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J-20 
Wrap Spring Clutches 
DCB-4 Metric Dimensions 
(3) M4 x 0.7 
Product Function: Start-Stop 
J Optional 
* Bore 10mm H9 
DCB-4 Metric Part Numbers 
Optional 
inch B.C. 
Bore* 
10mm 
3mm Hole one side only 
3mm Hole one side only 
.500" 
.035" (Max.) 
M4 x 0.7 Set Screw 
Unit Shown is CW Rotation, CCW is Available 
Specifications 
Maximum Speed: 1200 RPM 
Static Torque: 120 in.-lb 
Max. Anti-overrun Torque: 25 in.-lb. 
Max Anti-back Torque: 80 in.-lb. 
Positioning Accuracy: ±1/2° 
Weight: 1.25 lbs. 
Part Number Description 
CW Rotation CCW Rotation Model Bore Voltage Stops 
D314-17-001 D314-27-001 DCB4 10mm 24VDC 1 
D314-17-002 D314-27-002 DCB4 10mm 24VDC 2 
D314-17-013 D314-27-003 DCB4 10mm 24VDC 4 
Sold & Serviced By: 
ELECTROMATE 
Toll Free Phone (877) SERVO98 
Toll Free Fax (877) SERV099 
www.electromate.com 
sales@electromate.com
J-21 
Wrap Spring Clutches – Replacement Parts 
DCB-4 Metric Replacement Parts 
Item Part No. Rotation or Voltage Description 
1 D748-1-0027 Retaining Ring 
2 D540-4-0077 Metric Input Hub/Anti-Overrun 
3 D266-4-0051 CW 1 Stop Collar 
D266-4-0052 CW 2 Stop Collar 
D266-4-0054 CW 4 Stop Collar 
D266-4-0081 CCW 1 Stop Collar 
D266-4-0082 CCW 2 Stop Collar 
D266-4-0084 CCW 4 Stop Collar 
4 D808-4-0066 CW Drive Spring 
D808-4-0059 CCW Drive Spring 
5 D808-4-0016 CW Brake Spring 
D808-4-0017 CCW Brake Spring 
6 D808-4-0022 CW Anti-Overrun Spring 
D808-4-0023 CCW Anti-Overrun Spring 
7 D824-4-0300 Output Assembly/Anti-Overrun 10mm 
8 D808-4-0018 CW Anti-Back Spring 
D808-4-0019 CCW Anti-Back Spring 
9 D540-4-0015 Brake Hub 
10 D686-4-0001 CW Plate Assembly 
D686-4-0002 CCW Plate Assembly 
11 D797-1-0311 FLT HD Socket Cap Screw 
12 D102-4-0005 Actuator Assembly 
13 D816-1-0003 * Actuator Limit Stop Assembly 
14 D797-1-0414 Pan HD Machine SCR Sems 
15 D275-1-0163 24VDC Coil Assembly 
16 D287-4-9002 Dust Cover (AB Spring) 
17 D540-4-0078 Metric Anti-Back Hub 
18 D679-1-0022 Spring Pin 
19 040-04991 M-4 Headless SOC HD Screw 
Sold & Serviced By: 
20 D661-1-0022 * Hex Nut 
* Optional Actuator Limit Stop Feature ELECTROMATE 
Toll Free Phone (877) SERVO98 
Toll Free Fax (877) SERV099 
www.electromate.com 
sales@electromate.com

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Inertia dynamics wrapspring_dcb4m_specsheet

  • 1. J-20 Wrap Spring Clutches DCB-4 Metric Dimensions (3) M4 x 0.7 Product Function: Start-Stop J Optional * Bore 10mm H9 DCB-4 Metric Part Numbers Optional inch B.C. Bore* 10mm 3mm Hole one side only 3mm Hole one side only .500" .035" (Max.) M4 x 0.7 Set Screw Unit Shown is CW Rotation, CCW is Available Specifications Maximum Speed: 1200 RPM Static Torque: 120 in.-lb Max. Anti-overrun Torque: 25 in.-lb. Max Anti-back Torque: 80 in.-lb. Positioning Accuracy: ±1/2° Weight: 1.25 lbs. Part Number Description CW Rotation CCW Rotation Model Bore Voltage Stops D314-17-001 D314-27-001 DCB4 10mm 24VDC 1 D314-17-002 D314-27-002 DCB4 10mm 24VDC 2 D314-17-013 D314-27-003 DCB4 10mm 24VDC 4 Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.com
  • 2. J-21 Wrap Spring Clutches – Replacement Parts DCB-4 Metric Replacement Parts Item Part No. Rotation or Voltage Description 1 D748-1-0027 Retaining Ring 2 D540-4-0077 Metric Input Hub/Anti-Overrun 3 D266-4-0051 CW 1 Stop Collar D266-4-0052 CW 2 Stop Collar D266-4-0054 CW 4 Stop Collar D266-4-0081 CCW 1 Stop Collar D266-4-0082 CCW 2 Stop Collar D266-4-0084 CCW 4 Stop Collar 4 D808-4-0066 CW Drive Spring D808-4-0059 CCW Drive Spring 5 D808-4-0016 CW Brake Spring D808-4-0017 CCW Brake Spring 6 D808-4-0022 CW Anti-Overrun Spring D808-4-0023 CCW Anti-Overrun Spring 7 D824-4-0300 Output Assembly/Anti-Overrun 10mm 8 D808-4-0018 CW Anti-Back Spring D808-4-0019 CCW Anti-Back Spring 9 D540-4-0015 Brake Hub 10 D686-4-0001 CW Plate Assembly D686-4-0002 CCW Plate Assembly 11 D797-1-0311 FLT HD Socket Cap Screw 12 D102-4-0005 Actuator Assembly 13 D816-1-0003 * Actuator Limit Stop Assembly 14 D797-1-0414 Pan HD Machine SCR Sems 15 D275-1-0163 24VDC Coil Assembly 16 D287-4-9002 Dust Cover (AB Spring) 17 D540-4-0078 Metric Anti-Back Hub 18 D679-1-0022 Spring Pin 19 040-04991 M-4 Headless SOC HD Screw Sold & Serviced By: 20 D661-1-0022 * Hex Nut * Optional Actuator Limit Stop Feature ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.com