<p>This robust industrial device is engineered to meet the demanding needs of electrical and automation systems, ensuring reliable performance across a range of applications. It offers a comprehensive measuring range from 300 to 500 VAC (L-L), making it suitable for various voltage monitoring tasks within this spectrum. With a rated current of 4 A and operational at both 50 and 60 Hz frequencies, this product provides flexibility for diverse electrical environments.</p><p>The device features a contact form and configuration of 2CO SPDT, which stands for Single Pole Double Throw with two changeover contacts. This versatile output type is ideal for phase failure detection, phase sequence monitoring, over and undervoltage monitoring, as well as phase unbalance detection—essential functions in maintaining system integrity and preventing equipment damage.</p><p>Designed for convenience during installation, the unit supports mounting on both 35 x 15 mm DIN Rail and 35 x 7.5 mm DIN Rail setups. The screw terminal type ensures secure connections while facilitating straightforward integration into existing systems. Its compact dimensions—22.5 mm in width and 85.6 mm in height—allow it to fit seamlessly into space-constrained panels.</p><p>With an impressive operating time of less than or equal to 200 ms, this product reacts swiftly to changes in monitored parameters, enhancing system responsiveness. Durability is another key feature; it boasts an electrical durability rating of up to 100000 operations alongside mechanical durability reaching up to an astounding 30 million operations.</p><p>In terms of protection standards, the device carries degrees of protection IP20 and IP50 against solid objects like dust particles while offering pollution degree IP3 capabilities—a testament to its resilience under challenging conditions. It operates efficiently within temperatures ranging from -25&#176;C to +60&#176;C.</p><p>Compliance with international standards such as CAN/CSA C22.2 No.14, IEC/EN guidelines including IEC/EN 63000, IEC/EN 60255-27 among others ensures that this product meets rigorous safety and performance benchmarks globally recognized across industries.</p><p>Weighing just about 0.14 kg adds minimal load but delivers maximum functionality—a crucial factor when considering weight constraints in mobile or sensitive installations.</p><p>For professionals seeking a dependable solution tailored toward precise voltage measurement paired with advanced protective functionalities wrapped into one compact unit; this product stands out as an optimal choice catering specifically towards your technical requirements without compromise on quality or efficiency!</p>