This Square D AMP POWERPACT CIRCUIT BREAKER 600 VAC 3 POLE LJP36400U31XSA is a circuit protection device manufactured by Square D. It provides overcurrent protection, breaking the circuit automatically if current exceeds a safe level. Key specifications noted on this listing include 600 VAC, 400 AMP, 3 POLE. It is commonly in panel builds and electrical system retrofits.
