<p>When it comes to selecting the right Miniature Circuit Breaker (MCB) for your industrial or commercial needs, understanding the technical specifications is crucial. The S800HV series MCB stands out as a robust and reliable choice, designed to meet the demands of high-voltage environments.</p><p>This MCB features a rated current of 50 A, making it suitable for applications requiring consistent performance under load. It supports both 580 VAC and 1000 VAC rated voltages, providing flexibility for various electrical systems. With a breaking capacity of 4 kA at 1000 VAC, this unit is equipped to handle significant fault conditions without compromising safety.</p><p>The S800HV MCB boasts an impressive rated impulse withstand voltage of 8 kV and a rated insulation voltage of 1000 V, ensuring protection against transient overvoltages that can occur in demanding settings. Its K release type curve is particularly beneficial for protecting circuits with inductive loads such as motors and transformers.</p><p>Designed with practicality in mind, this single-pole breaker has dimensions that suit space-constrained installations: a width of just 27 mm ensures efficient use of DIN rail space. The screw clamp terminal type allows secure connections with a tightening torque requirement of 3.5 N-m, accommodating cable cross sections up to 50 sq-mm on both top and bottom terminals.</p><p>Safety standards are thoroughly addressed with approvals from AS/NZS 60947-2 and UL 1077, confirming its compliance with essential safety regulations in Australia and other regions. Its IP20 degree of protection makes it suitable for indoor installations where minimal exposure to dust or moisture is expected.</p><p>Operationally versatile across temperatures ranging from -25&#176;C upwards, this MCB remains reliable even in challenging environmental conditions typical within industrial settings. The housing color RAL 7035 grey not only provides an aesthetic appeal but also conforms to standard equipment colors used in many facilities.</p><p>Additionally, the S800HV series offers ease-of-installation on standard DIN rails—a feature appreciated by technicians looking to streamline electrical panel setups. Rated frequency compatibility at 50 Hz aligns well with Australian power systems while maintaining efficiency across different operational contexts.</p><p>In summary, the S800HV series MCB delivers robust performance wrapped in practical design elements tailored for commercial and industrial applications—meeting stringent safety standards while offering user-friendly installation features ideal for professionals seeking dependable circuit protection solutions without compromise on quality or reliability.</p>