Coupler socket | Explosion-protected | Type : 8573/14-311 | AC rated operational voltage : 20 - 25 V | 40 - 50 V | Frequency range : 400 - 500 Hz | DC rated operational voltage : 0 V | 0 V | Detailed number of poles : 3 P | Colour code : Green | Coding (clock hour position) : 11 | 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 T70 °C Db | Min. ambient temperature : -50 °C | Max. ambient temperature : +55 °C | Rated operational current : 12 A | Max. ambient temperature 2 : +60 °C | Rated operational current2 : 10 A | Degree of protection (IP) : IP66 | Cable diameter : 8 … 15 mm | Plate with threaded holes : - | For further information, see : r-stahl.com WebCode 8573C