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The switch inserts according to this standard belong to the "HNA installation material" and are installed in the installation switches according to DIN 89270 and in the switchable sockets according to DIN 89263. They are rotary switches, the operation of which is performed by means of a toggle made of insulating material. They are suitable for direct and alternating current and are used in marine installation in heating and lighting circuits.
This document replaces DIN 89322:1996-09 .