<p>The S300P series MCB is a robust and reliable miniature circuit breaker, designed to meet the demanding needs of industrial and commercial applications. With a rated current of 50 A, this unit ensures efficient protection for electrical circuits against overloads and short circuits. It operates with precision across a range of environments, maintaining performance in ambient temperatures from -40&#176;C to 70&#176;C.</p><p>Engineered for durability, this MCB boasts an impressive electrical lifespan of up to 10,000 cycles. Its breaking capacity stands at 15 kA, making it suitable for installations where high fault currents are expected. The device adheres to international standards such as CSA 22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2, and UL 1077—ensuring compliance with rigorous safety and quality benchmarks.</p><p>The S300P features a single-pole configuration with a rated voltage of up to 254 VAC and is capable of handling impulse withstand voltages up to 6 kV. Its rated insulation voltage is marked at 500 V, providing an extra layer of security during operation.</p><p>Designed with user convenience in mind, the MCB incorporates screw clamp terminals that support secure connections with a tightening torque requirement of just 2.8 N-m. The wire stripping length is set at an optimal 14 mm for ease during installation.</p><p>Measuring at a compact width of only 17.5 mm alongside its height and depth dimensions (88 mm x 67.6 mm), it fits seamlessly into various setups without occupying excessive space on the DIN rail mount—a standard mounting method that offers flexibility across different configurations.</p><p>Protection levels are well-considered with IP20/IP40 ratings depending on enclosure use; ensuring safe operation even in less-than-ideal conditions while maintaining resilience against dust ingress or accidental contact by fingers or tools when housed appropriately.</p><p>This model&#39;s power loss remains minimal at just about 3.7 W under full load conditions—an important factor for energy efficiency considerations within larger systems—and its housing comes in RAL 7039 grey which blends unobtrusively into most panel designs.</p><p>Additionally equipped with Curve Type B tripping characteristics suited for general-purpose applications involving resistive loads like lighting or heating elements; it also supports arbitrary power supply connections allowing versatile integration options no matter your setup specifics may be—all backed by dielectric test voltages reaching up till around approximately two kilovolts further solidifying operational integrity throughout varied usage scenarios encountered daily across industry landscapes worldwide today!</p>