The Vertiv Liebert MBC 20KVA (VMBC-20KMVRT4U) is a maintenance bypass cabinet with power output distribution. Designed for Vertiv Liebert GXT5 15-20kVA and the APS 1/2/5/6 uninterruptible power supply (UPS) models, it is an accessory that allows you to perform UPS maintenance and/or replacement without power interruption to the connected load. It has three (3) L14-30R outlets, space for an optional PD2 POD, and has an input/output terminal block for hardwiring of the AC input source and output (if needed). It includes simplified intra/inter-rack connections.