Single-pole busbar end covers OSS 1 404989

Universal protective cover for busbars

OSS 1 single-pole busbar end covers are professional electrical installation accessories from the LEGRAND brand, designed to safely protect the ends of universal busbars in switchboards. The component with catalog number 404989 is an essential component of HX³ type switchboard systems, providing effective protection against accidental contact.

Application and compatibility

The cover has been developed specifically to work with universal single-pole busbars in HX³ horizontal switchboard systems with a current rating of up to 63A. It is suitable for use in both single-phase (1P) installations and systems with a neutral conductor (1P+N), making it a universal solution for various switchboard configurations.

The component is mounted on the unconnected ends ("teeth") of universal busbars, effectively insulating them from accidental contact. This solution increases the safety level of the electrical installation, meeting the requirements of standards regarding protection against electric shock.

Construction and materials

The cover is made of high-quality insulating materials, resistant to the conditions inside electrical switchboards. The design ensures full protection against contact with conductive ends, eliminating the risk of electric shock during assembly or service work.

The component features a compact design that does not interfere with the functioning of the busbar itself. Precise manufacturing guarantees a perfect fit for standard HX³ busbar profiles, resulting in easy and fast installation without the need for additional tools.

Compliance and standards

The product meets the requirements of European electrical installation safety standards and carries the EAN 3245064049894 designation. As an original LEGRAND brand component, it guarantees full compatibility with other components of this brand's switchboard systems.

The OSS 1 cover is an integral part of the HX³ switchboard accessory program, enabling a comprehensive and safe electrical installation according to the highest industry standards.