Series 200 - Energy chain®, not openable Dirt-repellent contoured exterior Cable-friendly, smooth interior with modular interior separation Lateral glide surfaces for side mounted operation Large pins for long service life Double stop dog for long unsupported length Tapered insertion point for easy assembly Integrated strain relief possible Inner widths Bi: 0.98 up to 4.92 (25 - 125 mm) Bending radii R: 2.17 up to 9.84 (55 - 250 mm) Pitch: 1.81 (46 mm) per link = 7 links/ft (22/m) When to use Series 200 If snap-open accessibility along the inner or outer radius is required If integrated strain relief at the mounting point is required If modular interior separation is required If long service life is required If easy installation is required When not to use Series 200 If each link requires snap-open accessibility on both sides simultaneously System E4 Series 220 If chip protection is required Energy tubes E2, R48 If the application is very simple Easy Chain®, E 200