Humidity rating: 93 % r. h. at 40 °C
Condensation permitted?: Briefly
Perm. operating height ASL: 5000 m
Housing material lower section: PA
Housing material upper part: PC

Robust housing design: Lower section made of PA (polyamide) and upper part of PC (polycarbonate) for strength, durability, and insulation.
High environmental resilience: Operates reliably at 93% relative humidity at 40 °C with brief condensation tolerance.
Extended altitude operation: Suitable for installations up to 5000 m above sea level, ensuring wide application flexibility.
Compact I/O base module: Designed for efficient integration within Pilz PSSu systems, supporting flexible automation architectures.

The Pilz PSSU BS 2/8 S-T is a compact and robust base module within the PSSu modular I/O system, designed to provide the flexibility and reliability required for modern industrial automation. Built with a strong housing and certified for demanding environmental conditions, this unit delivers a dependable foundation for configuring safety- and automation-related inputs and outputs.

Constructed with a polyamide (PA) lower section and a polycarbonate (PC) upper housing, the PSSU BS 2/8 S-T offers both structural strength and excellent electrical insulation. These materials are widely recognised in industrial electronics for their resilience to mechanical stress, thermal effects, and chemical exposure, ensuring long-term performance in harsh production environments.

A standout feature of this module is its ability to maintain reliable operation in high-humidity conditions. Rated for 93% relative humidity at 40 °C, and with brief tolerance for condensation, the unit is suitable for applications where environmental control is less than ideal, such as in food processing, outdoor installations, or heavy industrial facilities. This level of resilience ensures continuous performance even under fluctuating atmospheric conditions.

The module also supports operation at altitudes of up to 5000 m above sea level, extending its suitability to a wide range of industries and geographies, including high-altitude production sites, energy facilities, and transportation infrastructure. This capability makes it a versatile choice for global deployment where environmental demands vary significantly.

As part of the PSSu I/O system, the PSSU BS 2/8 S-T serves as a base for modular expansion, allowing users to build tailored automation and safety solutions. Its compact design simplifies cabinet layouts, saves space, and supports modular scalability—key advantages in industries where flexible adaptation to machine or process changes is critical.

Applications include machine safety systems, distributed control architectures, and modular production lines, where compact and rugged I/O bases are required to ensure smooth integration and reliable operation. Combined with Pilz’s proven control and safety technologies, the module ensures compliance with international standards, enhancing both operator safety and system efficiency.

In summary, the Pilz PSSU BS 2/8 S-T offers a combination of robust construction, environmental resilience, and modular adaptability. By enabling reliable operation in demanding conditions and supporting flexible system design, it provides a dependable foundation for automation projects that demand both precision and durability.