2138. Amperage: 15A. Features: Weatherproof. Can be used as Main, Branch, or 24 hour circuit protection. Compact design enables high density circuit protection configurations. Push-to-reset operation. Trip Free design cannot be held "ON" during fault current condition. Ignition protected - Safe for installation aboard gasoline powered boats. Captive star lock washers meet requirements for anti-rotation and eliminate handling of small, easily dropped parts