Wall-mounting socket 20 A | explosion-protected | 8570/21-306 | Rated operational voltage : 250 V AC | Frequency range : 50 / 60 Hz | Detailed number of poles : 2-pole, 3 conductors | Colour code : Blue | Coding (clock hour position) : 6 | 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 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 : 20 A | Rated operational current 2 : 20 A | Min. ambient temperature F : -22 °F | Max. ambient temperature F : +131 °F | IP degree of prot. (IEC 60529): IP66 | IP degree of prot. (IEC 60079): IP66 | Impact strength (IEC 60079) : 7,00 J | Impact strength (IEC 62262) : IK10 | Entry 1 : NPT 3/4" | Entry 1 type : Metal conduit hub | Entry 1 type : 8166/11-02-N | Entry 1 terminal area : 0 mm | Entry 2 : M25 x 1.5 | Entry 2 type : Polyamide stopping plug | Entry 2 type : 8290/3-M25 | For further information, see : r-stahl.com WebCode : 8570F