S500-S I/O modules Terminal units

The S500-Safety terminal units are specially designed to provide secure and standardized wiring for ABB’s safety-related I/O modules. They support functional safety architectures by ensuring proper mechanical alignment and minimizing wiring errors during installation or maintenance.

Reliable base for standard automation wiring

Every stable control system starts with a dependable connection.

TU5xx terminal units are the proven wiring base for ABB’s S500-S I/O modules, ensuring clear signal routing, fast installation, and long-term reliability in standard industrial environments. With spring terminals and DIN-rail compatibility, they simplify setup, reduce errors, and allow quick module replacement without rewiring.

Benefits

S500-S terminal units form the solid foundation for connecting safety I/O modules in the AC500 system. With compact design and smart wiring features, they support fast installation, reliable signal transmission, and easy maintenance in industrial automation.