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VAHLE Inc. delivers reliable power and motion control systems for retractable stadium roofs — engineered for long travel distances, high loads and synchronized movement across North American venues.
Retractable stadium roofs allow venues to quickly adapt to weather conditions and event types — enhancing flexibility while improving the fan experience. To operate safely and consistently, these large-span structures require dependable power supply and control-ready data communication, engineered for long travel distances, high loads and repeated motion cycles.
VAHLE Inc. provides integrated electrification solutions designed for safe, repeatable roof movement, supporting stable energy transmission and reliable system operation over the full travel path. Our mobile conductor bar systems and real-time positioning solutions help ensure smooth, safe roof operation with minimal downtime. Components are built to withstand harsh outdoor environments, while service-friendly designs simplify maintenance.
VAHLE Inc. supports customers across North America with engineering expertise and lifecycle service options — including product training, routine maintenance and inspections— helping ensure retractable roof systems operate reliably for years to come.
Your Vision. Our Solution.
The KBH is a contact-protected safety conductor bar for almost all applications in the low to medium power range (up to 200 A). It is a robust and inexpensive power supply that is also easy to install.
The MKH is a contact-protected multi-pole (max. 10 poles) safety conductor bar for almost all applications in the low to medium power range (up to 200 A). It has been specially developed to meet the requirements of crane systems and transfer cars with additional functional requirements (e.g. signal transmission).
The LSV | LSVG is a contact-protected, multi-pole (max. 11-pole) and very robust safety conductor bar for almost all applications in the small to medium power range up to 300 A. Its extreme robustness predestines the LSV | LSVG for use in the harshest environmental conditions.
With the SMGX, the tried-and-tested SMGM system has been adapted for outdoor use. It is based on the functional principle of the SMGM, but has particularly robust mechanical components and also guarantees significantly higher tolerances. The shielded slotted waveguide enables high transmission rates and prevents unwanted interference signals from inside or outside.
VAHLE has a wide range of spring cable reels in its portfolio. They are mechanically driven by steel spiral leaf springs, which makes the systems particularly durable.
The lightweight types U15, U25 and U35 are particularly easy to maintain thanks to their open design. Thanks to different conductor materials, they are also particularly flexible to install.
Thanks to their high wear resistance and resistance to acids, the U20 and U30 conductor rails are reliable energy suppliers even in harsh environments and with complex and curved track layouts.
