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

Model Bore Size Voltage Rotation 1 Stop 2 Stops 4 Stops
CB-2 0.25″ 24 VDC CW 302-17-001 302-17-002 302-17-003
CB-2 0.25″ 24 VDC CCW 302-27-001 302-27-011 302-27-003
CB-2 0.25″ 115 VAC CW 302-17-007 302-17-008 302-17-009
CB-2 0.25″ 115 VAC CCW 302-27-007 302-27-008 302-27-009
CB-4 0.375″ 24 VDC CW 304-17-001 304-17-011 304-17-007
CB-4 0.375″ 24 VDC CCW 304-27-001 304-27-007 304-27-026
CB-4 0.375″ 115 VAC CW 304-17-003 304-17-008 304-17-018
CB-4 0.375″ 115 VAC CCW 304-27-003 304-27-015 304-27-025
CB-5 0.5″ 24VDC CW 305-17-001 305-17-002 305-17-003
CB-5 0.5″ 24VDC CCW 305-27-001 305-27-002 305-27-003
CB-5 0.5″ 115 VAC CW 305-17-007 305-17-008 305-17-009
CB-5 0.5″ 115 VAC CCW 305-27-007 305-27-008 305-27-009
CB-6 0.75″ 24 VDC CW 306-17-051 306-17-074 306-17-162
CB-6 0.75″ 24 VDC CCW 306-27-029 306-27-046 306-27-134
CB-6 0.75″ 115 VAC CW 306-17-053 306-17-060 306-17-073
CB-6 0.75″ 115 VAC CCW 306-27-031 306-27-039 306-27-045
CB-6 1.0″ 24 VDC CW 306-17-057 306-17-061 306-17-031
CB-6 1.0″ 24 VDC CCW 306-27-032 306-27-147 306-27-150
CB-6 1.0″ 115 VAC CW 306-17-059 306-17-062 306-17-075
CB-6 1.0″ 115 VAC CCW 306-27-034 306-27-044 306-27-037
CB-8 1.25″ 24 VDC CW 308-17-101 308-17-102 308-17-103
CB-8 1.25″ 24 VDC CCW 308-27-101 308-27-102 308-27-103
CB-8 1.25″ 115 VAC CW 308-17-107 308-17-108 308-17-109
CB-8 1.25″ 115 VAC CCW 308-27-107 308-27-108 308-27-109
CB-8 1.5″ 24 VDC CW 308-17-119 308-17-120 308-17-121
CB-8 1.5″ 24 VDC CCW 308-27-119 308-27-120 308-27-121
CB-8 1.5″ 115 VAC CW 308-17-125 308-17-126 308-17-127
CB-8 1.5″ 115 VAC CCW 308-27-125 308-27-126 308-27-127

SBC Series Clutch/Brakes

Model Bore Size Voltage Rotation 1 Stop 2 Stops 4 Stops
SCB-5 0.5″ 24 VDC CW 325-17-001 325-17-002 325-17-003
SCB-5 0.5″ 24 VDC CCW 325-27-001 325-27-002 325-27-003
SCB-5 0.5″ 115 VAC CW 325-17-004 325-17-005 325-17-006
SCB-5 0.5″ 115 VAC CCW 325-27-004 325-27-005 325-27-006
SCB-6 0.75″ 24 VDC CW 326-17-007 326-17-008 326-17-009
SCB-6 0.75″ 24 VDC CCW 326-27-007 326-27-008 326-27-009
SCB-6 0.75″ 115 VAC CW 326-17-019 326-17-020 326-17-021
SCB-6 0.75″ 115 VAC CCW 326-27-019 326-27-020 326-27-021
SCB-6 1.0″ 24 VDC CW 326-17-010 326-17-011 326-17-012
SCB-6 1.0″ 24 VDC CCW 326-27-010 326-27-011 326-27-012
SCB-6 1.0″ 115 VAC CW 326-17-022 326-17-023 326-17-024
SCB-6 1.0″ 115 VAC CCW 326-27-022 326-27-023 326-27-024
SCB-8 1.25″ 24 VDC CW 328-17-019 328-17-020 328-17-021
SCB-8 1.25″ 24 VDC CCW 328-27-019 328-27-020 328-27-021
SCB-8 1.25″ 115 VAC CW 328-17-043 328-17-044 328-17-045
SCB-8 1.25″ 115 VAC CCW 328-27-043 328-27-044 328-27-045
SCB-8 1.5″ 24 VDC CW 328-17-013 328-17-014 328-17-015
SCB-8 1.5″ 24 VDC CCW 328-27-013 328-27-014 328-27-015
SCB-8 1.5″ 115 VAC CW 328-17-037 328-17-038 328-17-039
SCB-8 1.5″ 115 VAC CCW 328-27-037 328-27-038 328-27-039


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

Bore Size Voltage Rotation 1 Stop 2 Stops 4 Stops
1.50″ 24 VDC CW 320-17-010 320-17-011 320-17-012
1.50″ 24 VDC CCW 320-27-010 320-27-011 320-27-012
1.50″ 115 VAC CW 320-12-001 320-12-002 320-12-003
1.50″ 115 VAC CCW 320-22-001 320-22-002 320-22-003
1.75″ 24 VDC CW 320-17-016
1.75″ 24 VDC CCW 320-27-016
1.75″ 115 VAC CW 320-12-007 320-12-008
1.75″ 115 VAC CCW 320-22-007 320-22-014

WSC Series: Wrap Spring Clutches

Model Bore Size Operation Rotation Input No Stops 1 Stop 2 Stops 4 Stops
WSC-2 0.25″ S (start/stop) CW Hub 202-10-016 202-10-009 202-10-020
WSC-2 0.25″ S (start/stop) CCW Hub 202-20-016 202-20-015 202-20-017
WSC-2 0.25″ S (start/stop) CW Shaft 202-30-011 202-30-007 202-30-015
WSC-2 0.25″ S (start/stop) CCW Shaft 202-40-014 202-40-008 202-40-017
WSC-2 0.25″ O (overrunning) CW Hub/Shaft 202-10-018
WSC-2 0.25″ O (overrunning) CCW Hub/Shaft 202-20-019
WSC-4 0.375″ S (start/stop) CW Shaft 204-10-001 204-10-016 204-10-010
WSC-4 0.375″ S (start/stop) CCW Shaft 204-20-004 204-20-008 204-20-016
WSC-4 0.375″ S (start/stop) CW Shaft 204-30-001 204-30-007 204-30-009
WSC-4 0.375″ S (start/stop) CCW Shaft 204-40-001 204-40-006 204-40-012
WSC-4 0.375″ O (overrunning) CW Hub/Shaft 204-10-003
WSC-4 0.375″ O (overrunning) CCW Hub/Shaft 204-20-003
WSC-5 0.5″ S (start/stop) CW Hub 205-10-001 205-10-014 205-10-017
WSC-5 0.5″ S (start/stop) CCW Hub 205-20-001 205-20-006 205-20-011
WSC-5 0.5″ S (start/stop) CW Shaft 205-30-001 205-30-014 205-30-016
WSC-5 0.5″ S (start/stop) CCW Shaft 205-40-004 205-40-016 205-40-007
WSC-5 0.5″ O (overrunning) CW Hub/Shaft 205-10-003
WSC-5 0.5″ O (overrunning) CCW Hub/Shaft 205-20-003

Manuals and Specifications


Catalog Warner 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

$1,193.61

  • 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

$1,193.61

  • 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

$1,193.61

  • 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

$1,193.61

  • 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

$1,193.61

  • 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

$1,193.61

  • 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

$1,210.70

  • 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

$1,193.61

  • 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