LS 300A 4-pole Molded Case Circuit Breaker (MCCB) designed for industrial and commercial electrical systems. Features a rated current of 300A with breaking capacity options of 50kA or 65kA at 380/415VAC, making it suitable for heavy-duty applications. The ABS404 model provides reliable overcurrent and short-circuit protection for three-phase power distribution networks. Built to withstand demanding operational environments while ensuring safety and system integrity. Ideal for panel boards, motor control centers, and main distribution systems requiring robust circuit protection.