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.

Fast and secure wiring

Spring terminals ensure quick, tool-free and robust signal connections.

No rewiring required

Replace modules without touching wiring – speeds up servicing and minimizes downtime.

DIN rail compatible

Fits neatly on DIN rails or panels for flexible cabinet design.

Compact footprint

Space-saving design fits tightly into control panels without sacrificing clarity.

Clear terminal labeling

Marked terminals support easy signal tracking, testing, and documentation.

Industrial-grade housing

Rugged design ensures long-term durability in industrial environments.