The 6ES7193-0CA30-0XA0: Spare-part terminal block for the ET 200B distributed I/O family. This is the TB3/DC variant with 3-wire spring terminals, designed to replace a damaged or missing terminal block on digital electronic submodules. Rated 24 V DC, it draws 170 mA max at the bus. The 160 mm width matches the standard ET 200B form factor; height and depth are 130 mm and 59 mm respectively.
Supply and mounting
Temperature range is 0–60 °C, covering most indoor panel environments. This is a current-production spare part, so it can be ordered against an RFQ without last-time-buy pressure.