ABB i-bus ® KNXProduct Overview26 2CDC508198D0211 Rev. A | AC/S 1.x.13.4.4 Technical data3.4.4.1 General technical dataSupply Bus voltage 21…32 V DCCurrent consumption, bus < 12 mAPower loss, bus Maximum 250 mWPower loss, device Maximum 3 WSupply voltage Us 24 V AC/DC (+20 % / -15 %) orPoE (IEEE 802.3af class 2)Current consumption, supply voltage 90 mA typical120 mA peak currentKNX connection 0.25 WKNX current consumption < 10 mAConnections KNX Via bus connection terminalSupply voltage Via screw terminals0.2…2.5 mm² fine-wire0.2…4 mm² solidLAN RJ45 connector for 10/100BaseTIEEE 802.3 networks, autosensingDegree of protection andprotection classDegree of protection IP 20 according to EN 60529Protection class II according to EN 61140Isolation category Overvoltage category III according to EN 60664-1Pollution degree II according to EN 60664-1SELV KNX safety extra low voltage SELV 30 V DCTemperature range Operation -5...+45 °CTransport -25...+70 °CStorage -25...+55 °CAmbient conditions Maximum air humidity 95 %, no condensation allowedAtmospheric pressure Atmosphere up to 2,000 mDesign Modular DIN rail component (MDRC) Modular installation deviceDesign pro MHousing/color Plastic, halogen free, grayDimensions Dimensions 90 x 70 x 64 mm (H x W x D)Mounting width in space units 4x 17.5 mm modulesMounting depth 68 mmMounting 35 mm mounting rail According to EN 60715Mounting position AnyWeight 0.192 kgFire classification Flammability V-0 as per UL94Approvals KNX certification According to EN 50090-1, -2Certification According to EN 60669CE marking In accordance with the EMC and Low VoltageDirectivesTable 9: Technical data AC/S 1.2.1