Redundant UPS system 1× power module with 4 kVA, scalable to 8 kVA N+1 Input: 1 or 3-phase hardwire Output: hard wire 3-wire (PH+N + G) Incl. PDU with 8× IEC320-C13, 6× IEC320-C19 Incl. AP9631 network management card Extendable running time Net weight: 134 kg (incl. batteries) Battery runtime (full load): 7 minutes Battery runtime (half load): 18 minutes . Important: the UPS must be connected by a professional electrician. Required shielding and wire gauge: 1-phase input/1-phase output: 50 A, 10 mm² 3-phase input/1-phase output: 1× 50 A/2× 25 A, 1× 10 mm²/2× 4 mm² . Please note that increased delivery costs may apply due to the high weight of the product.