The QY18U20.5B0 is a circuit breaker manufactured by CBI. With a UL489A rating, a U2 curve, a DC voltage rating of 80V, a 0.5 amp current rating, and a 0.65 trip amps, this circuit breaker provides reliable and efficient protection for electrical circuits. Its compact size and durable construction ensure easy installation and long-lasting performance. Perfect for various applications, this circuit breaker is a reliable and efficient solution for electrical safety.