In modern industries, heavy-duty motors are essential for running machines and production lines. However, when large motors start, they draw a very high inrush current that can damage equipment, overload circuits, and increase electricity bills. To solve this problem, industries use Auto Transformers as a reliable motor starting solution.
🔋 What is an Auto Transformer?
An Auto Transformer is a special type of transformer designed to reduce the starting voltage of motors. By lowering the voltage during motor start-up, it helps:
Minimise the initial current surge.
Reduce stress on motors and connected equipment.
Ensure a smoother start with maximum torque.
👉 In simple words: Auto Transformers protect motors and machinery by making the starting process safer and more efficient.
⚡ Benefits of Using Auto Transformers
Lower Inrush Current – prevents sudden overload on electrical systems.
Maximum Starting Torque – provides stronger performance than star-delta starters.
Improved Equipment Lifespan – reduces mechanical and electrical stress.
Energy Efficiency – saves electricity by reducing unnecessary current draw.
Flexibility – suitable for a wide range of industrial applications.
🏭 Applications of Auto Transformers
Auto Transformers are widely used in industries such as:
Manufacturing plants – for heavy-duty machines.
Water treatment facilities – for large pumps.
HVAC systems – in factories and commercial buildings.
Mining and petrochemical industries – for high-capacity motors.
Construction sector – for cranes and lifting machines.
🔧 Technical Highlights
Core Material: High-grade silicon steel for durability.
Winding: High-quality enamelled copper wire (withstand 155°C–180°C).
Insulation: Polyester varnish for high dielectric strength.
Usage: Specially designed for motor starting applications, not for continuous voltage regulation.
✅ Why Industries in Malaysia Need Auto Transformers
Many factories run large induction motors for production.
Frequent power fluctuations in Malaysia can damage machinery during start-up.
Auto Transformers are a cost-effective solution for motor protection and efficiency.
🌍 SAS Industrial Solutions
At Sumon Electrical & Hardware Trading (SAS), we provide high-quality Auto Transformers for industrial clients across Malaysia. Whether for factories, construction, or infrastructure projects, we deliver solutions that ensure safety, reliability, and efficiency.
📍 Location: Lot K10004, Ground Floor, Subang Perdana, Goodyear Court 7, Subang Jaya, Selangor-47630
📞 WhatsApp: +601116109510



