Turck BL20-S3T-SBB | Base Module for BL20 I/O System, 3-Wire Tension Clamp,

The BL20-S3T-SBB is a passive base module that houses the internal backplane bus for the BL20 system. This specific model features Tension Clamp (Screwless) technology, which is ideal for high-vibration environments. The "3T" designation indicates a 3-wire connection capability per point, allowing for direct connection of sensors and actuators (Signal, +, -) without the need for additional external terminal strips.