The Crouse-Hinds 100 Amp 2 Pole 120/240V Circuit Breaker Type MP is a high-quality main breaker suitable for interior use in any room. It features thermal overload protection for added safety, a plug-in/on mounting style for easy installation, and a manual reset circuit breaker function. With a maximum amperage of 100A and compatibility with wire gauges from 1-5 AWG, this circuit breaker is reliable and efficient for a variety of electrical applications. The sleek black design and switch control style make it a stylish and practical choice for businesses and industrial settings.