Wrap Spring

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Wrap Spring Clutches and Clutch/Brakes


Wrap Spring Clutches and Clutch/Brakes

The features of wrap spring clutches and brakes; accuracy, repeatability, high torque-to-size ratio, low power consumption and long life make them an ideal solutions for a wide range of motion control applications. Basic functions include overrunning, single revolution, random positioning start-stop, high cycle rate rapid start-stops and accurate, repeatable positioning. Our wrap spring products are offered as mechanically or electrically actuated units, they come completely pre-assembled, and require no lubrication or maintenance for life.

Application Examples: Incline Conveyor, Industrial Stitchers and Staplers, Print Head, Indexing Rotary Table, Cut-Off Knife, Rack and Pinion Indexing, Packaging Equipment, Food Processing Equipment, etc.


Available Power Supply Units


One Shot Octal Socket Power Supply

Part Number: 901-00-019

Warner Electric’s One Shot Power Supply is a plug-in clutch/brake control designed for operation of AC or DC wrap spring clutches and brakes with a D-frame coil. The One Shot provides a single voltage pulse of 160 or 325 VDC for approximately 20MS, whether the customer supplied switch is momentarily closed or held closed. The One Shot Power Supply is UL Listed when used with Warner Electric’s octal socket, part no. 6001-101-001, or DIN rail mount octal socket, part no. 6001-101-002 (each purchased separately) and only UL-Recognized when used with other sockets. This unit may be mounted in any convenient position using the two mounting holes provided on the socket. Actuating the single pole, double throw (SPDT) switch energizes the solenoid coil. Releasing or resetting the switch charges an internal capacitor. A minimum of 20 milliseconds cycle time is required between operations.
Note: Designed for use with actuator limit stop option.

One Shot Power Supply

Part Number: 901-00-014

The One Shot Power Supply is available for use with standard AC as well as DC D-Frame coils. The one shot provides a single overexcite voltage pulse whether the switch is momentarily closed, or held closed. The unit operates on either 120 or 230 AC, 50/60 Hz power and may be mounted in any convenient position by use of two mounting holes for #8-32 screws.
Note: Designed for use with actuator limit stop option and D-frame coil.


CB Series Clutch/Brakes

ModelBore SizeVoltageRotation1 Stop2 Stops4 Stops
CB-20.25″24 VDCCW302-17-001302-17-002302-17-003
CB-20.25″24 VDCCCW302-27-001302-27-011302-27-003
CB-20.25″115 VACCW302-17-007302-17-008302-17-009
CB-20.25″115 VACCCW302-27-007302-27-008302-27-009
CB-40.375″24 VDCCW304-17-001304-17-011304-17-007
CB-40.375″24 VDCCCW304-27-001304-27-007304-27-026
CB-40.375″115 VACCW304-17-003304-17-008304-17-018
CB-40.375″115 VACCCW304-27-003304-27-015304-27-025
CB-50.5″24VDCCW305-17-001305-17-002305-17-003
CB-50.5″24VDCCCW305-27-001305-27-002305-27-003
CB-50.5″115 VACCW305-17-007305-17-008305-17-009
CB-50.5″115 VACCCW305-27-007305-27-008305-27-009
CB-60.75″24 VDCCW306-17-051306-17-074306-17-162
CB-60.75″24 VDCCCW306-27-029306-27-046306-27-134
CB-60.75″115 VACCW306-17-053306-17-060306-17-073
CB-60.75″115 VACCCW306-27-031306-27-039306-27-045
CB-61.0″24 VDCCW306-17-057306-17-061306-17-031
CB-61.0″24 VDCCCW306-27-032306-27-147306-27-150
CB-61.0″115 VACCW306-17-059306-17-062306-17-075
CB-61.0″115 VACCCW306-27-034306-27-044306-27-037
CB-81.25″24 VDCCW308-17-101308-17-102308-17-103
CB-81.25″24 VDCCCW308-27-101308-27-102308-27-103
CB-81.25″115 VACCW308-17-107308-17-108308-17-109
CB-81.25″115 VACCCW308-27-107308-27-108308-27-109
CB-81.5″24 VDCCW308-17-119308-17-120308-17-121
CB-81.5″24 VDCCCW308-27-119308-27-120308-27-121
CB-81.5″115 VACCW308-17-125308-17-126308-17-127
CB-81.5″115 VACCCW308-27-125308-27-126308-27-127

SBC Series Clutch/Brakes

ModelBore SizeVoltageRotation1 Stop2 Stops4 Stops
SCB-50.5″24 VDCCW325-17-001325-17-002325-17-003
SCB-50.5″24 VDCCCW325-27-001325-27-002325-27-003
SCB-50.5″115 VACCW325-17-004325-17-005325-17-006
SCB-50.5″115 VACCCW325-27-004325-27-005325-27-006
SCB-60.75″24 VDCCW326-17-007326-17-008326-17-009
SCB-60.75″24 VDCCCW326-27-007326-27-008326-27-009
SCB-60.75″115 VACCW326-17-019326-17-020326-17-021
SCB-60.75″115 VACCCW326-27-019326-27-020326-27-021
SCB-61.0″24 VDCCW326-17-010326-17-011326-17-012
SCB-61.0″24 VDCCCW326-27-010326-27-011326-27-012
SCB-61.0″115 VACCW326-17-022326-17-023326-17-024
SCB-61.0″115 VACCCW326-27-022326-27-023326-27-024
SCB-81.25″24 VDCCW328-17-019328-17-020328-17-021
SCB-81.25″24 VDCCCW328-27-019328-27-020328-27-021
SCB-81.25″115 VACCW328-17-043328-17-044328-17-045
SCB-81.25″115 VACCCW328-27-043328-27-044328-27-045
SCB-81.5″24 VDCCW328-17-013328-17-014328-17-015
SCB-81.5″24 VDCCCW328-27-013328-27-014328-27-015
SCB-81.5″115 VACCW328-17-037328-17-038328-17-039
SCB-81.5″115 VACCCW328-27-037328-27-038328-27-039


SBC-10 Series Clutch/Brakes: For Airport Baggage Handling Conveyor Diverters

Bore SizeVoltageRotation1 Stop2 Stops4 Stops
1.50″24 VDCCW320-17-010320-17-011320-17-012
1.50″24 VDCCCW320-27-010320-27-011320-27-012
1.50″115 VACCW320-12-001320-12-002320-12-003
1.50″115 VACCCW320-22-001320-22-002320-22-003
1.75″24 VDCCW320-17-016
1.75″24 VDCCCW320-27-016
1.75″115 VACCW320-12-007320-12-008
1.75″115 VACCCW320-22-007320-22-014

WSC Series: Wrap Spring Clutches

ModelBore SizeOperationRotationInputNo Stops1 Stop2 Stops4 Stops
WSC-20.25″S (start/stop)CWHub202-10-016202-10-009202-10-020
WSC-20.25″S (start/stop)CCWHub202-20-016202-20-015202-20-017
WSC-20.25″S (start/stop)CWShaft202-30-011202-30-007202-30-015
WSC-20.25″S (start/stop)CCWShaft202-40-014202-40-008202-40-017
WSC-20.25″O (overrunning)CWHub/Shaft202-10-018
WSC-20.25″O (overrunning)CCWHub/Shaft202-20-019
WSC-40.375″S (start/stop)CWShaft204-10-001204-10-016204-10-010
WSC-40.375″S (start/stop)CCWShaft204-20-004204-20-008204-20-016
WSC-40.375″S (start/stop)CWShaft204-30-001204-30-007204-30-009
WSC-40.375″S (start/stop)CCWShaft204-40-001204-40-006204-40-012
WSC-40.375″O (overrunning)CWHub/Shaft204-10-003
WSC-40.375″O (overrunning)CCWHub/Shaft204-20-003
WSC-50.5″S (start/stop)CWHub205-10-001205-10-014205-10-017
WSC-50.5″S (start/stop)CCWHub205-20-001205-20-006205-20-011
WSC-50.5″S (start/stop)CWShaft205-30-001205-30-014205-30-016
WSC-50.5″S (start/stop)CCWShaft205-40-004205-40-016205-40-007
WSC-50.5″O (overrunning)CWHub/Shaft205-10-003
WSC-50.5″O (overrunning)CCWHub/Shaft205-20-003

Manuals and Specifications


CatalogWarner Electric Wrap Spring Clutches and Clutch/Brakes Catalog
    Out of stock

    • 302-17-001
    • Wrap Spring Clutches and Clutch/Brakes
    • Model Size: CB-2
    • Voltage: 24 VDC
    • Static Torque: 25 lb. in.
    • Max RPM: 1800
    • Bore Size: 1/4"
    • Rotation: CW

    Out of stock

    • 302-17-002
    • Wrap Spring Clutches and Clutch/Brakes
    • Model Size: CB-2
    • Voltage: 24 VDC
    • Static Torque: 25 lb. in.
    • Max RPM: 1800
    • Bore Size: 1/4"
    • Rotation: CW

    Out of stock

    • 302-17-003
    • Wrap Spring Clutches and Clutch/Brakes
    • Model Size: CB-2
    • Voltage: 24 VDC
    • Static Torque: 25 lb. in.
    • Max RPM: 1800
    • Bore Size: 1/4"
    • Rotation: CW

    Out of stock

    • 302-17-007
    • Wrap Spring Clutches and Clutch/Brakes
    • Model Size: CB-2
    • Voltage: 115 VAC
    • Static Torque: 25 lb. in.
    • Max RPM: 1800
    • Bore Size: 1/4"
    • Rotation: CW

    Out of stock

    • 302-17-008
    • Wrap Spring Clutches and Clutch/Brakes
    • Model Size: CB-2
    • Voltage: 115 VAC
    • Static Torque: 25 lb. in.
    • Max RPM: 1800
    • Bore Size: 1/4"
    • Rotation: CW

    Out of stock

    • 302-17-009
    • Wrap Spring Clutches and Clutch/Brakes
    • Model Size: CB-2
    • Voltage: 115 VAC
    • Static Torque: 25 lb. in.
    • Max RPM: 1800
    • Bore Size: 1/4"
    • Rotation: CW

    Out of stock

    • 302-27-001
    • Wrap Spring Clutches and Clutch/Brakes
    • Model Size: CB-2
    • Voltage: 24 VDC
    • Static Torque: 25 lb. in.
    • Max RPM: 1800
    • Bore Size: 1/4"
    • Rotation: CCW

    Out of stock

    • 302-27-003
    • Wrap Spring Clutches and Clutch/Brakes
    • Model Size: CB-2
    • Voltage: 24 VDC
    • Static Torque: 25 lb. in.
    • Max RPM: 1800
    • Bore Size: 1/4"
    • Rotation: CCW

    Out of stock

    • 302-27-007
    • Wrap Spring Clutches and Clutch/Brakes
    • Model Size: CB-2
    • Voltage: 115 VAC
    • Static Torque: 25 lb. in.
    • Max RPM: 1800
    • Bore Size: 1/4"
    • Rotation: CCW

    Out of stock

    • 302-27-008
    • Wrap Spring Clutches and Clutch/Brakes
    • Model Size: CB-2
    • Voltage: 115 VAC
    • Static Torque: 25 lb. in.
    • Max RPM: 1800
    • Bore Size: 1/4"
    • Rotation: CCW

    Out of stock

    • 302-27-009
    • Wrap Spring Clutches and Clutch/Brakes
    • Model Size: CB-2
    • Voltage: 115 VAC
    • Static Torque: 25 lb. in.
    • Max RPM: 1800
    • Bore Size: 1/4"
    • Rotation: CCW

    Out of stock

    • 302-27-011
    • Wrap Spring Clutches and Clutch/Brakes
    • Model Size: CB-2
    • Voltage: 24 VDC
    • Static Torque: 25 lb. in.
    • Max RPM: 1800
    • Bore Size: 1/4"
    • Rotation: CCW