The Square D AMP CIRCUIT BREAKER BUS PLUG 600 VAC 3 POLE PI-100-ML-1 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 600 VAC, 100 AMP, 3 POLE. It is commonly in equipment protection and branch-circuit wiring applications.
