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 ” 1-800-526-4182 • 732-286-1800 (NJ) • FAX: 732-244-8843 • Web site: www.heyco.com 3-12 Quick Specs WILL FIT THESE CABLES PANEL DIMENSIONS PART DESCRIPTION C UL Type AWG/ Approximate A B Maximum1 NO. BODY Designation Conductors Size Mounting To Prevent Panel Black LENGTH Hole Dia. Rotation Thickness in. mm. in. mm. in. mm. in. mm. In. mm. HPN & 16/3 .16x.37 4,1x9,4 SPT-2 18/3 .15x.40 3,8x10,2 .562 14,3 .530 13,5 .125 3,2 1174 SR 5W-1 .609 15,5 16/3 .16x.41 4,1x10,4 SPT-2 18/3 .15x.40 3,8x10,2 16/3 .16x.41 4,1x10,4 18/2 .19x.35 4,8x8,9 .560* 14,2 .730* 18,5 .125 3,2 1484 SR 30-1* .672 17,1 SPT-3 18/3 .19x.39 4,8x9,9 16/2 .20x.37 5,1x9,4 16/3 .20x.43 5,1x10,9 SPT-2 18/3 .15x.40 3,0x7,6 .625 15,9 .550 14,0 .062 1,6 1160 SR 6N4-4 .578 14,7 16/3 .16x.41 4,1x10,4 Same as SR 6N4-4 above except .125 2,5 1163 SR 6P4-4 .578 14,7 16/2 .20x.37 5,1x9,4 16/3 .20x.43 5,1x10,9 14/2 .24x.42 6,1x10,7 SPT-3 .750* 19,0 .875* 22,2 .125 3,2 1504 SR 33-1* .781 19,8 14/3 .24x.51 6,1x12,9 14/2 .24x.42 6,1x10,7 SPT-3 14/3 .24x.51 6,1x12,9 .875 22,2 .840 21,3 .125 3,2 1517 SR 34-2 .813 20,7 12/2 .29x.51 7,4x12,9 12/3 .29x.65 7,4x16,5 SPT-3 12/3 .32x.65 8,1x16,5 .875 22,2 .840 21,3 .125 3,2 1497 SR 31-2 .813 20,7 10/3 300 .06x.40 1,5x10,2 .375 9,5 OHM= SPT-1 18/3 .12x.30 3,0x7,6 .375 9,5 .390 9,9 .625- 15,9- .156 4,0 1804 SR 300-1* .469 11,9 18/3 .15x.40 3,8x10,2 .415 10,5 .640* 16,3 .422 10,7 SPT-2 16/3 .16x.41 4,1x10,4 .422 10,7 .437 11,1 Same as SR 300-1 above except .100 2,5 1814 SR 302-1* .469 11,9 Standard color black. Consult Heyco for white and other colors. = Wire is not UL/CSA covered. *Use Elongated Hole. 1 Maximum Panel Thickness–Part has additional clearance. Heyco® Straight-Thru Strain Relief Bushings For Flat Cables • Sizes SR 2 to SR6 for mounting hole diameters from .375½ (9.5 mm) to .625½ (15,9 mm). • Protects the lifeline of your electric/electronic products by absorbing the forces of pull, push and twist that maybe exerted on the flexible power cord. • Securely anchors, insulates, and protects cables and panel entry points. • Standardize panel design! Fill unneeded 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. 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) B A MOUNTING HOLES A B C r= 2 A r= 2 A