<p>When considering a reliable thermal overload relay for industrial and commercial applications, this particular model stands out with its robust specifications. Designed to protect electrical equipment from overheating, it operates efficiently within a rated voltage of 690 VAC and a current setting range of 66-90 A. The relay is tailored for use with AF116-AF140 contactors, making it versatile across various setups.</p><p>One of the key features is its trip class designation, Class 10, which ensures timely intervention when abnormal conditions are detected. The automatic reset function further enhances operational efficiency by minimizing downtime without manual intervention.</p><p>The relay&#39;s structural integrity is underscored by its compliance with international standards such as IEC/EN 60947-1, IEC/EN 60947-4-1, and UL certifications. With an IP20 degree of protection and an IP3 degree of pollution rating, the device assures safe operation in typical industrial environments.</p><p>This thermal overload relay accommodates direct mounting and measures 89 mm in width, 140 mm in height, and 126 mm in depth. Its compact design allows for seamless integration into existing systems without requiring significant space adjustments.</p><p>In terms of environmental resilience, the operational temperature ranges from -25 to +55 degrees Celsius while storage conditions can endure between -40 to +70 degrees Celsius. This broad temperature tolerance makes it suitable for diverse climatic conditions found across Australia.</p><p>Electrical connections are facilitated through screw terminals ensuring secure attachments that withstand regular operational vibrations. Additionally, the short circuit protective devices support up to 200 A with fuse type gG safeguarding against potential faults effectively.</p><p>Power loss is minimal at just 2.1 W which contributes to energy efficiency over prolonged use periods. Rated impulse withstand voltage stands at an impressive 8 kV providing substantial resistance against transient overvoltages often encountered in industrial settings.</p><p>Overall, this thermal overload relay offers a balanced combination of safety features and practical performance metrics essential for professionals seeking dependable solutions in their electrical projects or installations.</p>