OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OEM AC Adapter Charger for Dell S2240MC/TB/LC monitors, compatible with LCD LED screens. PK Power 12V AC/DC Adapter for Dell S2240Mc S2240Tb S2240Lc LCD LED Monitor 1... $48.39 $48.60 (0% off). Quantity AC Adapter Charger For Dell S2240MC S2240TB S2240LC LCD LED Monitor Power Supply I4402974618 This PK Power adapter has a barrel connector, 100-240V input, short circuit protection, and OVP, OCP, SCP protection. It is CE/FCC/RoHS certified COMPATIBILITY: Please see full list of compatible models in the Product Description Our After Sale Service: Our friendly and reliable customer service will respond to you within 24 hours. SCP: Short Circuit output Protection) OCP: Over Current output Protection. 12V AC/DC Adapter Charger Power Supply for Dell 22'' 23'' 24'' Screen LED LCD Monitor S2340M ADP-40DD B S2240L PA-1041-71 S2240T