Professional 3-phase power upgrade and installation services across Kuala Lumpur and Selangor. Complete TNB application, electrical infrastructure upgrade, and certification.

End-to-end 3-phase electrical upgrade services for homes, businesses, and industrial facilities
Upgrade from single-phase to 3-phase power supply for high-power equipment
Professional electrical load calculation to determine your power requirements
Install new 3-phase distribution boards with proper circuit protection
Complete TNB application process and coordination for power upgrade approval
Professional 3-phase meter installation and electrical testing certification
Comprehensive electrical testing including phase balance and earth fault protection
Our team of licensed electrical contractors specializes in 3-phase power upgrades throughout Kuala Lumpur, Petaling Jaya, Subang Jaya, Ampang, Cheras, and surrounding areas. As TNB-registered contractors, we handle the complete upgrade process from initial assessment to final certification.
We serve residential properties requiring additional power capacity, commercial establishments installing heavy equipment, restaurants needing commercial kitchen power, and industrial facilities expanding operations. Our electricians manage TNB applications, electrical infrastructure installation, proper cable sizing, distribution board upgrades, and complete system testing.
Every 3-phase installation follows strict TNB requirements and Malaysian electrical standards. We provide professional load calculations, phase balancing, proper earthing systems, and comprehensive electrical testing. All work includes complete documentation and certification for your peace of mind.

Expert 3-phase upgrade solutions for electrical power issues
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We'll assess your total electrical load, apply for 3-phase power upgrade with TNB, install proper 3-phase distribution boards, and ensure your machinery operates efficiently with balanced power distribution across all three phases.
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Our Solution:
Our electricians will upgrade your system to 3-phase power, redistribute your electrical loads across three phases for better balance, install proper circuit breakers for each phase, and eliminate constant tripping issues.
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Our Solution:
We'll upgrade to 3-phase power supply which provides stable voltage across three phases, install proper cable sizing for reduced voltage drop, balance loads effectively, and ensure consistent power delivery to all equipment.
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Our Solution:
Our team will handle the complete 3-phase upgrade process including TNB application, electrical infrastructure upgrade, proper wiring and distribution board installation, and certification so you can install and operate your new equipment safely.
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We provide complete electrical assessment for renovation projects, calculate future power requirements, upgrade to appropriate 3-phase capacity (30A, 60A, or higher), and ensure your building can handle expanded electrical demands.
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Our Solution:
For existing 3-phase systems, we'll perform load analysis, redistribute circuits across all three phases for balanced loading, install phase monitoring systems if needed, and optimize your electrical distribution for efficiency and safety.
Evaluate your electrical requirements, calculate total load, and recommend appropriate 3-phase capacity
Handle complete TNB application process, submit technical drawings, and coordinate approval
Install 3-phase distribution board, run proper cables, wire all circuits, and connect equipment
Complete electrical testing, phase balancing, safety verification, and handover with documentation
Professional 3-phase power upgrade services across greater Kuala Lumpur region
Ampang & Ampang Jaya
KLCC & Bukit Bintang
Cheras & Cheras Baru
Pudu & Maluri
Bukit Jalil & Sri Petaling
Mont Kiara & Dutamas
Setapak & Wangsa Maju
Kepong & Segambut
Bangsar & Mid Valley
Damansara & Petaling Jaya
Subang Jaya & Shah Alam
Puchong & Seri Kembangan
Real reviews from satisfied 3-phase upgrade customers in KL
"Upgraded my workshop from single-phase to 3-phase 60A. The team handled everything including TNB application. Now my machines run perfectly without any tripping. Professional service from start to finish!"
"Our commercial kitchen needed 3-phase power for new equipment. Cool Pro handled TNB approval, installation, and certification quickly. Zero downtime for our business. Highly recommended for F&B operators!"
"Factory expansion required 100A 3-phase upgrade. They completed the entire project professionally - TNB coordination, wiring, distribution board, testing. Our production line is now running smoothly. Excellent work!"
Authorized electrical contractors registered with TNB
All permits, certifications, and compliance paperwork handled
Expedited application process with TNB for quick approval
Extensive experience in 3-phase power upgrades across KL
Contact us today for professional 3-phase electrical upgrade services. TNB-registered contractors serving KL and surrounding areas!
TNB Registered • Complete Documentation • Professional Installation