Schneider Electric STBXBA2400EOS Extension Base

The Schneider Electric Telemecanique STBXBA2400EOS Extension Base is an end‑of‑segment mounting base for Advantys STB distributed I/O systems, designed to enable internal island bus extensions between I/O segments. It provides the mounting and electrical interface for Advantys STB EOS modules and is compatible with the STB XBE1000 EOS Module, with a base width of 18.4 mm (0.72 in) and 35 mm DIN rail mounting. Commonly installed in industrial automation panels, PLC‑based machine control systems, manufacturing equipment, and distributed I/O networks where an end‑of‑segment extension module is required; it uses left‑side island bus contacts and has no right‑side bus contacts. Product details include MPN STBXBA2400; Manufacturer Telemecanique (Schneider Electric); Product Series Advantys STB Distributed I/O; Base Type End‑of‑Segment (EOS) Mounting Base; Replacement Type OEM direct replacement.