Contact protection cap for a busbar in a mounting rail system

The contact protection cap with continuous guide channels addresses the limitation of flexible device arrangement by enabling secure and interference-free electrical coupling along the entire busbar length, including the end region, facilitating the use of devices with short bar elements.

WO2025180762A1 Publication Date: 2025-09-04ZUMTOBEL LIGHTING GMBH
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Patent Information

Application Number
PCT/EP2025/052640
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-02-27
Filing Date
2025-02-03
Publication Date
2025-09-04

AI Technical Summary

Technical Problem

Existing contact protection caps for busbars restrict flexible arrangement of electrical devices by covering busbar guide channels, necessitating a minimum distance that prevents devices with short bar elements from being coupled to the end of the busbar system, limiting their placement and utilization.

Method used

A contact protection cap designed with guide channels that continue the busbar guide channels, allowing electrical contact and mechanical coupling, enabling devices to be positioned flexibly along the entire length of the busbar, including the end region, by ensuring the cap does not interfere with rotational coupling mechanisms.

Benefits of technology

Enables flexible and secure mounting of electrical devices, including those with short bar elements, by allowing electrical contact and mechanical coupling without interference, maximizing the usable length of the busbar and ensuring safety from user contact.

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Abstract

The present invention relates to a contact protection cap (10) for a busbar (20) arranged in a mounting rail (40) of a mounting rail system (1), the busbar (20) having a main body (200) with busbar guide channels (210), which are oriented parallel to one another, and wire lines (30) which extend therein and each of which protrudes from the busbar (20) by way of a wire end (310) at the end of the main body (200); wherein the contact protection cap (10) is designed to be plugged onto the main body (200) at one end of the busbar (20) in a plug-on direction (R); wherein the contact protection cap (10) has a main part (100) with guide channels (110, 110a, 110b) which are oriented parallel to the plug-on direction (R), wherein the guide channels (110, 110a, 110b) are each designed to fully receive one of the wire ends (310); wherein the guide channels (110, 110a, 110b) are all open towards the same side of an inner side or an outer side of the main part (100) in order to make electric contact; and wherein the contact protection cap (10) has a coupling element (120), which protrudes from the main part (100) in the plug-on direction (R), for mechanical coupling to the busbar (20).
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