The Square D NEHB-12426-1 SER. E1 480Y/277 VAC 125 AMP NEHB PANELBOARD BREAKER BOX 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 277 VAC, 125 AMP. It is commonly in power distribution panels and industrial control circuits.
