... : 220V HS:850440 DESCRIPTIONServo motor type voltage regulator MODEL NO.SVC-500VA/1KVA/1.5KVA/2KVA/3KVA~~~30KVA SPECIFICATION (DETAILS)1 ... , lighting, TV, medical equipments, communication equipments,fridge&freezer, aircondition, etc. SVC servo type voltage stabilizer