DIN rails TS and mounting rails are one of the few standardized components in electrical switchgear. The DIN rails and C-profiles are used for mounting and fixing electronic and electromechanical components such as terminal blocks, relays or even power supplies.
The electrical properties of mounting rails depend on the design (TS 15, TS 20 or C20 as C-rail / C-profile, TS 27 as C-rail / C-profile rail, TS 32 and G 32 as G-rail and TS 35) and the surface. The punched (hole and slotted versions) and non-perforated versions of the profile rails are made of the raw materials aluminum (alu), galvanized steel and steel passivated, stainless steel, copper or plastic (PVC).
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Depending on the industry and market requirements, DIN rails and mounting rails TS are available in various designs and versions. Weidmuller offers the most common profile rails on the market, also according to standard and DIN such as DIN EN 60715, in various lengths and materials:
• TS 15
• TS 20 or C20 as C-rail / C-profile
• TS 27 as C-rail / C-profile
• TS 32 and G 32 as G-rail / G-profile
• TS 35 as TS 35 x 7.5 / TS 35 x 15
The raw material or the treatment of the profile rails and C-profiles determines their electrical properties and the applications. Weidmuller offers the rails in the following materials and coatings:
• Aluminum (Alu)
• Galvanized steel and steel passivated
• Copper
• Plastic (PVC)
For burr-free cutting and punching of DIN profile rails, Weidmüller offers the rail cutting and punching devices TSLD 5 and TSLD C profile bars and C-profiles can be easily cut to length and punched. Other product features of the TSLD are:
• Table-top unit for mounting on workbench or similar workplaces
• Guiding device for 90° angle accurate cutting
• Burr-free cutting of top-hat rails without waste
• Shear plate regrindable
• Integrated length stop (up to 1,000 mm)
DIN rails and C profiles can also be used as protective earth busbars (PE conductors) or PEN conductors under certain conditions. The Weidmuller PE terminal blocks with spring and screw connections fulfill the requirements for PE conductors defined in IEC 60947-7-2. According to VDE 0100 Part 540, protective earth conductors and neutral conductors with wire cross-sections above 10 mm² may be combined to form a conductor abbreviated as PEN.
If a terminal rail is used as a PEN busbar, the following criteria have to be observed:
• Only profiles made of E-Cu or aluminum are permissible
• Short-circuit currents and thermal rated currents
• Insulate DIN rails for the protective measure "Protective insulation"
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