The Pilz S1WP 9A 110-230VAC/DC UM 0-240VAC/DC (890050) is a robust and versatile monitoring relay designed to deliver dependable supervision of voltage levels in automation and control systems. Belonging to Pilz’s trusted family of monitoring devices, this relay ensures that critical electrical parameters are consistently observed, supporting both system reliability and operator safety.

At its core, the relay is engineered for a broad measurement range, allowing continuous supervision of analogue input voltages between 0 and 240 V AC/DC. This flexibility makes it suitable for numerous industrial applications, from low-voltage control systems to equipment requiring higher input ranges. The wide span reduces the need for multiple specialised monitoring devices, simplifying system design and lowering overall costs.

The unit operates on supply voltages between 110 and 230 V AC/DC, making it compatible with international power infrastructures. This adaptability ensures easy integration across facilities worldwide, supporting standardisation of monitoring solutions and simplifying maintenance requirements.

Despite its versatility, the device is highly energy-efficient, with a power consumption of just 5 VA when operating on AC supply. This helps reduce overall energy use in large-scale automation environments where many monitoring relays may be installed simultaneously. Lower consumption also means reduced heat generation within control panels, contributing to longer component lifecycles and improved system stability.

The S1WP 9A 110-230VAC/DC UM 0-240VAC/DC also accounts for practical installation requirements, supporting maximum conductor cross sections suitable for standard industrial cabling. This ensures secure electrical connections, reduces wiring complexity, and facilitates fast, reliable installation in both new systems and retrofits.

Functionally, the device provides critical early detection of voltage irregularities such as overvoltage, undervoltage, or complete supply loss. By quickly identifying these conditions, the relay enables corrective action before faults escalate into equipment damage, safety hazards, or unplanned downtime. This proactive monitoring capability improves both operational safety and overall system efficiency.

As with all Pilz monitoring relays, the device is built to rigorous standards of quality and durability. Its robust design ensures stable operation in demanding industrial conditions, from manufacturing plants and logistics centres to process industries. By providing accurate, reliable voltage supervision, it plays a vital role in maintaining compliance with workplace safety and electrical standards.

In summary, the Pilz S1WP 9A 110-230VAC/DC UM 0-240VAC/DC (890050) is a versatile, energy-efficient, and dependable monitoring relay. With its wide monitoring range, flexible supply compatibility, and efficient performance, it is ideally suited for safeguarding equipment and ensuring stable operation in modern industrial environments. This monitoring device offers facilities a practical, reliable solution to voltage supervision, helping them to optimise both safety and productivity.