Overview
Suitable for 50-60Hz three-phase squirrel-cage induction motors, it consists of components such as autotransformers, AC contactors, and time relays, with overcurrent, no-voltage, and phase-failure protection functions. The autotransformer is factory-set to the 65% tap, and the 80% tap is for backup.
Product Advantages
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Efficient Voltage‑Reduced Starting
Built‑in autotransformer delivers smooth, controlled voltage reduction for motor startup. It greatly cuts inrush current versus direct‑on‑line starting, safeguarding motor windings and connected equipment.
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Cost‑Optimized Performance
Lower inrush current eases stress on power grids, minimizing system outages and optimizing electricity expenses. Less mechanical and electrical wear during startup also prolongs motor service life.
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Superior Operational Durability
Heavy‑duty cabinet shell adapts to harsh working environments. Premium manufacturing guarantees qualified components and stable wiring connections, lowering long‑term failure risks.
Key Features
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Optimized Cabinet Structure for Easy Maintenance
Sleek reinforced housing balances visual quality and long‑term structural stability. Optimized internal wiring enables fast connections for simpler installation and on‑site servicing.
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Full‑Function User‑Oriented Control Panel
Intuitive control panel ensures easy operation. Complete monitoring and control instruments allow operators to track the whole motor startup process.
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Premium Components & Strict Factory Testing
All wiring and electrical parts are manufactured with advanced processes for high quality and reliability. Every unit undergoes rigorous testing to meet performance standards and custom requirements.
Typical Applications
Mining Industry
Widely deployed for mining sites to mitigate heavy‑load startup impact. Suitable for pumps, crushers and other high‑power mining machinery to prevent equipment damage.
Oil & Gas Sector
Ideal for large‑motor startup of drilling rigs and pumping systems. Voltage‑reduced starting prevents power‑grid overload and protects sensitive equipment.
Agricultural Irrigation
Perfect for irrigation water pumps. It supports stable and smooth pump operation, reduces electrical faults and maintains consistent system performance.
Detailed
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