BEP 771-S-EZ Pro Installer 400A EZ-Mount Battery Selector Switch BEPs Pro Installer Battery Switches offer ease and flexibility of installation and optimal performance in harsh marine environments. This revolutionary battery switch allows for wiring from the front, making installation and cabling easy. The Pro Installer Switch features improved contactor design, ergonomics that provide clear intuitive operation, and an industry-standard mounting footprint. Pro Installer switches are also enginee