<p>When selecting a thermal overload relay for your industrial or commercial applications, reliability and precision are key. This particular thermal overload relay offers robust performance with a rated voltage of 690 VAC and current rating of 0.25 A, making it suitable for various demanding environments. Designed to operate at both 50 and 60 Hz, it provides flexibility across different electrical systems.</p><p>The unit is engineered with safety in mind, featuring a rated impulse withstand voltage of 6 kV and insulation voltage matching its operational capacity at 690 VAC. The contact configuration includes one normally closed (NC) and one normally open (NO) contact, ensuring reliable switching operations.</p><p>This thermal overload relay boasts an IP20 degree of protection against solid objects larger than 12 mm, while the pollution degree is rated at IP3, indicating its resilience in moderately contaminated environments. The device&#39;s trip class is Class 10, suited for standard motor protection by providing adequate delay before tripping under overload conditions.</p><p>Measuring at a width of 104 mm, height of 151 mm, and depth of 126 mm, this compact unit can be directly mounted for ease of installation. It operates efficiently within an ambient temperature range from -25 to +55 degrees Celsius and can be stored safely between -40 to +70 degrees Celsius.</p><p>Compatibility with AF190-AF205 contactors ensures seamless integration into existing systems. The device adheres to several international standards including IEC/EN 60947-1, IEC/EN 60947-4-1, IEC/EN 60947-5-1 as well as UL equivalents—testaments to its quality engineering.</p><p>For short circuit protection, it supports devices up to a capacity of 224 A using fuse types gG or aM rated at up to 200A. Electrical connections are made via screw terminals which provide secure attachment points under industrial conditions.</p><p>The current setting range offered by this relay spans from 100 to135 A with an automatic reset function that enhances operational convenience by reducing downtime after fault clearance.</p><p>This thermal overload relay represents an optimal blend of performance specifications needed for effective motor protection in diverse applications where dependability cannot be compromised.</p>