To protect larger loads, Model SU 200 M offers extended AC and DC ratings up to 40 A at 480Y/277 Vac. DC ratings are 48 V for single-pole and 96 V for multi-pole applications. Unit has reference temperature at 104°F, in accordance with UL® and CSA, for use in enclosures, panelboards, and other warm-environment applications. Housed in halogen-free thermoplastic, SU 200 M MCB is recyclable and features laser-printed markings for identification.