Heavy-duty circuit breaker comprising hot gas seal

Short-circuit phenomenon through hot gas

Short-circuit phenomenon through hot gas ejected from molded case circuit breakers during high current interruption process and prevention of its occurrence

✍ Yasunobu Yokomizu; Toshihiro Matsumura; Yukio Kito 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 256 KB

An experimental investigation on short-circuit phenomenon through ejected hot gas between source-side terminals in molded case circuit breakers (MCCBs) was performed. The rate of occurrence of the short-circuit phenomenon was found to increase with the peak value of the breaking current and with the