The Allen-Bradley 1797-TB3S is a FLEX Ex I/O terminal base module designed for use in hazardous area applications within the Rockwell Automation 1797 series. It features a total of fifty-two (52) spring clamp terminals, organized into two rows of eighteen (18) and one row of sixteen (16), enabling secure and efficient field wiring. The 1797-TB3S terminal base provides reliable connectivity for intrinsically safe FLEX I/O modules, ensuring robust signal integrity and simplified installation. Its spring clamp technology enhances vibration resistance and reduces maintenance, making it ideal for industrial automation systems operating in demanding environments.