This Square D AMP I-LINE MAIN BREAKER PANELBOARD 208Y/120 VAC 3∅ 48 CIRCUIT is a circuit protection device manufactured by Square D. It serves as the protective device in an electrical circuit, stopping current flow when a fault is detected. Key specifications noted on this listing include 120 VAC, 450 AMP. It is commonly in control panels, switchgear, and machine electrical systems.
