ORC Series Model F

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Centric Clutch Catalogue

Trig-O-Matic Overload Clutches

ORC Series Model F

Trig-O-Matic Overload Clutches ORC Series Fully Automatic Model F


  • Bi-directional operation
  • Single positioning for re-engagement at the exact cycle point at which it released
  • Limit switch actuation for remote detection of overload condition
  • Completely enclosed for dirty applications
  • Automatic or manual reset
  • Various configurations for direct and indirect drives
  • Six sizes (Model F - five sizes) to accommodate various bore and torque ranges

The Trig-O-Matics unique Trigger action design disconnects the load at the instant an overload occurs and at the exact torque limit you set. When the overload condition is corrected, the clutch resets at the exact cycle point and torque at which it released.

The ORC Series Trig-O-Matic Overload Clutch is available in two models: the Standard Model S and the Fully Automatic Model F. Both provide single position engagement and a means to signal an overload condition. Each model is available in various sizes and types to adapt to your drive train. They incorporate reliability, repeatability and adjustability to protect your machinery from costly damage or downtime.

Standard Model S

The Standard Model S is Boston Gearís basic low-cost unit on which various optional features can be added. The clutch mechanism is available in automatic or manual reset. Typically, a manual reset clutch is used where it will run disengaged for extended periods of time. The automatic reset is generally used in conjunction with a limit switch to shut the drive down. The Standard Model is typically used to replace shear pins and where access to the clutch is available.

Fully Automatic Model F

The Fully Automatic Model F includes all the features available in the Standard Model plus an automatic switch actuating mechanism, an automatic clutch mechanism and three mounting styles. The Model F is generally used where the unit is not easily accessible. This model is a complete overload clutch designed especially for production and packaging machinery.

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Interested in Trig-O-Matic Overload Clutches?

To order any ORC Series Model F, get a quote or for more information please contact us below or call us on 01827 575 61!