Siemens 6FX1135-3BC00 Industrial Safety Relay Module

Siemens 6FX1135-3BC00 is a SINUMERIK memory module for Siemens CNC controls, providing 128 KB of RAM to store controller data and programs. Built as a dedicated RAM module for SINUMERIK systems, its 6FX1135-3BC00 designation helps technicians identify the exact memory upgrade for aging CNC hardware. With 128 KB of RAM, it supports essential data storage within the controller, contributing to stable program execution and data retention during operation. This part is frequently listed in service and replacement catalogs as a SINUMERIK memory module, underscoring its use in maintaining or upgrading SINUMERIK controllers. For exact compatibility, refer to the specific SINUMERIK model and firmware version and consult Siemens or an authorized distributor before purchase.