The Square D AMP MAIN BREAKER I-LINE PANELBOARD 208Y/120 VAC 54 CIRCUIT 3 ø is a circuit protection device from 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, 600 AMP. It is commonly in OEM equipment and MRO replacement for electrical protection devices.
