1094

“Stay Connected” with Strain Relief Bushings ® Heyco Original Strain Relief Bushings ® Straight-Thru for Flat Cables .375˝ (9,5 mm) to .500˝ (12,7 mm) Mounting Holes • Protects the lifeline of your electric/ electronic products by absorbing the forces of pull, push, and twist that may be exerted on the flexible power cord. • Securely anchors, insulates, and protects cable at panel entry points. • Sizes for thin .040˝ (1,0 mm) panel available: SR 4A-6 & SR 3A-4. See charts for details. • See page 4-38 for corresponding Mounting Hole Plugs which can be used to fill blank/unused Mounting Holes and thus allow for a single panel design for multiple applications. • Consult Heyco for other wire types and sizes. • See pages 4-27 & 4-28 for SR assembly tools. • For Double D Mounting Hole Punches, see page 4-30. B A WILL FIT THESE CABLES UL Type AWG/ Conductors PANEL DIMENSIONS Approximate Size in. mm. A Mounting Hole Dia. in. mm. 300 OHM 20/2 22/2 .06 x .40 1,5 x 10,2 .375 SPT-1 18/2 18/3 .12 x .30 3,0 x 7,6 .375 .390 18/2 18/3 .15 x .40 3,8 x 10,2 .415 10,5 .640 .422 10,7 16/2 16/3 .16 x .41 4,1 x 10,4 .422 10,7 .437 11,1 SPT-2 20/2 .09 x .18 2,3 x 4,6 SPT-1 18/2 .11 x .21 2,8 x 5,3 .375 9,5 9,9 .625- 15,916,3 9,5 .345 8,8 Same as SR 2P-4 above except SPT-1 18/2 .12 x .22 3,0 x 5,6 .437 11,1 .390 18/2 .12 x .22 3,0 x 5,6 .500 12,7 .445 SPT-1 18/3 .12 x .30 3,0 x 7,6 SPT-2 & HPN 18/2 .15 x .28 3,8 x 7,1 .500 12,7 .445 C SPT-1 18/3 .12 x .30 3,0 x 7,6 SPT-2 & HPN 18/2 .15 x .28 3,8 x 7,1 HPN 18/3 .15 x .34 3,8 x 8,6 SPT-2 HPN 16/2 4-17 SR 302-1** .469 11,9 .156 4,0 1804 SR 300-1 .469 11,9 consult Heyco .062 1,6 1017 SR 2P-4 .406 10,3 2617 .125 consult Heyco 1034 SR 2L-1 .406 10,3 2617 1074 SR 3A-4 .406 10,3 2488 .062 .100 .156 1,6 2,5 4,0 1077 1104 1094 SR 3P-4 SR 3W-1 SR 3L-1 .406 10,3 2488 .406 10,3 consult Heyco 11,3 .100 2,5 1130 SR 4P-4 .440 11,2 2491 11,3 .062 1,6 1120 SR 4N-4 .406 10,3 2491 .100 .156 2,5 4,0 1117 1127 SR 4K-4 SR 4L-4 .406 10,3 .406 10,3 consult Heyco .095 2,4 1114 SR 4K-1 .500 12,7 2491 .187 4,7 1124 SR 4L-1 .500 12,7 consult Heyco 9,9 2491 .460 11,7 .500- 12,7.16 x .30 4,1 x 7,6 .515 13,1 Standard color black. Consult Heyco for white and other colors. Wire is not UL/CSA approved. * Maximum Panel Thickness. Part has additional clearance. Consult Heyco for your Custom Finished Fit Panel Thickness. **Use Elongated Mounting Hole. ***To install Strain Reliefs for .040˝ (1,0 mm) Maximum Panel Thickness use Part No. 0021 (No. R 291) Hand Pliers. Material Certifications *To install strain reliefs for .040˝ (1,0 mm) maximum panel thickness, use Part #0021 (No. R 291) Hand Pliers. 1814 .500 12,7 Same as SR 4K-1 above except C 2,5 3,2 Same as SR 3A-4 above except SPT-1, SPT-2 & HPN .100 .040 1,0 *** Same as SR 4N-4 above except MOUNTING HOLE C Hole Plug BODY LENGTH in. mm. PART NO. Black 9,5 Same as SR 302-1 above except CLOCK, X & XT PART NO. DESCRIPTION PART DIM. Mounting B Finished To Prevent Fit Panel Rotation Thickness* in. mm. in. mm. Flammability Rating Temperature Range Nylon 6/6 Recognized under the Component Program of Underwriters’ Laboratories File E15331 Certified by the Canadian Standards Association File 8919 94V-2 -.04°F (-18°C) to 221°F (105°C) 1-800-526-4182 • 732-286-1800 (NJ) • FAX: 732-244-8843 • www.heyco.com