Bypass an SUT40K UPS to Perform Maintenance For use with Tripp Lite's SUT40K 3-phase UPS system, the SUT40KMBP maintenance bypass panel (MBP) maintains total continuity of power to connected load circuits when bypass of the UPS is required for regular service and maintenance. This UPS maintenance bypass panel has three 4-pole circuit breakers for Input, Bypass and Output. The breakers have removable handles to allow the panel's trim cover to be removed for internal access. Maximum current capacity is 150A. Convenient Wall-Mount Installation Made of galvanized steel, the service bypass panel has rear mounting holes for installation on a smooth and solid wall (mounting hardware not included). One-Year Warranty The SUT40KMBP is backed by a one-year limited warranty, ensuring reliability and performance.