Candes A490SS 4kVA Voltage Stabilizer with Stainless Steel (SS) Body & Wide Working Range Best for Inverter AC, Split AC or Windows AC Upto 1.5 Ton with 3 Years Warranty (Silver)Candes A490SS 4kVA Voltage Stabilizer with Stainless Steel (SS) Body & Wide Working Range Best for Inverter AC, Split AC or Windows AC Upto 1. 5 Ton with 3 Years Warranty (Silver) Suitable for Air Conditioner (AC) up to 1. 5 Ton Inverter AC Window Split AC Wide Operating Voltage range (Input): 90 Volts to 290 Volts, the product will automatic cut off the AC outside this voltage range. Suitable for AC 1. 5 Ton 1 Ton 0. 75 Ton 0. 5 Ton Built in thermal