USR 400 fits the widest range of
cable sizes.
• USR 401 fits the widest range of
Romex® and other flat cable sizes.
• Captive screw forces the locking flap
against the cable.
• Captive screw meets typical European
requirements wherein the Strain
Relief device must remain attached
to the panel during cable removal
or replacement.
• Nylon USR 400 & 401 comply with:
– IEC Publication #335
– CEE #10 and # 11
• Easy installation: fingertip
pressure locks bushing into 22,2 mm diameter holes with panel
thickness up to 3,2 mm.
• Reinforcing ribs for extra strength.
• Bell mouth contour, radiused at 1.5x
the exit hole diameter, eliminates the
need for a separate cord guard.
• Protect cables against forces of pull,
push, twist, and flex