Based on this product's specifications, here are some alternatives and similar models
Uninterruptible Power Supply UPS ONLINE USV-Systeme XANTO 1000
Summary description:
The ONLINE USV-Systeme XANTO 1000 is a double-conversion uninterruptible power supply with a capacity of 1 kVA and 1000 W. It features 4 AC outlets (C13 coupler) and a 9 Ah battery providing up to 11 minutes of backup time at full load. The tower form factor and active cooling ensure efficient operation. Certified with VFI-SS-111, EN62040-1, and CE, this UPS is ideal for protecting sensitive electronic equipment.