The H7EC-N is a Miniature Total Increment Counter with external and manual reset. It has 7-segment transmissive LCD display with 8 digits. Insulation resistance of 100MR minimum (at 500VDC) between current-carrying terminals and exposed non-current-carrying metal parts. Impulse withstand voltage of 4.5kV between current-carrying terminal and exposed non-current -carrying metal parts.