<p>When it comes to ensuring the reliability and safety of your electrical systems, having a robust phase failure detection and voltage monitoring device is critical. This particular product offers a comprehensive solution for professionals in industrial and commercial settings who demand precision and durability.</p><p>Designed to operate within a measuring range of 320-460 VAC (L-L), this unit is ideal for applications requiring stable voltage monitoring. It supports a rated voltage of 320-460 VAC and operates efficiently at a rated current of 4 A, making it suitable for various electrical environments. The dual-frequency compatibility with both 50 Hz and 60 Hz ensures versatility across different regions.</p><p>The contact form utilizes a single normally open (1NO) configuration, providing straightforward integration into existing systems. With an easy-to-install DIN rail mounting type—compatible with both 35 x 15 mm and 35 x 7.5 mm rails—installation is hassle-free, saving valuable time during setup.</p><p>Constructed with user convenience in mind, the terminal type features screw connections that ensure secure attachment without compromising on accessibility. Measuring just 22.5 mm in width and standing at a height of 78 mm, its compact design doesn&#39;t sacrifice functionality or performance.</p><p>The operational efficiency extends to its response times; featuring both a start-up delay and tripping delay set at an optimal 500 ms each, ensuring quick yet reliable operation under varying conditions. Its output type remains consistent with the contact form as another single normally open (1NO) setup.</p><p>In terms of protection, the device boasts an IP20 degree rating for touch protection against fingers or similar objects, while offering IP50 degree protection against dust ingress. The degree of pollution is categorized as IP3, indicating suitability for environments where conductive pollution may occur or where dry non-conductive pollution could become conductive due to condensation.</p><p>Operating seamlessly across temperatures ranging from -20&#176;C to +60&#176;C means this unit can withstand diverse environmental conditions without hindering performance. Adhering strictly to standards such as CAN/CSA IEC/EN UL further enhances its credibility among industry professionals seeking certified components.</p><p>Weighing only 0.066 kg, it&#39;s lightweight yet robust enough for demanding applications—a testament to its engineering excellence aimed at delivering peace-of-mind through dependable phase failure detection alongside over-and-undervoltage monitoring capabilities tailored specifically towards maintaining electrical integrity within your system infrastructure.</p>