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E4/4 system

The E4.1 predecessor for long travels and side-mounted applications

The E4/4 system is used in two areas: for extremely long travels and unsupported, side-mounted applications. This is made possible by the famous "undercut" design between the two chain links. Compressive strength and rigidity are increased, which provides for greater resistance to wet and rough weather conditions. Special roller chain links make E4/4 into a true specialist for long travel distances. The undercut design also allows excellent ESD performance. The chain links always fit tightly together; only when there is good contact between them it is possible for electricity to flow (please note: this only applies to the special conductive material igumid ESD and does not apply to the standard series included in this catalogue).

With crossbars every link, snap-open along both sides - For specially demanding applications

Series 2828

Inner height hi: 32mm
Inner widths Bi: 50 - 400mm
Bend radii R: 63 - 300mm
Pitch: 56mm

e-chain® with crossbars at every link

Series 3838

Inner height hi: 42mm
Inner widths Bi: 50 - 400mm
Bend radii R: 75 - 350mm
Pitch: 67mm

e-chain® with crossbars at every link

Series 4040

Inner height hi: 56mm
Inner widths Bi: 50 - 600mm
Bend radii R: 135 - 500mm
Pitch: 91mm

e-chain® with crossbars at every link

Series 5050

Inner height hi: 80mm
Inner widths Bi: 50 - 600mm
Bend radii R: 150 - 1000mm
Pitch: 91mm

e-chain® with crossbars at every link

With crossbars at every other link, snap-open along both sides - For almost all applications

Series 2928

Inner height hi: 32mm
Inner widths Bi: 50 - 400mm
Bend radii R: 63 - 300mm
Pitch: 56mm

e-chain® with crossbars at every other link

Series 3938

Inner height hi: 42mm
Inner widths Bi: 50 - 400mm
Bend radii R: 75 - 350mm
Pitch: 67mm

e-chain® with crossbars at every other link

Series 4140

Inner height hi: 56mm
Inner widths Bi: 50 - 600mm
Bend radii R: 135 - 500mm
Pitch: 91mm

e-chain® with crossbars at every other link

Series 5150

Inner height hi: 80mm
Inner widths Bi: 50 - 600mm
Bend radii R: 150 - 1000mm
Pitch: 91mm

e-chain® with crossbars at every other link

"Heavy Duty", with crossbars at every link, snap-open on both sides - extremely rugged! Standard for long travels!

Series 4040HD

Inner height hi: 56mm
Inner widths Bi: 50 - 600mm
Bend radii R: 135 - 400mm
Pitch: 91mm

e-chain® with crossbars at every link

Series 5050HD

Inner height hi: 80mm
Inner widths Bi: 50 - 600mm
Bend radii R: 150 - 500mm
Pitch: 91mm

e-chain® with crossbars at every link

Series 8840HD

Inner height hi: 56mm
Inner widths Bi: 75 - 462mm
Bend radii R: 135 - 400mm
Pitch: 91mm

e-chain®, crossbars every link

Series 9850HD

Inner height hi: 80mm
Inner widths Bi: 75 - 462mm
Bend radii R: 150 - 500mm
Pitch: 91mm

e-chain®, crossbars every link

e-tube, snap-open along both sides - completely closed, excellent cable protection

Series R7728

Inner height hi: 32mm
Inner widths Bi: 50 - 300mm
Bend radii R: 100 - 300mm
Pitch: 56mm

e-tube, swivel lid

Series R7838

Inner height hi: 42mm
Inner widths Bi: 50 - 300mm
Bend radii R: 125 - 350mm
Pitch: 67mm

e-tube, swivel lid

Series R8840

Inner height hi: 56mm
Inner widths Bi: 75 - 462mm
Bend radii R: 150 - 500mm
Pitch: 91mm

e-tube, swivel lid

Series R9850

Inner height hi: 80mm
Inner widths Bi: 75 - 462mm
Bend radii R: 200 - 1000mm
Pitch: 91mm

e-tube, swivel lid

Real-world examples

Bucket wheel excavator

India, in the state of Punjab, in the village of Banawala: a huge bucket-wheel excavator is standing here, extracting delivered coal piles and transporting them to the boiler via conveyor belts. It moves along a rail system over a distance of 700 metres. And the power cables follow it - inserted in a heavy-duty rol e-chain® of the 5050RHD series from igus® (5050RHD.30.300.S10.0) and thus protected from flying coal.

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