The Eaton MDL 50K MDL3800F is a 600V, 400Amp trip unit 3-pole circuit breaker perfect for industrial applications. This main breaker has a maximum amperage of 50A and is suitable for interior use. Made of ABS/plastic material, this white circuit breaker features an on/off operation method and switch control style. It is designed for AC current type and has 3 phases, making it ideal for high-powered electrical systems requiring reliable and efficient circuit protection.