The DK3300 is a K-frame molded case circuit breaker featuring fixed thermal and magnetic trip mechanisms, designed for three-pole applications. It operates at 300A with voltage ratings of 240V AC and 250V DC, offering an interrupting capacity of 65kA at 240V AC and 10kA at 250V DC. Constructed with aluminum components, this breaker supports both line and load connections and is compatible with 50/60Hz power systems.