<p>When selecting a thermal overload relay for your industrial or commercial applications, it&#39;s essential to consider both technical specifications and compatibility with existing systems. This particular thermal overload relay is crafted to meet rigorous standards, ensuring reliable protection and performance.</p><p>Designed for use in circuits with a rated voltage of 690 VAC, this relay supports a rated current of 0.55 A and operates efficiently at frequencies of 50/60 Hz. With a power loss of just 2.1 W, it provides an energy-efficient solution without compromising on functionality.</p><p>The relay boasts a robust rated impulse withstand voltage of 8 kV and maintains its integrity with a rated insulation voltage also at 690 V. Its contact configuration includes one normally closed (NC) and one normally open (NO) contact, offering flexibility in circuit design.</p><p>With an adjustable setting range between 30-40 A, this device can be fine-tuned to suit specific operational needs. It adheres to Trip Class 10 standards, which indicates its rapid response time in protecting equipment from overcurrent conditions.</p><p>The degree of protection is classified as IP10 and IP20, safeguarding against dust ingress while providing basic protection against solid objects larger than 12mm. Additionally, the degree of pollution rating is IP3, indicating suitability for environments where non-conductive pollution may occur.</p><p>Mounting this relay is straightforward due to its direct mounting type design. Its dimensions are compact yet substantial enough for durability: measuring at a width of 54.9 mm, height of 101.4 mm, and depth of 106.9 mm.</p><p>Operational temperature ranges from -40&#176;C to +70&#176;C ensure that the relay can function effectively under extreme conditions typical in industrial settings. For storage purposes, it accommodates temperatures ranging from -50&#176;C to +80&#176;C without losing performance capabilities.</p><p>This product pairs seamlessly with AF40-AF65 contactors—a vital consideration when integrating into existing setups—and meets various international standards such as IEC/EN and UL certifications including IEC/EN 60947-1 among others.</p><p>For enhanced safety during short circuit events up to 100 A, fuse type gG devices are recommended as protective measures alongside this thermal overload relay.</p><p>Electrical connections are facilitated through screw terminals ensuring secure attachment within control panels or other enclosures where space might be limited but reliability remains paramount.</p><p>Finally equipped with an automatic reset function; downtime due to manual intervention post-trip event becomes minimalized thereby maximizing productivity levels across operations reliant upon continuous machine uptime adherence classifies under Release Class: Class10 further highlights quick reset capability making it ideal choice users seeking dependable long-term solutions their electrical apparatus needs</p>