End-to-end services covering system consultation, engineering design, manufacturing, installation, testing, and dependable after-sales support.
All services are performed by certified engineers and professionally trained technicians—ensuring safety, accuracy, and long-term reliability.
Our expert team provides fast on-site support and maintenance across Thailand, backed by genuine parts and trusted brands.
Our support team is available 24/7 via Hotline and Line for expert advice and immediate assistance whenever you need it.
Looking for Reliable Power Solutions? Trust Multiphase Power.
We deliver end-to-end generator services with proven quality and nationwide support.
At Multiphase Power, we are committed to delivering high-quality power generation equipment and advanced energy solutions tailored to meet your load demands with efficiency and reliability. Every unit is thoroughly inspected and serviced by our certified engineering team—professionally trained by the Engineering Institute of Thailand under H.M. The King’s Patronage. Additionally, our team has received specialized training in generator systems from the Thai Generator Association, enhancing both technical expertise and service standards.
We take pride in offering modern, reliable, and cost-effective equipment, supported by a friendly and knowledgeable team dedicated to your success. We’re confident you’ll be impressed from your very first interaction. Our main service center is located in Rayong, spanning over 3,500 sqm across three fully equipped workshop buildings. The facility supports a comprehensive range of services, including: Machine fabrication and assembly, Control system integration, Parts processing, System testing and final inspection. We serve clients across a wide range of industries with a strong commitment to quality, safety, and performance in every aspect of our operations.
Multiphase Power provides professional on-site installation services carried out by a team of experienced and certified technicians. With deep technical knowledge and hands-on expertise, we ensure that every installation is delivered with efficiency, accuracy, and customer satisfaction in mind.
We offer comprehensive load bank testing and rental services for customers in Bangkok and nationwide. Our service includes precise measurement, certified testing equipment, and expert technicians—ensuring reliable power system validation and performance verification.
Our team delivers reliable repair, servicing, and overhaul support for diesel generators. With a dedicated hotline and rapid-response service team, we’re always ready to assist. Whether it’s scheduled maintenance or full system overhaul, we ensure your generator operates at peak performance.
Multiphase Power stocks and supplies genuine spare parts for leading engine brands including Perkins, Cummins, Powerlink, and more. All parts undergo strict quality control before delivery and are available for nationwide dispatch—ensuring timely support and continued system performance.
We provide on-site operator training for all generators installed by Multiphase Power. Training is typically offered during the commissioning phase, but can also be arranged for new staff or as refresher courses—helping your team operate with confidence and safety.
091-187-1111
marketing@multiphase-corp.com
@multiphasepower





Multiphase Power offers professional load bank testing and rental services with four available capacities 600, 700, 1000, and 2000 kW—suitable for both indoor and outdoor applications. All testing is performed by skilled technicians under strict safety standards, with full monitoring and detailed reporting. We provide nationwide service to ensure fast, reliable support wherever it’s needed.