For European Requirements Designed to meet those requirements wherein the Strain Relief device must remain attached to the panel during cable removal or replacement.
Captive screw cannot be removed from body during cable removal or replacement. (The screw forces the locking flap against the cable.)
Reinforcing ribs provide extra strength.
Nylon USR-400 series parts may help you comply with IEC Publication #335, CEE #10 and #11; VDE #0720, #0730, and others.
Protects your cable against forces of pull, push, twist, and flex; prevents use of larger-than-intended cord diameter.
Easy panel installation:fingertip pressure locks bushing into .875˝ (22,2 mm) holes with panel thickness up to .125˝ (3,2 mm).
No need for separate cord guard.The bushing cord exit features a bell-mouth contour, with radius 1-1/2 times the exit hole diameter.
USR-40 uses captive metal screw and USR-400/401 uses captive screw.
Material
6/6 Nylon
Certifications
Recognized File E15331 for round, flat (SPT Type Cables)
Listed under Underwriters’ Laboratories File E103540
Certified by the Canadian Standards association File LR81067
Flammability
94V-2
Temperature
257°F (125°C)–Maximum temperature on part not to exceed 221°F (105°C)
Heyco® Euro Strain Relief Bushings
Specifications
WILL FIT THESE CABLES
PANEL DIMENSIONS
PART NO.
Black
DESCRIPTION
CAD
Cross
Section
Approximate
Size
A
Mounting
Hole Dia.
B
To Prevent
Rotation
Maximum
Panel Thickness
in.
mm.
in.
mm.
in.
mm.
in.
mm.
Round or Flat
up to .400
up to 10,2
.875
22,2
.770
19,6
.125
3,2
1724
USR-400
Flat
up to .250 x .400
6,4 x 10,2
.875
22,2
.770
19,6
.125
3,2
1726
USR-401
Round or Flat
(SPT Type)
up to .400
up to 10,2
.875
22,2
.770
19,6
.125
3,2
*1730
USR-40
Standard color black. Consult Heyco for white and other colors.
Recognized File E15331 for round, flat (SPT Type Cables)
Listed under Underwriters’ Laboratories File E103540
Certified by the Canadian Standards association File LR81067
