<p>When it comes to ensuring the safety and efficiency of your electrical systems, selecting the right thermal overload relay is crucial. This particular model offers a robust solution for protecting motors against excessive heat due to overloads, with features designed to meet industrial and commercial demands.</p><p>Operating at a rated voltage of 690 VAC and a current rating of 0.55 A, this thermal overload relay is equipped to handle heavy-duty applications. With a dual-rated frequency of 50/60 Hz, it provides versatility across different power systems. The device has an impressive rated impulse withstand voltage of 6 kV and maintains its integrity with a rated insulation voltage also at 690 V.</p><p>The contact configuration includes one normally closed (1NC) and one normally open (1NO) contact, providing flexibility in control circuit integration. Its setting range from 0.31-0.41 A allows for precise adjustments tailored to specific motor requirements, while its trip class is set at Class 10, offering reliable protection by tripping within ten seconds under locked rotor conditions.</p><p>With protection levels of IP10 and IP20, this relay safeguards against accidental contact with live parts while maintaining operational reliability in environments defined by pollution degree IP3. Direct mounting simplifies installation processes, making it user-friendly for technicians working on-site.</p><p>Physically compact yet sturdy, the unit measures 45 mm in width, stands at a height of 88.3 mm, and has a depth of 70.5 mm—dimensions that allow easy incorporation into existing setups without demanding extensive space modifications.</p><p>Designed to operate efficiently between temperatures ranging from -25&#176;C to +60&#176;C and capable of being stored safely from -50&#176;C up to +80&#176;C, its resilience under varying environmental conditions is commendable.</p><p>This thermal overload relay supports compatibility with AF09-AF38 devices; thus integrating seamlessly into pre-existing systems utilizing these components becomes straightforward.</p><p>Compliant with international standards such as IEC/EN 60947-1/-4-1/-5-1 along with UL certifications (UL60947-1/-4-1), users can trust in its adherence to global safety norms—a critical consideration for installations requiring stringent regulatory compliance like those found within Australia’s diverse industrial sectors including mining or manufacturing facilities using refrigerants per IEC60335-2-40 A2L guidelines.</p><p>For enhanced system security during short circuits incidents up till two amperes are covered via recommended fuse type gG usage alongside screw-type electrical connections ensuring secure linkage throughout operations—reinforcing both performance stability alongside ease-of-maintenance practices inherent within everyday operational contexts encountered by engineering professionals nationwide today!</p><p>In summary: whether you’re upgrading existing infrastructures or embarking upon new projects altogether rest assured knowing this reliable thermal overload relay will stand ready safeguarding vital equipment investments now well into future endeavors ahead!</p>