<p>When selecting a reliable and efficient monitoring solution for your electrical systems, this product offers a robust set of features tailored to meet industrial and commercial needs. With its measuring range of 450-720 VAC (L-L), it is well-suited for applications requiring precise voltage monitoring within this spectrum. The rated voltage and current stand at 450-720 VAC and 4 A respectively, ensuring compatibility with common industrial power systems.</p><p>Engineered for versatility, the device operates seamlessly at both 50 Hz and 60 Hz frequencies, catering to diverse operational environments across Australia. Its contact form flexibility allows configurations of either two single-pole changeover (1CO) contacts or one double-pole changeover (2CO) contact, providing adaptable control options based on specific requirements.</p><p>Designed for ease of installation, the unit mounts on a standard 35 x 7.5 mm DIN rail with screw-type terminals that facilitate secure connections. Compact in size with dimensions of 45 mm width and 85.6 mm height, it fits neatly into control panels without occupying excessive space.</p><p>The product excels in functionality by offering automatic phase sequence correction alongside overvoltage and undervoltage monitoring capabilities. It also detects phase failures and unbalances while ensuring continuous phase sequence monitoring—critical functions that help maintain system stability and prevent equipment damage.</p><p>Durability is another cornerstone feature; electrically rated for up to 100,000 operations and mechanically enduring up to an impressive 30 million operations, this unit promises long-lasting performance even in demanding conditions. Its IP20/IP50 protection rating ensures adequate resistance against dust ingress while maintaining safety standards during operation.</p><p>Operating effectively within temperatures ranging from -25&#176;C to +60&#176;C, the device is suitable for varied climatic conditions found across different regions in Australia. Compliance with international standards such as CAN/CSA C22.2 No.14, IEC/EN certifications including IEC/EN 63000, IEC/EN 60255-27 among others ensures adherence to rigorous safety protocols.</p><p>Weighing just under a quarter kilogram at approximately 0.229 kg, it strikes a balance between sturdiness and lightweight design—ideal for installations where weight considerations are paramount.</p><p>This comprehensive suite of features makes it an indispensable component in safeguarding your electrical infrastructure against disruptions caused by voltage irregularities or phase anomalies while optimizing operational efficiency through intelligent automation functions.</p>