Hinges eliminate the need for earthing straps
Cabinet doors can be fitted and removed quickly, simply and safely using the earth bonding hinges from Multi-Contact. This eliminates the requirement for doors for switchgear cabinets and other electrical enclosures to have earthing straps. Safety is enhanced, as there is no risk of forgetting to fit earthing straps, or not fitting them correctly.
The hinges make a high quality earth connection automatically when the door is hung on the cabinet. As with conventional hinges, the lower section is fitted to the cabinet and the upper section to the door. The electrical connection is made by a flat Multilam (a proprietary contact system from Multi-Contact that uses torsion spring contact elements to produce multiple contact points and ensure low contact resistance and high reliability) contact strip on the side of each hinge section, and a third Multilam in the joint pin.
Offering IP66 environmental protection, the hinges are suitable for indoor and outdoor applications. There are two standard versions for stainless steel and aluminium alloy housings, with versions for other housings available on request. EMC properties are also better than with systems using earthing straps.
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