The JK150 combines the dual function of a manual disconnectand coil operated line contactor. The bene ts of this design include compact size and reduced installation costs combined with anelectrical capacity suf cient for small and medium size electric vehicles. Whilst the switches are primarily intended for use with battery powered vehicles, they are also suitable for use with static power systems. All types are capable of safely rupturing full load battery currents in the event of an emergency.