The 3-1393254-4 is a W6/W9 series magnetic hydraulic Potter & Brumfield circuit breaker designed for international marketplace applications with ratings up to 50 amps. This circuit breaker features male quick-connect terminals measuring 0.250 inches (6.35 mm) wide by 0.031 inches (0.79 mm) thick by 0.377 inches (9.58 mm) long, with optional 8-32 or 10-32 screw-type connections available. The device is UL recognized under UL1077, CSA accepted, and VDE approved to VDE 0642/EN 60934, offering several delay curve options including instantaneous, standard delay, short delay, and AC/DC combinations. The breaker provides trip-free operation and is suitable for a wide variety of industrial and general-purpose applications requiring reliable overcurrent protection with international compliance standards.