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Energy supply systems for locks and dock facilities

For operation of key structures, such as locks and bridges, absolute reliability in difficult environmental conditions is crucial. Our energy supply systems have been proving their reliability day in, day out, for many years.
All igus products are:

  • Low-maintenance, easy to assemble and inspect
  • Weather-resistant and corrosion-free
  • Economical with a long service life

Whether for new facility construction or replacement upgrades, your igus team will support you in all phases, from acceptance to design and even installation. Our many years of experience and competence in collaborating with engineering companies and contractors will ensure your success.

Durable products for locks and docks

rol e-chain

Roller energy chains

  • Long service life due to maintenance-free tribo-polymer plain bearings in conjunction with the chain links
  • Long travels of up to 800m
  • Speeds of up to 5m/s
  • 10x longer service life whilst using less drive force
Find out more about rol e-chains
Guide trough made of aluminium

Guide troughs

  • Available in stainless steel (304)1.4301 and (316)1.4404
  • Available in aluminium for seawater resistance according to EN6060 and weight reduction
  • Available as cost-effective and corrosion-free polymer trough
Find out more about our trough product range
Floating moving end

Floating moving ends

  • As compensation in the case of long travels 
  • Small, lightweight and cost-effective
  • Compatible with i.Sense EC.P for smart condition monitoring of the e-chain
  • Can be deployed with a range of energy supplies
More information about floating moving ends
chainflex cables with DNV-GL logos and up to 36-month guarantee

Cables for motion

  • Developed for use in e-chains
  • Flexible at low temperatures, resistant to dirt, mud, oil, UV and sea water
  • Suitable for offshore use with [Link pagenr="3333" title=" "DNV-GL" approval"] 
More about chainflex cables

Successfully in use by our customers


Engineering project phase

Engineering service

From the first sketch up to the ready-to-install product - together with you
Installation of an e-chain system

Installation and maintenance

Installation of energy chains with all components, inspection, maintenance - with system guarantee
A glimpse into the e-chain test laboratory


In the 3,800m2 test laboratory with outdoor testing area and climate chamber - also customised

The terms "Apiro", "AutoChain", "CFRIP", "chainflex", "chainge", "chains for cranes", "ConProtect", "cradle-chain", "CTD", "drygear", "drylin", "dryspin", "dry-tech", "dryway", "easy chain", "e-chain", "e-chain systems", "e-ketten", "e-kettensysteme", "e-loop", "energy chain", "energy chain systems", "enjoyneering", "e-skin", "e-spool", "fixflex", "flizz", "i.Cee", "ibow", "igear", "iglidur", "igubal", "igumid", "igus", "igus improves what moves", "igus:bike", "igusGO", "igutex", "iguverse", "iguversum", "kineKIT", "kopla", "manus", "motion plastics", "motion polymers", "motionary", "plastics for longer life", "print2mold", "Rawbot", "RBTX", "readycable", "readychain", "ReBeL", "ReCyycle", "reguse", "robolink", "Rohbot", "savfe", "speedigus", "superwise", "take the dryway", "tribofilament", "triflex", "twisterchain", "when it moves, igus improves", "xirodur", "xiros" and "yes" are legally protected trademarks of the igus® GmbH/ Cologne in the Federal Republic of Germany and where applicable in some foreign countries. This is a non-exhaustive list of trademarks (e.g. pending trademark applications or registered trademarks) of igus GmbH or affiliated companies of igus in Germany, the European Union, the USA and/or other countries or jurisdictions.

igus® GmbH points out that it does not sell any products of the companies Allen Bradley, B&R, Baumüller, Beckhoff, Lahr, Control Techniques, Danaher Motion, ELAU, FAGOR, FANUC, Festo, Heidenhain, Jetter, Lenze, LinMot, LTi DRiVES, Mitsubishi, NUM,Parker, Bosch Rexroth, SEW, Siemens, Stöber and all other drive manufacturers mention on this website. The products offered by igus® are those of igus® GmbH