Liebert 1000A User Manual

Two input power junction boxes and interconnecting cables provide under floor connection for the two 

input power feeds. Power terminal blocks are provided in each junction box for the connection of the 

input power conductors and a parity-sized ground conductor. The junction boxes are NEMA 1 

enclosures. A main input cable assembly is provided for connection between the unit and the junction 

box. The cable length between the unit and junction box is 10 feet (3 meters) long.
See 5.2 - Input Junction Box Installation—Optional on page 10 for more information and 

specifications. See Figure 29 for wiring details.

Seismic anchors are available for anchoring the unit to a concrete floor to meet seismic Zone 4 

requirements. See 4.1 - Leveling and Anchoring the Unit to the Floor on page 8 for more 

information. Installation details are provided in Figures 11 through Figure 13 on page 26.

Seismic floor stands in four heights—18", 24", 30" and 36" (457mm, 610mm, 762mm and 914mm)—

are available for the Liebert STS2. The stands can be fastened to the floor to meet seismic Zone 4 

requirements. See 4.0 - Locating the Liebert STS2 and Figures 32 through 43 for instructions and 

details for installing seismic floor stands.