This Square D AMP MAIN BREAKER PANELBOARD 240/120 VAC 3Ø 4W NQOD430M100CU is a circuit protection device manufactured by Square D. It shields downstream wiring and equipment from damage by interrupting the circuit during a fault or overload. Key specifications noted on this listing include 120 VAC, 100 AMP. It is commonly in control panels, switchgear, and machine electrical systems.
