Data sheet CH20M BUS 4.50/05 AU/250 Weidmuller Interface GmbH & Co. KG Klingenbergstrae 26 D-32758 Detmold Germany www.weidmueller.com Product image The integrated rail bus for the modular electronics housing system When supplying, connecting or distributing within modular applications, the rail bus can replace the tedious individual wiring process with a flexible and uninterrupted system-wide solution. The system bus is securely integrated within the 35mm standard mounting rail. The SMD-bus contact block can be reflow-soldered so that it can be completely automatically processed during the component assembly. The resistant, gold-plated contact surfaces ensure a permanent and reliable contact for all housing widths. * Unlimited scalability The integrated connection solution covers all system widths: from the 6-mm slice to the 67-mm large-area housing. * Easy to service during installation It's easy to replace a module, even in existing modules groups - without any influence on the neighbouring modules. * Universal integration The uninterrupted system bus issecurely integrated within the 35-mm standard mounting rail. * Maximum availability Five fully-galvanized and partially gold-plated twin-arched contacts are used to establish a permanent contact to the rail bus. THR solder flanges ensure that the connection to the circuit board is stable. General ordering data Version Order No. Type GTIN (EAN) Qty. OMNIMATE Housing - series CH20M, Length: 250 mm, Width: 21.8 mm 1248220000 CH20M BUS 4.50/05 AU/250 4050118053234 10 pc(s). Creation date December 13, 2020 3:33:36 AM CET Catalogue status 08.12.2020 / We reserve the right to make technical changes. 1 Data sheet CH20M BUS 4.50/05 AU/250 Weidmuller Interface GmbH & Co. KG Klingenbergstrae 26 D-32758 Detmold Germany www.weidmueller.com Technical data Dimensions and weights Height Length Net weight Width (inches) 1.7 mm 250 mm 23.1 g 0.858 inch Height (inches) Length (inches) Width 0.067 inch 9.842 inch 21.8 mm black, gold V-0 Gold-plated Colour chart (similar) Contact material Max. relative humidity during storage RAL 9011 Au (Gold) 80 % 0.5 m Coating thickness Au, max. 0.8 m Current carrying capacty, max. per circuit path 5A Voltage AC bus rail according to DIN EN 60664, max. 63 V black, gold TS 35 x 7.5, TS 35 x 15, via bus profil Colour chart (similar) V-0 EC001031 27-18-27-90 27-18-27-92 ETIM 7.0 ECLASS 9.1 ECLASS 11.0 Material data Colour UL 94 flammability rating Contact surface System parameters Coating thickness Au, min. Coating thickness Cu, min. 0.7 m Current carrying capacty, max. circuit path (sum current) 25 A Voltage AC bus rail according to UL840, C22.2 no. 14.5, max. 30 V General data Colour Rail RAL 9011 Material data UL 94 flammability rating Classifications ETIM 6.0 ECLASS 9.0 ECLASS 10.0 EC001031 27-18-27-90 27-18-27-92 Approvals Approvals ROHS Conform Downloads Brochure/Catalogue Engineering Data Engineering Data FL ANALO.SIGN.CONV. EN MB DEVICE MANUF. EN CAT 4.1 ELECTR 16/17 EN CAT 2 PORTFOLIOGUIDE EN FL MACHINE SAFETY EN FL 72H SAMPLE SER EN PO OMNIMATE EN STEP EPLAN Creation date December 13, 2020 3:33:36 AM CET Catalogue status 08.12.2020 / We reserve the right to make technical changes. 2