Plug 16 A ; Extra-low voltage | explosion-protected | 8573/12-304 | Rated operational voltage : 20 to 25 & 40 to 50 V AC | Frequency range : 100 - 200 Hz | Detailed number of poles : 3 P | Colour code : Green | Coding (clock hour position) : 4 | Enclosure material : Polyamide , Glass fibre reinforced | Silicone-free : No | Application range (zones) : 1,2,21,22 | Scope of validity : European Union (ATEX) | Gas explosion protection : II 2 G Ex eb IIC T6 Gb | Dust explosion protection : II 2 D Ex tb IIIC T70 °C Db | min. ambient temperature : -50 °C | max. ambient temperature : +40 °C | Rated operational current : 12 A | Min. ambient temperature 2 : -50 °C | Max. ambient temperature 2 : +60 °C | Rated operational current 2 : 3 A | Min. ambient temperature F : -58 °F | Max. ambient temperature F : +104 °F | Min. ambient temperature °F 2: -58 °F | Max. ambient temperature °F 2: +140 °F | IP degree of prot. (IEC 60529): IP66 | IP degree of prot. (IEC 60079): IP64 | Impact strength (IEC 60079) : 7,00 J | Impact strength (IEC 62262) : IK10 | Cable diameter : 8,00 - 15,00 mm | For further information, see : r-stahl.com WebCode : 8573D