<p>When it comes to safeguarding your electrical systems, the right thermal overload relay can make all the difference. This particular model offers a robust solution tailored for industrial and commercial applications where precision and reliability are paramount.</p><p>Designed to handle a rated voltage of 690 VAC and a rated current of 0.55 A, this thermal overload relay operates efficiently at both 50 Hz and 60 Hz frequencies. Its compact design boasts dimensions of 45 mm in width, 88.3 mm in height, and a depth of 70.5 mm, making it suitable for installations where space is at a premium.</p><p>The relay features an impressive setting range from 4.2 to 5.7 A with an automatic reset function that ensures minimal downtime during operations. It adheres to Trip Class 10 standards, which means it&#39;s engineered for rapid response in protecting motors from overheating due to prolonged overloads.</p><p>In terms of protection, this device complies with IP10 and IP20 ratings for degree of protection against ingress of solid objects and moisture, respectively. Additionally, its degree of pollution rating is IP3, ensuring resilience even in less than ideal environmental conditions.</p><p>Engineered for direct mounting type installation, this thermal overload relay integrates seamlessly into existing systems without requiring extensive modifications or additional components. The screw-type electrical connection further simplifies the setup process while ensuring secure contact over time.</p><p>Safety is reinforced by its compliance with multiple international standards including IEC/EN 60947-1, IEC/EN 60947-4-1, IEC/EN 60947-5-1 as well as UL certifications such as UL 60947-1 and UL 60947-4-1. Moreover, it meets the requirements outlined in IEC 60335-2-40 A2L standard—making it suitable for diverse applications across various industries.</p><p>For optimal performance under short circuit conditions up to a maximum protective device rating of 20 A with fuse type gG is recommended—ensuring your system remains protected under fault conditions.</p><p>The operational temperature range spans from -25&#176;C to +60&#176;C while storage temperatures can safely extend from -50&#176;C up to +80&#176;C—showcasing versatility across different climates or seasons without compromising functionality or integrity over time.</p><p>Finally yet importantly—it’s compatible specifically designed for use alongside AF09-AF38 devices providing users flexibility when integrating within broader control setups thus enhancing overall efficiency throughout lifecycle usage scenarios whether new installations upgrades retrofits alike achieving desired outcomes consistently reliably every step way!</p>