<p>For professionals in the electrical engineering field, selecting the right fuse switch is crucial for ensuring both safety and efficiency in industrial and commercial applications. The Fuse Switch - BS Type offers a reliable solution with its robust specifications designed to meet rigorous standards.</p><p>This fuse switch supports a rated current of 40 A, making it suitable for various medium-duty applications. Its compact dimensions—48 mm in width, 68 mm in height, and 56 mm in depth—allow for easy integration into existing systems without requiring significant space adjustments.</p><p>Engineered to withstand demanding conditions, this device boasts a rated impulse withstand voltage of 8 kV and can handle short circuit currents up to 50 kA. This ensures that the fuse switch can manage unexpected power surges without compromising system integrity. Additionally, it has a rated short time withstand current of 0.5 kA and a making capacity of 0.71 kA.</p><p>The fuse switch operates at a maximum rated voltage of 750 VAC with an insulation voltage also rated at 750 V, supporting high-voltage applications effectively. It accommodates four poles and features an IP20 degree of protection against solid objects larger than 12 mm while maintaining an IP3 pollution degree rating for environments subject to moderate levels of dust or moisture.</p><p>Designed for base mounting, this product includes a user-friendly knob handle type which facilitates straightforward operation even under challenging conditions. Its screw clamp terminal type allows secure connections with copper cables ranging from 0.75-10 sq-mm cross-sections.</p><p>Efficiency is further enhanced by its dual-rated power capabilities of either 5.5 kW or 11 kW depending on specific requirements, while maintaining minimal power loss at just 1.6 W—a testament to its energy-conscious design.</p><p>While this model does not include a lock feature, its construction ensures dependable performance across various installations where locking mechanisms are not essential.</p><p>In summary, the Fuse Switch - BS Type presents itself as an optimal choice for professionals seeking reliability combined with performance efficiency in their electrical systems.</p>