Eaton 93PX 20 kVA power module for configuring a scalable UPS system with up to 6 optional, external 480 V battery modules (EBM, 93PXEBM480) or as an additional 20 KW power module for the parallel connection to an Eaton 93PX20KIRTN Netpack 9 U UPS system for redundancy and increased performance. Online double-conversion according to VFI-SS-111, Tower model with rack-mount kit, Required rack space: 3 U, Ports: RS-232/DB9, Relay In/Out, INTELLIGENT SLOT for optional management card Please note: UPS must be connected by a professional electrician. Batteries not included!