Nitto Kogyo GK58WN3P30AF30 Single-phase 3-wire, Neutral-wire Loss Protection Leakage Breaker Unused/Unopened This is a Nitto Kogyo single-phase 3-wire leakage breaker with neutral-wire loss protection (contracted type). It is a breaker exclusively for Petit Panel (home distribution board). Rated current: 30A Rated sensitivity current: 30mA Number of poles/elements: 3P2E Although it is unused/unopened, there are scratches on the outer box. Please understand this beforehand. It will be shipped in simple packaging. Recycled packaging materials will be used. You can purchase it immediately. No comments are needed. We cannot issue receipts. Please refrain from price negotiations.