Tower and rack UPS VFI-SS-111 system for 230 V networks With 3 U rack rails LCD control panel USB and serial interfaces Connection for EPO/RPO (network and relay card optional) Incl. internal, automatic bypass Input: Hardwired (single-phase) Output:Hardwired, 1-phase, 8 x IEC320-C13, 2 x IEC320-C19 Important: the UPS must be connected by a professional electrician. Recommended fuses and wire gauge: 1-phase input: 32 A, 6 mm²