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Known for its legendary durability and mechanical grit, MK1 is a field-proven air-break starter engineered to run and protect three-phase motors up to 15 HP (and single-phase installations).
Whether you are pushing a deep borewell submersible pump in a farming grid or setting up a small domestic flour mill, the MK1 offers the uncompromising reliability needed to withstand severe voltage unbalance, frequent restarting cycles, and tough environmental conditions.
When operating heavy-duty 3-phase motors above 5 HP, launching them directly-on-line (DOL) causes a massive initial current spike. This sudden load can cause severe voltage drops across your facility, trigger main breakers, and place intense mechanical stress on your motor's internal windings.
The Bentex Star Delta Oil Immersed Starter solves this problem safely and efficiently. By first starting the motor in a low-voltage “Star” configuration to restrict the initial rush current, and then switching to the full-voltage “Delta” run configuration once the motor gains speed, it provides seamless, safe acceleration for high-horsepower machinery.
Primary Applications: 7.5 HP to 15 HP - Medium Atta Chakkis (Flour Mills), Oil Expellers, Monoblock Pumps, 15 HP to 25 HP+ Large Submersible Borewell Pumps, Heavy Air Compressors, Stone Crushers.
Protect your agricultural pumps and industrial motors with the genuine Bentex DOL Oil Starter. Features reliable arc quenching, overload protection, and heavy-duty build.
When it comes to safeguarding high-value submersible pumps, agricultural motors, and heavy workshop machinery, standard air-break starters often struggle in harsh environments. Dust, moisture, and frequent voltage fluctuations cause rapid wear on electrical contacts.
The Bentex Direct-On-Line (DOL) Oil Immersed Starter is engineered specifically to overcome these challenging conditions. By submerging the entire contactor mechanism in high-grade insulation oil, this starter ensures cool operation, zero dust interference, and an incredibly long service life.
Primary Applications: Submersible Pumps, Monoblock Pumps, Chaff Cutters, Atta Chakki (Flour Mills), Masala Pulverizers, Air Compressors & Lathe Machines.
⚠️ Important Maintenance Note: Always ensure the transformer oil level stays strictly up to the marked indicator line on the tank before turning the unit on. Use fresh, clean moisture-free insulation oil for replacement cycles to maintain peak dielectric strength.
Built to deliver steady water output, the Crompton submersible pump is made for homes that need reliability. Its Sand Fighter Design keeps sand and silt out, so the motor lasts longer even in rough borewell conditions. The Super Cool Motor keeps temperatures low, even during long hours of operation. Maintenance is minimal too, thanks to a design that avoids frequent clogs. With a CED anti-rust coating, the pump stays protected from corrosion in all water types. It also handles voltage fluctuations with ease, ensuring uninterrupted water flow. It is strong, durable, and simply keeps the water coming.