Siemens 5SY4401-8 SENTRON MCB, 1A 4P D Curve, 10kA

Designed for industrial panel protection, its D characteristic provides 10–20x In trip tolerance, handling motor inrush and transformer energization without nuisance trips. Breaking capacity: 10 kA standard, 35 kA industrial, 15 kA DC, 5 kA for UL. Rated 400 V AC, overvoltage category III. Mounts in any position, occupies 4 modular-width units (72 mm wide), and uses a quick-assembly system. Terminal comb availability allows busbar feed across poles.