Heyco Products, Inc. “ T h e F i r s t N a m e i n W i r e P r o t e c t i o n ” 3-17 1-800-526-4182 • 732-286-1800 (NJ) • FAX: 732-244-8843 • Web site: www.heyco.com Quick Specs Heyco® Pigtail™ Strain Relief Bushings For Flat Cables, With Integral Nylon Spring • Protects the lifeline of your electric/ electronic products by absorbing forces of pull, push, twist, and flex. • Securely anchors, insulates, and protects cables at panel entry points. • Integral nylon spring eases the cable into a lazy bend; prevents sharp bending and assures longest cable and product life. • Not recommended for applications where the power supply cord is subject to whipping or “jump rope” type motion. • Adds reliability, longevity, and safety. Will pass CSA’s 50,000 cycle “vacuum cleaner” test (C22.2 No. 67). • Standardize panel design! Fill unused SR mounting holes with Heyco Double “D” Plugs, page 3-23. • See pages 3-24, 3-25, and 3-26 for SR hole punches and assembly tools. WILL FIT THESE CABLES PANEL DIMENSIONS PART DESCRIPTION PART DIMENSIONS UL Type AWG/ Approximate A B Maximum NO. C D Designation Conductors Size Mounting To Prevent Panel Extension Body Hole Rotation Thickness1 Black Length Length in. mm. in. mm. in. mm. in. mm. in. mm. in. mm. SPT-1 18/3 .12X.30 3,0X7,6 SPT-2 .500 12,7 .465 11,8 .062 1,6 1541 SR 4N-7 1.718 43,6 1.984 50,4 18/2 .15x.28 3,8x7,1 & HPN Standard color black. Consult Heyco for white and other colors. 1Maximum Panel Thickness–Part has additional clearance. For Round Cables, With Integral Nylon Spring Material 6/6 Nylon Certifications Recognized under the Component Program of Underwriters’ Laboratories File E15331 Certified by the Canadian Standards Association File LR8919 Flammability Rating 94V-2 Material Temperature Index 257°F (125°C)–Maximum temperature on part not to exceed 221°F (105°C) A 2 r= B A MOUNTING HOLE C D WILL FIT THESE CABLES PANEL DIMENSIONS PART NO. DESCRIPTION PART DIMENSIONS UL Type AWG/ Approximate A B Maximum C D Designation Conductors Diameter Mounting To Prevent Panel Extension Body Hole Dia. Rotation Thickness1 Black Length Length in. mm. in. mm. in. mm. in. mm. in. mm. in. mm. SV & 18/2 .250 6,4 .500 12,7 SVT 18/3 .255 6,5 .500- 12,7- .515 13,1 .450 11,4 .062 1,6 1590 SR 5N-7 1.703 43,3 1.984 50,4 HPD 18/2 .270 6,9 .500 12,7 16/2 .290 7,4 .500-12,7- .515 13,1 Same as SR 5N-7 above except .125 3,2 1593 SR 5P-7 1.703 43,3 1.984 50,4 SJ, SJO 18/2 .300 7,6 .625 15,9 .550 14,0 .062 1,6 1596 SR 6N-7 1.718 43,6 2.109 53,6 & SJT Same as SR 6N-7 above except .125 3,2 1602 SR 6P-7 1.718 43,6 2.109 53,6 SJ, SJO 16/2 .315 8,0 & SJT 18/3 .320 8,1 14/2 .350 8,9 .625 15,9 .550 14,0 .062 1,6 1599 SR 6N3-7 1.718 43,6 2.109 53,6 16/3 .355 9,0 18/4 .360 9,1 Same as SR 6N3-7 above except .125 3,2 1605 SR 6P3-7 1.718 43,6 2.109 53,6 SJT 18/4 .360 9,1 14/3 .370 9,4 18/2 .390 9,9 .750 19,0 18/3 .405 10,3 .660 16,8 .125 3,2 1611 SR 7P-7 2.156 54,9 2.598 66,0 S & ST 16/2 .405 10,3 16/3 .430 10,9 .750- 19,0- .781 19,8 Standard color black. Consult Heyco for white and other colors. 1Maximum Panel Thickness–Part has additional clearance.