<p>When evaluating a product for industrial or commercial use, the focus is on reliability and performance. This particular device offers robust features that cater to various monitoring needs in electrical systems. With a measuring range of 360-440 VAC (L-L) and a rated voltage of 400 VAC, it is well-suited for medium-voltage applications.</p><p>The unit&#39;s rated current stands at 4 A, providing adequate capacity for typical installations. It employs a contact form of 2CO SPDT (Single Pole Double Throw), ensuring versatile switching capabilities. The contact configuration mirrors this with its dual changeover contacts, making it adaptable to different circuit requirements.</p><p>Installation is straightforward with the DIN rail mounting type compatible with both 35 x 15 mm and 35 x 7.5 mm rails. The screw terminal type facilitates secure connections during setup. Measuring just 22.5 mm in width and standing at a height of 85.6 mm, this compact design ensures efficient use of space within control panels.</p><p>Operationally, the device includes critical functionalities such as phase failure detection, phase sequence monitoring, and over/undervoltage monitoring—essential for maintaining system stability and preventing equipment damage due to power anomalies.</p><p>The operating time features a start-up delay of 200 ms along with an adjustable tripping delay ranging from 0.1 to 30 seconds, allowing users to fine-tune response times based on specific application needs.</p><p>With an electrical durability rated at up to 100000 operations and mechanical durability reaching up to an impressive 30000000 operations, this unit promises longevity even under frequent cycling conditions.</p><p>In terms of environmental resilience, it boasts an IP20 degree of protection against solid objects larger than fingers while offering IP50 protection against dust ingress when installed correctly inside enclosures designed for higher IP ratings if needed. Its operational temperature range spans from -25&#176;C to +60&#176;C, accommodating varied climate conditions across Australia.</p><p>Adhering to international standards like CAN/CSA IEC/EN UL ensures compliance with safety regulations and quality benchmarks globally recognized in the industry.</p><p>Weighing in at just 0.132 kg enhances its ease of handling during installation or maintenance tasks without compromising on robustness or functionality.</p><p>This device represents a reliable choice for those needing efficient phase monitoring solutions within their electrical systems while meeting rigorous standards expected by technical professionals today.</p>