The Cutler-Hammer AMP MAIN BREAKER PANELBOARD INSERT 208Y/120 VAC 3∅ 18 CIRCUIT is a circuit protection device from Cutler-Hammer. 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, 40 AMP. It is commonly in equipment protection and branch-circuit wiring applications.
