Bentex SK OSA Starter 20–32A | Oil-Immersed Motor Starter for 7.5–10 HP Pumps

Bentex SK OSA Starter 20–32A | Oil-Immersed Motor Starter For 7.5–10 HP Pumps


  • Bentex


  • Starter


Availability : Many In Stock

The Bentex SK OSA Starter is a compact and heavy-duty oil-immersed motor starter designed for smooth motor starting and superior protection. Its oil-cooled design reduces electrical arcing, improves heat dissipation, and increases contact life — ensuring reliable performance in demanding environments. With a 20–32 Amp relay range, this starter is suitable for approximately 7.5 HP to 40 HP motors, making it ideal for agricultural pumps, borewell systems, and industrial motor control applications. Built with durable components and simple push-button controls, the Bentex SK OSA Starter offers low maintenance, long service life, and consistent motor protection.

  • Brand: Bentex
  • Model: SK OSA Starter
  • Relay Range: 32 – 42 Amps
  • Compatible Motor Power: Approx. 7.5 HP to 40 HP (based on motor FLC)
  • Starter Type: Oil-Immersed Motor Starter
  • Controls: Push “ON” / “OFF” with clear indication
  • Durability: Heavy-Duty Construction
  • Maintenance: Low Maintenance
  • Ideal For: Agricultural, Domestic & Industrial Use


  • Oil-immersed starter for enhanced cooling
  • Smooth and reliable motor starting
  • Reduces electrical arcing & contact wear
  • Built-in overload protection
  • 32-40 A relay range
  • Suitable for 7.5–40HP motors
  • Heavy-duty durable construction
  • Easy ON/OFF push button control
  • Simple installation & low maintenance
  • Ideal for pump and motor applications
What motor size is compatible with Bentex SK OSA Starter? +

It supports 7.5 HP to 40 HP motors within the 32 -40 A range.

Is this an oil-immersed starter? +

Yes, it uses oil cooling for better heat dissipation and longer contact life.

Does it provide overload protection? +

Yes, it has built-in overload protection for motor safety.

Can it be used for agricultural pumps? +

Yes, it is ideal for irrigation and borewell pump applications.

Is it suitable for industrial use? +

Yes, it is designed for agricultural, domestic, and industrial applications.

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