw connections : 1 x M25 x 1.5 | Cable entry material : Polyamide, black | Cable diameter : 13 … 18 mm | Stopping plug : 1 x M25 x 1.5 | Stopping plug material : Polyamide, black | For further information, see : r-stahl.com WebCode 8570B