The Pilz S1MN 230VAC 2C/O is a high-quality monitoring relay from Pilz’s established range of monitoring devices. Engineered to provide reliable resistance monitoring, it ensures safe and accurate supervision of electrical circuits in industrial automation and safety systems. With its dependable performance and efficient energy use, it plays a vital role in maintaining system stability, protecting equipment, and supporting operator safety.

Designed to operate with a supply voltage of 230 V AC, the unit is optimised for use in global industrial environments where this voltage standard is prevalent. This makes integration straightforward and reduces the need for additional adaptation, ensuring quick deployment across a wide range of applications.

One of its strengths is its low power consumption of just 3.5 VA, making it highly efficient in continuous operation. This energy-conscious design helps reduce overall operating costs and supports sustainable practices without compromising reliability or monitoring accuracy.

The device features a precise response value set at 3.6 kΩ (±10 %), allowing it to detect deviations in resistance with a high degree of accuracy. This ensures that safety-critical functions are triggered reliably when monitored parameters exceed acceptable thresholds. By providing early detection of abnormal conditions, the relay supports both equipment protection and operator safety.

With two changeover (2C/O) contacts, the relay offers versatile switching options, making it adaptable for different control logic requirements in automation systems. Its robust construction and compliance with industrial standards mean it can withstand the demands of continuous use in harsh environments. Furthermore, the unit supports connection with standard conductor cross-sections, simplifying installation and ensuring compatibility with typical industrial wiring practices.

The Pilz S1MN 230VAC 2C/O is particularly useful in applications such as insulation monitoring, resistance-based safety circuits, and leakage detection. It can be integrated into control cabinets for machinery, process automation systems, or power distribution setups where precise resistance monitoring is required. Its ability to provide fast and reliable responses helps prevent costly downtime, supports compliance with safety regulations, and extends the lifespan of connected equipment.

In summary, the Pilz S1MN 230VAC 2C/O monitoring relay is a compact yet powerful device that delivers accurate resistance monitoring with energy efficiency and reliability. With its 230 V AC operation, 3.6 kΩ calibrated response, and durable industrial design, it is an essential component for maintaining safe, efficient, and compliant industrial automation systems.