243-212

10 Connectors for KNX/EIB Bus Coupler Units 243 Series 544 ● Compact, 4-conductor KNX connectors with PUSH WIRE® ● Simple push-in termination for solid conductors ●  -conductor entries allow devices to be replaced without disrupting 4 the KNX bus connection Technical data: Ratings per Overvoltage category Pollution degree Rated voltage Rated surge voltage Nominal current Approvals per Use group UL 1059 Rated voltage Nominal current UL Nominal current CSA IEC/EN 60664-1 III III II 3 2 2 250 V 320 V 630 V 4 kV 4 kV 4 kV 6A 6A 6A UL/CSA B C D – – – – – – – – – Conductor data: Connection technology Conductor size: solid AWG Strip length PUSH WIRE® 4 x 0.6 … 0.8 mm or 4 x 1.0 mm Ø 4 x 22 … 20 “sol.” or 4 x 18 “sol.” 5 … 6 mm / 0.20 … 0.24 in. Material data: Material group Insulating material Flammability class per UL 94 Lower/Upper limit temperature Clamping spring material Contact material Contact plating I Polyamide 66 (PA 66) V0 -60 °C / +105 °C Chrome nickel spring steel (CrNi) Electrolytic copper (ECu) tin-plated Additional approvals and corresponding ratings can be found at www.wago.com. For additional technical information, see Section 13.