Series 4140, Energy chain® with crossbars every second link. 1. High torsional rigidity 2. High side-mount stability due to undercut 3. Closed and open styles can be combined 4. Hinged, snap-open, removable lids along outer radius of Energy Tube 5. Wide, rounded plastic crossbars - cable friendly 6. Removable lids along inner radius 7. Lateral glide surfaces for side-mounted operation 8. Crossbars on Energy Chains® are removable along both radii 9. KMA mounting brackets with attachment points on all sides 10. Locking or pivoting mounting brackets available, Strain relief elements can be integrated with the mounting bracket 11. Energy Chain® also available with reverse bending radii Inner widths Bi: 1.97 up to 23.62 (50 - 600 mm) Bending radii R: 5.31 up to 19.68 (135 - 500 mm) Pitch: 3.58 (91 mm) per link = 4 links/ft (11/m) When to use Series 4140 If subject to high torsional or shearing forces For side mounted applications involving long unsupported lengths For long-term operation in very moist environments When not to use Series 4140 If a quieter version is required Series 400 Series 410 Series R880 If a simple low-cost solution is required Series 14040 Series 18840