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Heavy Duty Motor
Warranty
1 Year Standard
Service
Covered by Warranty
Product Overview
Built for the extremes of mining, steel mills, and cement plants. Our heavy-duty motors feature reinforced bodies and shafts to handle massive starting loads and high-torque crushing operations. VFD-compatible and S1-rated for continuous duty in the most punishing industrial environments.
Key Features
- Extra high starting torque
- Reinforced body and shaft
- Thermal overload protection
- Suitable for harsh environments
- VFD Compatible
Technical Specifications
| Power Range | 0.5 HP to 20 HP |
| Voltage | 230 / 415V |
| Efficiency | High Efficiency / Premium |
| Duty | S1 (Continuous) |
| Cooling | IC411 (TEFC) |
| Frame | Cast Iron Heavy Duty |
Common Applications
Mining EquipmentCement PlantsHeavy CrushersSugar IndustrySteel Mills
Frequently Asked Questions
What industries use heavy-duty motors?+
Heavy-duty motors are essential for mining equipment, cement plants, heavy crushers, sugar industry, and steel mills. Any application requiring extra-high starting torque, continuous duty (S1), and operation in harsh environments benefits from a heavy-duty motor.
Are Sun Star heavy-duty motors VFD compatible?+
Yes, all Sun Star heavy-duty motors are VFD (Variable Frequency Drive) compatible. This allows precise speed control and soft starting, which is critical for applications like crushers and mills where sudden load changes are common.
What voltage options are available for heavy-duty motors?+
Our heavy-duty motors are available in both 230V and 415V configurations, from 0.5 HP to 20 HP. They feature reinforced cast iron frames, extra-high starting torque, and thermal overload protection for the most demanding applications.
What is the difference between heavy-duty and standard motors?+
Heavy-duty motors have reinforced bodies and shafts, extra-high starting torque for massive loads, thermal overload protection, and are rated for continuous S1 duty in harsh environments. Standard motors are designed for general-purpose applications with moderate loads.