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  Schunk Smart Charging inverted pantograph SLS201 for electric vehicles
 Schunk Smart Charging inverted pantograph SLS201 for electric vehicles with dome interface
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Inverted Pantograph SLS 201

The SLS 201 inverted pantograph is integrated on the infrastructure side at a central location, for example the bus depot or within the route network. Its contacting works according to the top-down principle: The bus parks under the inverted pantograph, which moves down, connects with the counterpart on the bus roof and charges the batteries.

Charging Time: from 30 seconds to overnight charge
Charging Power: up to 600 kW
Set-Up Principle: "Top-Down"
Charging Concept: Opportunity Charging, Flash Charging and Depot Charging

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Our inverted pantograph SLS 201 is the worldwide proven standard for flexible, fast and safe charging of e-buses and battery-powered industrial vehicles. Our patented contact systems can also be adapted to other vehicles and specific customer requirements. The inverted pantograph is integrated on the infrastructure side at a central location where its contacting functions according to the top-down principle: The vehicle parks underneath the inverted pantograph, the latter drives down, connects to its compact counterpart on the vehicle roof and charges the batteries. This system guarantees a safe current transmission of up to 1,000 A via a multipole concept and maintains a defined contact sequence during contacting.

You benefit from these advantages:

  • Integration into the charging infrastructure - contacting with battery-powered vehicle according to the "top-down" principle
  • Enables different types of vehicles (single and double-decker buses) at a strategic location with a single charging current collector
  • Fast contacting in only 5 seconds
  • Multipole concept (minimum 4 poles) and mechanical contact sequence for safe charging
  • Precise compensation of parking deviations and kneeling effects (+/-5°) during the charging process without charging interruptions
  • High power transmission in a few seconds
Brochure: Battery Driven Vehicles
Brochure: Battery Driven Vehicles

Pioneering charging solutions for the mobile future

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Brochure: Charging up in Seconds
Brochure: Charging up in Seconds

Highly efficient busbars for shorter charging times

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Case Study: Schunk Smart Charging
Case Study: Schunk Smart Charging

100 Cities – 25 Countries: Schunk Smart Charging for Electric Buses is in Use Worldwide

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 Schunk pantograph zoomed in on the holding system

Drive Systems

New standards by advanced and patented drive system

Our product has an extremely high number of cycles (> 400,000 cycles). The system enables contacting within five seconds and ensures that there is no loss of contact during the loading process. The combination of spring and drive system guarantees a constant contact force over the entire working range of the pantograph during the loading process. A built-in fail-safe function automatically returns the pantograph to the rest position in the event of a power failure or fault.

Animierter Bus der seine Höhe von 4,5 Metern aufzeigt

Operating Range

The half-scissor design of the inverted pantograph makes it possible to recharge different vehicles at one bus stop or charging station

The flexible system enables reloading of conventional and double-decker buses (the maximum deflection is approx. 2.3 meters) as well as special vehicles at the same stop. The inverted pantograph also automatically compensates for vehicle movements during reloading.

Inverted pantograph contact unit rail from Schunk Transit Systems

Current Rail Interface

INVESA Interfaces. Easy adaptation to existing systems.

High power transmission and flat counter contact on the vehicle roof.

  • 4 pole system
  • Constant contact force distribution on all four busbars
  • Compensation of vehicle movements during reloading
 Inverted pantograph from Schunk Transit Systems

Cover Interface

INVESA Interfaces. Easy adaptation to existing systems.

High compensation of parking tolerances of the vehicle at the stop, high power transmission, ideal for use of special vehicles.

  • 4-pole system
  • constant contact force distribution on all four contacts
  • compensation of vehicle movements during reloading (up to 5° including kneeling)
 Inverted pantograph contact unit scissors from Schunk Transit Systems

Funnel Interface

INVESA Interfaces. Easy adaptation to existing systems.

High power transmission, compact counter-contact, counter contact can be integrated into battery system (offers space saving on vehicle roof).

  • 4 pole system
  • constant contact force distribution on all four contacts
  • Compensation of vehicle movements during recharging