REMOVABLE KEY PAD OF ELECTRONIC BREAKER AND DISPLAY DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an attachable/detachable keypad for controlling an electronic breaking device used for the latest electronic breaker. SOLUTION: An 'input' key 6 of a keypad providing a convenient means which inputs and displays related breaking information is shielded with a shield 1 so that unauthorized access to a braking device setting point can be prevented. Also, a through-hole 5 is provided at the shield so that access to the residual function keys of the keypad can be performed as conventional.