About Us

Power Quality (Thailand) Co., Ltd was founded in 1987 by professionals with more than 30 years of experience in the power quality industry to offer engineering services and products worldwide.

We offer a wide range of power quality products and services, including electrical system power analysis, testing, monitoring, trouble analysis, fault diagnostics, ground current testing, leakage current testing, power quality sensitive testing, design advice for power quality and power quality training for end user and utility customer engineers.

Our Number #1 Priority is Customer Service

Focus on System Manufacturer

Specialize in power quality hardware and engineering solutions for electronics device and system manufacturer.


Power Quality Specification

Through our extensive experience, we have developed standards for acceptable power quality. Our Power quality specialist can analyze electronic systems for sensitive areas and determine the acceptable level of power quality.


Power Quality Analysis

Our specialist conduct a variety of power quality surveys to analyze the customer electrical power quality and grounding. Follow up with a proposal for the most cost effective solutions.


Expert Engineering Services

Our veteran power quality specialists will engineer unique controls or custom designs to meet special requirements.



52/44 Moo 1, Ramkhamhaeng Soi 90, Ramkhamhaeng Road, Sapansoong Sub-District, Sapansoong District, Bangkok 10240 Thailand

Tel: +66-2-373-6340 Fax: +66-2-373-2532 E-mail: info@powerquality.co.th