The Siemens 400A MAIN BREAKER PANELBOARD 480Y/277V 3∅ 4W 15 CIRCUIT S4E60ML600DBS is a circuit protection device from Siemens. It provides overcurrent protection, breaking the circuit automatically if current exceeds a safe level. Key specifications noted on this listing include 400A. It is commonly in OEM equipment and MRO replacement for electrical protection devices.
