What it is and where it fits
The Siemens 6AG1052-2FB08-7BA2 is a SIPLUS LOGO! basic module with conformal coating, built for operation from -40 °C up to +70 °C with startup at -25 °C. That coating and wide temperature range mean this module holds up on the route—condensation, dust, aggressive atmospheres, the kind of environment that would eat a standard LOGO! unit. It shares the same base logic as the 6ED1052-2FB08-0BA2, but it's hardened to keep running when the panel sees real-world abuse.
Sourcing and compliance
Packs as a single piece, dimensions 9.3 x 8.2 x 7.3 cm. Return restricted class B—Siemens requires direct contact for returns, so make sure the order is right the first time.