General specificationsType DC version, positive polarityElectrical specificationsNominal resistance 240 ΩSeries resistance max. 250 ΩFuse rating 80 mAHazardous area connectionConnection terminals 1, 2Safe area connectionConnection terminals 7, 8Rated voltage 28 VSupply voltage max. 28 VWorking voltage 26.5 V at 10 μAConformityProtection degree IEC 60529Ambient conditionsAmbient temperature -20 ... 60 °C (253 ... 333 K)Storage temperature -25 ... 70 °C (248 ... 343 K)Relative humidity max. 75 % , without moisture condensationMechanical specificationsProtection degree IP54Connection self-opening connection terminals,max. core cross-section 2 x 2.5 mm2Mass approx. 150 gDimensions 12.5 x 115 x 110 mm (0.5 x 4.5 x 4.3 in)Construction type modular terminal housing , see system descriptionMounting mounting on 35 mm DIN rail acc. to DIN EN 60715Data for application in conjunctionwith hazardous areasEC-Type Examination Certificate BAS 01 ATEX 7005Group, category, type of protection ? II (1)GD [EEx ia] IIC (-20 °C ≤ Tamb ≤ 60 °C)Voltage Uo 28 VCurrent Io 119 mAPower Po 830 mWSupplySafety maximum voltage Um 250 VSeries resistance min. 235 ΩStatement of conformity TüV 99 ATEX 1484 X , observe statement of conformityGroup, category, type of protection,temperature classification? II 3G EEx nA II T4 XDirective conformityDirective 94/9 EC EN 50014, EN 50020, EN 50021International approvalsFM approvalControl drawing 116-0118UL approvalControl drawing 116-0139CSA approvalControl drawing 116-0119General informationSupplementary information EC-Type Examination Certificate, Statement of Conformity, Declaration of Conformity and instructions have