Question: which ac is best in low voltage?
Answer: Best AC Stabilizer: Simon Digital Stabilizer. Check on Amazon. Brand. Simon. Capacity. 5 KVA. Power. 160-290 V. ... 
Best for Low Voltage: Microtek EM5150+ Brand. Microtek. Capacity. 10-15 AMPs. Power. 150-290 V. Warranty. ... 
Best Cost Effective: V-Guard VG500. Check on Amazon. Brand. V Guard. Capacity. 15 Amps. Power.