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Raimo Ukkonen, Vice President of Kalmar RTGs at Cargotec, says:
“Our customers recognise safety as one of the key issues for improving their operational efficiency. Staff should be able to perform at maximum efficiency whilst enjoying a safe working environment. As a result of our thorough hazard analysis and intense product development, we raised our market-leading RTG to a whole new level of safety.″

The E-One² features safer access to the cabin, left main girder and trolley via a stairway. The stairway lighting has also been improved. The E-One²’s EE-House has also been redesigned, with extended safety distances that exceed requirements.  The new safety features comply with EN 954-1, category 3.

The E-One²’s new Fail-Safe PLC control platform is essential for semi-automation and brings enhanced functional safety improvements. The noise level is now lower due to its re-engineered power unit enclosure and a variable speed engine, which idles at a lower speed.

Safety was not the only thing to be improved in the E-One². With further enhancements that include options for a Variable Speed Generator (VSG) and Zero Emission with mains supply, the E-One² also meets the latest environmental demands whilst remaining productive and cost-effective. The E-One² provides operators with fuel savings of up to 60% compared to conventional RTGs through the use of a Variable Speed Generator, an optional hybrid package and a viscous fan system. The redesigned E-One² leads the way in gantry crane operation.

VARIABLE SPEED GENERATOR (VSG). With a Variable Speed Generator (VSG) the engine runs at a lower RPM level when idling. The system automatically optimises engine speed according to the power required, resulting in lower fuel consumption. Auxiliary loads, such as air conditioning and working lights, will be powered continuously. When compared to conventional RTGs consuming around 21 l/h and assuming an operational cycle of 4.000 h/year, CO2 emissions are reduced by 100.000kg/year.

HYBRID PACKAGE. Powered by an energy optimised VSG engine with energy storage, the E-One² is modularly designed and ready for Hybrid Package adaptation. It can be equipped with an energy optimised Variable Speed Generator set combined with an energy storage system. Fuel savings of up to 60% compared to conventional RTGs can be realised.

ZERO EMISSION. The most efficient way to decrease RTG energy consumption is to eliminate the diesel engine and provide the crane with an electrical supply. This allows all the accumulated energy to be to be reused, maximising energy efficiency. Zero Emissions RTG energy costs are roughly 20% of diesel-electric RTG energy costs, depending on the comparative costs of electricity and diesel fuel.


Note to editors:

Press information can be found on Kalmar website: www.kalmarind.com. Simply click on News Room to be taken to a list of recent press releases.

Kalmar solutions represent Cargotec’s expertise in container and heavy load handling. Cargotec improves the efficiency of cargo flows by offering handling systems and the related services for the loading and unloading of goods. Cargotec’s brands, Hiab, Kalmar and MacGregor, are global market leaders in their fields and these solutions are used on land and at sea – wherever cargo is on the move. Extensive services close to customers ensure the continuous usability of equipment.

Cargotec is the technology leader in its field, its R&D focusing on innovative solutions that take environmental considerations into account. Cargotec’s sales totalled EUR 3.4 billion in 2008 and it employs over 11,000 people. Cargotec’s class B shares are quoted on the NASDAQ OMX Helsinki.
www.cargotec.com

Kalmar Limited