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The RITTAL 4579000 is a pack of 20 sheet steel door bars designed for use with 900mm deep enclosures. Door bars serve as structural cross-members or retention bars that support door alignment, reinforce panel rigidity, or secure door assemblies on industrial enclosures and electrical cabinets. Fabricated from sheet steel, these bars are built to withstand the mechanical demands of commercial and industrial enclosure installations. Electricians and panel builders working with Rittal enclosure systems will find these bars a direct-fit accessory for maintaining enclosure integrity on deeper cabinet configurations.
These door bars are intended for installation in enclosures with a 900mm depth, a common dimension in industrial electrical cabinets, control panels, and distribution enclosures used across manufacturing, infrastructure, and commercial electrical applications. The pack quantity of 20 makes this item well suited for contractors and panel shops managing multiple enclosure builds or service calls requiring standardized hardware.
Designed as an OEM Rittal accessory for enclosures with a 900mm depth. Consult Rittal enclosure documentation to confirm fitment with your specific cabinet model before ordering.
Installation is typically performed by licensed electricians or panel builders during enclosure assembly or retrofit. De-energize all equipment and follow applicable NEC guidelines before working inside or modifying any electrical enclosure. Ensure door bars are fully seated and secured per enclosure manufacturer specifications before closing and re-energizing the cabinet.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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