Switch socket | Explosion-protected | Type : 8571/11-410 | AC rated operational voltage : 50 V | Frequency range : 100 - 300 Hz | Detailed number of poles : 4 P (3 P + PE) | Colour code : Green | Coding (clock hour position) : 10 | Auxiliary contacts available : No | Enclosure material : Polyamide | Application range (zones) : 1 , 2 , 21 , 22 | Gas explosion protection : II 2 G Ex db eb IIC T5 Gb | II 2 G Ex db eb IIC T6 Gb | Dust explosion protection : II 2 D Ex tb IIIC T75 °C Db | II 2 D Ex tb IIIC T60 °C Db | Min. ambient temperature : -30 °C | Max. ambient temperature : +40 °C | Rated operational current : 25 A | Degree of protection (IP) : IP66 | Entries : 2 x M32 x 1.5 | Screw connections : 1 x M32 x 1.5 | Entry type 1 : 8161/7-M32-2109 | Cable diameter : 9 … 21 mm | Stopping plug : 1 x M32 x 1.5 | Stopping plug material : Polyamide, black | Plate with threaded holes : - | For further information, see : r-stahl.com WebCode 8571A