This rail kit for mounting UPS, batteries and accessories in racks or 4-post cabinets. It has an adjustable mounting depth of up to 1100 mm, allowing it to adapt to different rack sizes. It has a load capacity of up to 80 kg, allowing it to support heavy and robust equipment. It has a solid steel structure that guarantees a safe and durable installation. It includes the necessary hardware for mounting on square hole racks. It is a useful accessory for installing and securing equipment in the available space.