... TSD-S500VA~TSD-S10KVA 2)Super-thin voltage stabilizer 3)ISO9001,CB 4)Warranty: 2 year ... TSD Single-phase high accuracy full automatic AC voltage stabilizers is made of regulator,servo motor, ... ,reliabli performance,and time-delay,over-voltage,etc,the series of stabilizers driven,of general type ... ,1.5KVA,2KVA,3KVA,5KVA,10KVA,15KVA,20KVA,30KVAoutput voltage220V3%protection over voltage245±5Vdelayshort delay ...