Telescoping rails that mount to the sides of the rack-mount UPS to facilitate installation into a rack-mount enclosure. This kit is for use with all GXT 2U GXT 5kVA and associated battery cabinets.&lt;br /&gt;Related products: &lt;br /&gt;GXT4-10000RT230E&lt;br /&gt;GXT4-1000RT230E&lt;br /&gt;GXT4-1500RT230E&lt;br /&gt;GXT4-2000RT230E&lt;br /&gt;GXT4-3000RT230E&lt;br /&gt;GXT4-5000RT230E&lt;br /&gt;GXT4-6000RT230E&lt;br /&gt;GXT4-700RT230E&lt;br /&gt;GXT4-48VBATTE&lt;br /&gt;GXT4-72VBATTE&lt;br /&gt;GXT4-240VBATTE