Reverse Polarity LED Module

"Reverse polarity" and "power available" neon indicator module to suit any DIN rail switchboard. A simple & cheap addition to any switchboard, reverse polarity is especially dangerous for boats and caravans and can result from incorrectly wired supply leads. There are various ways to wire this, your installing sparky will be able to advise regarding the options to suit your particular switchboard and when you want the "power available" neon lit.
Note this module provides indication but it cannot disconnect the supply if there is an unsafe supply, for this use our Reverse Polarity Protection Kit