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φ	Normal Operation Force		Max. Operation Force During Emergencies	Applicable Conduit Size	Cable Min. Bending R
	1 million times	100,000 times			Cable Min. Bending R
	Endurance	Endurance			Inner Multi-twisted	Inner Single-twisted
φ1.2	Up to 29.4 N (Up to 3 kgf)	Up to 78.4 N (Up to 8 kgf)	Up to 294 N (Up to 30 kgf)	φ5	R50	R50
φ1.5	49 N (5 kgf)	127.4 N (13 kgf)	490 N (50 kgf)	φ5 (φ6)	R50	R55
φ2.0	98 N (10 kgf)	215.6 N (22 kgf)	882 N (90 kgf)	φ6 (φ7)	R60	R70
φ2.5	176 N (18 kgf)	343 N (35 kgf)	1.37 kN (140 kgf)	φ8 (φ7)	R70	R90
φ3.0	245 N (25 kgf)	490 N (50 kgf)	1.96 kN (200 kgf)	φ9 (φ10)	R90	R100
φ3.5	343 N (35 kgf)	686 N (70 kgf)	2.65 kN (270 kgf)	φ10 (φ12)	R100	R120
φ4.0	441 N (45 kgf)	882 N (90 kgf)	3.43 kN (350 kgf)	φ12 (φ13)	R120	R130

Select single-twisted or multi-twisted depending on the minimum bending radius.
Generally, multi-twisted with a small bare wire diameter has lower bending rigidity, so the no load resistance is smaller and the return performance improves.
Under less strict usage conditions, using single-twisted is more cost effective.

To improve load efficiency, the lineup includes inner coat types where the inner cable is coated with plastic, and liner types where a plastic pipe is inserted inside the outer casing.
Generally, the inner coat type is used when the application calls for high loads and a durability of 100,000 times. A sealed construction is easier to obtain than with the liner type.


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