The Siemens AMP MAIN BREAKER PANELBOARD 208Y/120 VAC 3Ø 4W BG42BH4100STM is a circuit protection device from Siemens. It shields downstream wiring and equipment from damage by interrupting the circuit during a fault or overload. Key specifications noted on this listing include 120 VAC, 100 AMP. It is commonly in panel builds and electrical system retrofits.
