1724 HEYCO | Alldatasheet
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4-3 1-8 00-526-418 2 • 732-28 6-18 00 (N J) • F AX: 732-244-8 8 43 • w w w .heyco.com Q uick Specs “Stay Connected” with Strain Relief Bushings H eyco Snap-In U niversal Strain Relief Bushings Fit 1/2˝ Electrical Knock-out H ole
- USR 400 fits the w idest range of cable sizes .
- USR 4 01 fits the w idest range of R om ex ® and other flat cable sizes.
- Captive screw forces the locking flap against the cable.
- Captive screw m eets typical European requirem ents w herein the Strain R elief device m ust rem ain attached to the panel during cable rem oval or replacem ent.
- N ylon USR 4 00 & 4 01 com ply w ith: –IEC Publication #3 3 5 –CEE #10 and # 11
- Easy installation: fingertip pressure locks bushing into .875˝ (22,2 m m ) diam eter holes w ith panel thickness up to .125˝ (3 ,2 m m ).
- R einforcing ribs for extra strength.
- Bell m outh contour, radiused at 1.5x the exit hole diam eter, elim inates the need for a separate cord guard .
- Protect cables against forces of pull, push, tw ist, and flex.
- F or H eyco-Tite Liquid Tight R om ex ® Connectors, see page 3-16 .
- For Double D M ounting H ole Punches, see page 4 -3 0. W ILL F IT TH ESE CABLES PANEL D IM ENSIO NS PAR T NO . D ESCR IPTIO N SCR EW Cross Approxim ate A B TYPE Section Size M ounting To Prevent Panel Black H ole D ia. R otation Thickness R ound up to .3 60 up to 9,1 .875 22,2 .770 19,6 .062 1,6 1724 USR -4 00 nylon or Flat .125 3 ,2 1730 USR -4 0 steel Standard color black. Consult H eyco for w hite and other colors. M aterial N ylon 6/6 Certifications R ecognized File E153 3 1 for round and flat SPT type cables Listed under Underw riters’ Laboratories File E103 54 0 Certified by the Canadian Standards Association File 81067 Flam m ability R ating 94 V -2 Tem perature R ange -.04 °F (-18°C) to 221°F (105°C) .75 (19,1mm) 1.15 (29,2mm) .41 (10,4mm) .97 (24,6mm) MOUNTING HOLE B A .63 (16,0mm) 1.00 (25,4mm) .75 (19,1mm) 1.15 (29,2mm) .26 (6,6mm) .49 (12,4mm) .97 (24,6mm) 1726 H eyco Snap-In Rom ex Strain Relief Bushing * Fits 1/2˝ Electrical Knock-out H ole W ILL F IT TH ESE CABLES PANEL D IM ENSIO NS PAR T NO . D ESCR IPTIO N SCR EW R om ex AW G/ Approxim ate A B TYPE Type Conds Size M ounting To Prevent Panel Black H ole D ia. R otation Thickness 14 /2, 14 /3 , up to up to N M -B 12/2, 12/3 , .250 6,4 .875 22,2 .770 19,6 .062 1,6 1726 USR -4 01 nylon 10/2 x .4 00 x 10,2 .125 3 ,2 Standard color black. Consult H eyco for w hite and other colors. *For R om ex ® and other flat cables. 1724