Online UPS, performance classification VFI-SS-111 Scalable up to 10 kW Parallel operation of up to 4 systems Electronic and manual bypass Internal batteries: 32 x 12 V/9 Ah RS-232 (serial), USB, EPO, relay interfaces Runtime (8 kW load): approx. 10 min Runtime (6.4 kW load): approx. 18 min Runtime (4 kW load): approx. 27 min Incl. SNMP management card 10/100 Mb network adapter for monitoring, management and shutdown solutions Important: the UPS must be connected by a professional electrician. Please pay careful attention to the fuse size and cable diameter specified by the manufacturer. Does not include electrical installation/power distribution (must be provided by the customer/facility services). Please note that increased delivery costs may apply due to product weight