Centrifugal Clutches | Overload Clutch | Detent Overload Clutch

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Centrifugal Clutches

In 1998, Boston Gear acquired the Centric Clutch Company. Since 1948, Centric Clutch has been manufacturing Centrifugal Clutches for a wide range of industries. Designed as a means to connect power in a drive train with soft start or delay capabilities, Centric's centrifugal clutches were the industry's first overload protection device with repeatable performance.

Trig-O-Matic Overload Release Clutch

Capitalising on the need for a dependable and repeatable torque limiter, Centric produced the Trig-O-Matic Overload Release Clutch (Model F and Model S), the original single position, mechanical torque limiting device. Customer requests for a simple cost effective overload device led to the development of the Trig-O-Matic Lite which further solidified the company's position as an industry leader.

Pneumatic Overload Clutch

Centric revolutionised torque limiting technology with the VariTorque, the first single position pneumatic overload clutch. The VariTorque was designed to meet the specific needs of paper converting machinery where large starting inertias, high production speeds and the possibility of equipment failure is great.


Detent Overload Clutch

The addition of four Model H Clutches (H1600, H1900, H2000 and PDC), economical ball and roller detent overload clutches and a complete line of friction torque limiters have helped to position the Centric family of products as one of the industry's premier offerings of mechanical overload protection devices.


Our range of Centrifugal Clutches

Centrifugal Clutches

  • Automatic engagement and disengagement
  • Delayed engagement producing a "no load start"
  • Controlled soft-start acceleration
  • No slippage at full running speed
  • 100% efficient at rated speed
  • Standard, spring control, and deep pocket models
  • Custom clutches can be designed to be RPM limiters or a "brake" on a runaway system
  • Well known industry name Centric CCC Series

Mechanical Overload Clutches

  • Centrifugal Clutches - Mechanical Overload Clutches
  • Friction torque limiters
  • Single and multi-position ball, roller and pawl notch clutches
  • Torque ratings from 4 to 50,000 inch pounds
  • Multiple mounting styles
  • Well known industry brand names Trig-O-Matic, H1600 and Trig-Lite

Pneumatic Overload Clutches

  • Centrifugal Clutches - Pneumatic Overload Clutches
  • Two styles, H2000 and VariTorque, to fit a broad range of applications
  • Single position ball or pawl notch
  • Torque ratings from 120 to 33,000 inch pounds
  • Electroless nickel finish for superior corrosion resistance
  • Complete offering of air preparation accessories

Electrically Activated Clutches and Brakes

  • Centrifugal Clutches - Electrically Activated Clutches and Brakes
  • AC and DC models
  • Shaft mounted, C-face and foot mounted styles
  • Clutch torque ratings from 144 to 1,800 inch pounds
  • 90 VDC power supplies available

Centrifugal Clutch Catalogue


How to Order your Centrifugal Clutches

For more information regarding the range of Centrifugal Clutches or for our advice please contact us today. Call us direct on 01827 57561 of fill in our online enquiry form and we'll get back to you as soon as possible. 


Electrically Activated Clutches and Brakes

read more about Electrically Activated Clutches and Brakes »


Pneumatic Overload Clutches

read more about Pneumatic Overload Clutches »


Mechanical Overload Clutches

read more about Mechanical Overload Clutches »