The Square D AMP CIRCUIT BREAKER 480Y/277 VAC 3 POLE EJB34050 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 277 VAC, 50 AMP, 3 POLE. It is commonly in OEM equipment and MRO replacement for electrical protection devices.
