The Square D AMP I-LINE CIRCUIT BREAKER 3 POLE 480 VAC 250 VDC FA34080 is a circuit protection device from Square D. It provides overcurrent protection, breaking the circuit automatically if current exceeds a safe level. Key specifications noted on this listing include 480 VAC, 250 VDC, 80 AMP, 3 POLE. It is commonly in panel builds and electrical system retrofits.
