Wrap Spring Clutches and Brakes provide high torque in a compact package. They will drive in only one direction and can be mechanically or electrically actuated. Wrap Spring products are factory assembled and tested.

Product Function		Models
	Overrunning	SC – "OR"
	Start/Coast	SC – "SS"
	Single Revolution	SC – "SR"
	Start/Stop	DCB or DCB Supers

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Self-Contained
Each DCB series wrap spring model is completely self-contained. Assembly and testing before shipment assure reliable and trouble-free operation. This series can only be supplied with a hub input.

Electrically Actuated
The DCB series of wrap spring clutch-brake packages is electrically actuated. These packages are designed for applications requiring a continuous rotational input which is converted into starting and stopping a load. Models are available to operate from either an AC or DC power source.

Accurate
Stop positioning can be maintained within ±1/2°. The stop point is adjustable.

Interchangeability
The DCB series has been designed for the industrial and business/office machine market and is completely interchangeable with other comparable clutch-brake packages.

Non-Electric
SC series wrap spring clutches
require no electrical power since they can be mechanically actuated. This design provides you with trouble-free installation.

Higher Torque
The SC series wrap spring clutch
delivers more torque than a friction clutch of the same size.

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Spring Clutch Family
SC series spring clutches are available in 3 styles:
OR Overrunning
SS Start/Coast
SR Single Revolution

Overrunning/one way (OR) – This clutch continually drives the load. The load is allowed to overrun the input, should its speed exceed input speed. In the reverse direction the unit acts as a one-way clutch.

Start/Coast (SS) – The start/coast clutch is engaged until the collar which contains the spring tang is stopped. Once it is stopped, the load is disengaged and coasts to a stop.

Single Revolution (SR) – Attaching one end of the spring to the output hub results in a single revolution clutch. The load is stopped through the spring to the collar. Precise nonaccumulative error single revolution cycling is achieved. Braking torque equals 10% of the maximum torque rating.

Interchangeability
The SC family of clutches is designed to replace competitors' clutches. Special bore sizes and hub configurations are available upon request.

Standard Options
• Clutches can be supplied with hub or shaft inputs
• Multiple stop collars