The Square D AMP POWERPACT I-LINE CIRCUIT BREAKER 480 VAC 3 POLE FA34040 is a circuit protection device from Square D. It safeguards wiring and connected equipment by opening or isolating the circuit when current exceeds its rated threshold. Key specifications noted on this listing include 480 VAC, 40 AMP, 3 POLE. It is commonly in power distribution panels and industrial control circuits.
