The Morse Torque Limiter is a protective device that limits torque transmitted in a drive system by slipping when the torque demand exceed a preset value as a result of shock loads, overloads, or machine jams. It automatically re-engages when the overload torque has passed; no re-setting is required. It prevents machine damage and eliminates costly breakdown time.

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The Original Torque Limiter
The Torque Limiter utilises spring loaded friction surfaces for its operation; slip torque is preset by adjustment of the spring force. The Torque Limiter can be used with a sprocket, gear, sheave or flange as the centre member clamped between two friction facings. Offered complete with a range of specially machined platewheels and shaft to shaft couplings, with torque range 3 - 8540 Nm.

Metric Series Torque Limiters
To extend the range of torque capability a new series of Torque Limiters is offered providing both smaller and larger sized units with a range of 1.5 to 10,000 Nm. These units are all to metric dimensions, and as with the original series are available with a roller chain coupling for shaft to shaft connection.

Torque Limiter combined with Roller Chain Flexible Coupling
The Torque Limiter Coupling combines overload protection with ability to connect in-line shafts. The unit consists of a standard Torque Limiter and platewheel connected to a special coupling sprocket by duplex Roller Chain. Available in eleven standard sizes, they are easy assembly units providing protection and reliability.

Parameter Name	Parameter Value
Operation	friction, with sprocket wheel, roller
Other characteristics	compact spring
Torque (Nm)	0 - 0 3 - 3
Diameter (mm)	52.3 - 469.9
Rotational speed (rpm)	80 - 1800