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Heyco® Strain Reliefs For European Requirements |
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 Recognized under Underwriters' Laboratories File #E-103540
 Certified by Canadian Standards Association File #LR-81067
VDE Approval Report 9977-1490-4003/A1K |
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For European Strain Relief Requirements
Designed to meet those requirements wherein the strain relief device must remain attached to the chassis during cable removal or replacement.
USR Series
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Will Fit These Cables |
Chassis Dimensions |
Part No. |
UL/CSA
Description |
D Body Length |
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Cross Section |
Approximate Size |
A Mounting
Hole Dia. |
B Prevent Chassis
Thick. |
Maximum Chassis
Thickness |
Black |
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in mm |
in mm |
in mm |
in mm |
in mm |
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Round or Flat |
up to up to
.400 10,2 |
.875 22,2 |
.770 19,6 |
.125 3,2 |
1724 |
USR-400 |
1.00 25,4 |
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Flat |
.250x.400 6,4x10,2 |
1726 |
USR-401 |
Standard Color: Black |
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NEW! Captive Acetal screw cannot be removed from nylon fastener body during cable removal or replacement (The screw forces the locking flap against the cable).
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NEW! Reinforcing ribs provide extra strength.
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Nylon USR-400 series parts may help you comply with IEC Publication #335, CEE #10 and #11; VDE #0720, #0730 and others.
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Protects your cable against the straining forces of pull, push, twist and FLEX; prevents use of larger-than-intended cord diameter.
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Easy chassis installation: fingertip pressure locks strain relief bushing into 7/8"(22,2mm) holes with wall thickness up to .125"(3,2mm).
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No need for separate cord guard. The strain relief bushing cord exit features a bell-mouth contour, radiuses at 1-1/2 times the exit hole diameter.
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Molded of type 6/6 nylon. ASTM D-4066; flammability classification 94V-2; temperature index 125°C. Maximum temperature on the part shall not exceed 105°C.
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USR-400 & USR-401 International Approvals |
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