Data sheet Weidmller Interface GmbH & Co. KG SR-SMD 4.50/05/90LFM 3.2AU BK BX Klingenbergstrae 26 D-32758 Detmold Germany www.weidmueller.com The integrated rail bus for the modular electronics General ordering data housing system When supplying, connecting or distributing within Version PCB plug-in connector, Bus-contact block for CH20M12-67, Middle solder flange, THT/THR modular applications, the rail bus can replace the tedious solder connection, Number of poles: 5, 180, individual wiring process with a flexible and uninterrupted Solder pin length (l): 3.2 mm, Gold-plated, black system-wide solution. Order No. 1155870000 Type SR-SMD 4.50/05/90LFM 3.2AU BK BX The system bus is securely integrated within the 35- GTIN (EAN) 4032248942510 mm standard mounting rail. The SMD-bus contact block Qty. 78 pc(s). can be reflow-soldered so that it can be completely Product data UL: automatically processed during the component assembly. Packaging Box 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. Creation date September 16, 2022 1:30:58 AM CEST Catalogue status 09.09.2022 / We reserve the right to make technical changes. 1Data sheet Weidmller Interface GmbH & Co. KG SR-SMD 4.50/05/90LFM 3.2AU BK BX Klingenbergstrae 26 D-32758 Detmold Germany www.weidmueller.com Technical data Dimensions and weights Height 5.9 mm Height (inches) 0.232 inch Width 16.3 mm Width (inches) 0.642 inch Length 24 mm Length (inches) 0.945 inch Net weight 3.115 g Material data Insulating material LCP Colour black Colour chart (similar) RAL 9011 Insulating material group IIIa 8 Comparative Tracking Index (CTI) Insulation strength 175 CTI < 400 10 Moisture Level (MSL) 1 Contact surface Gold-plated Storage temperature, min. -40 C Storage temperature, max. 70 C Operating temperature, min. -50 C Operating temperature, max. 100 C Temperature range, installation, min. -30 C Temperature range, installation, max. 100 C Rated data acc. to IEC tested acc. to standard IEC 60664-1, IEC 61984 General data Colour black Colour chart (similar) RAL 9011 Protection degree IP20 Material data Comparative Tracking Index (CTI) 175 CTI < 400 Insulating material LCP Insulating material group IIIa Classifications ETIM 6.0 EC001031 ETIM 7.0 EC001031 ETIM 8.0 EC001031 ECLASS 9.0 27-18-27-90 ECLASS 9.1 27-18-27-90 ECLASS 10.0 27-18-27-92 ECLASS 11.0 27-18-27-92 ECLASS 12.0 27-18-27-92 Important note IPC conformity Conformity: The products are developed, manufactured and delivered according international recognized standards and norms and comply with the assured properties in the data sheet resp. fulfill decorative properties in accordance with IPC-A-610Class 2 . Further claims on the products can be evaluated on request. Approvals Approvals ROHS Conform UL File Number Search UL Website Certificate No. (cURus) E60693 Creation date September 16, 2022 1:30:58 AM CEST Catalogue status 09.09.2022 / We reserve the right to make technical changes. 2