Transit & Underground

The Group supports urban transit system operators with a wide array of services and products.

Current Collector Devices (CCD)

Current collector devices are used by metro systems to collect the energy from a third rail to power the Electrical Multiple Unit installed in the trailers.

3rd rail current collector system

Our comprehensive range of CCDs for metro systems is designed for all kind of configurations:

Regular steel wheel metro trains
Pneumatic wheel metro trains
Monorail train
Driverless metro trains

3rd rail current collector shoe (CCD shoe)

Mersen provides third rail shoes manufactured from carbon and metalized carbon materials:

Specific designs (with metal end pieces, soldered, cast, EcoDesign)
Plain carbon and metal impregnated grades
Redesign, engineering, standardization

Mersen's EcoDesign 3rd rail shoe was awarded the Innovation Trophy at the SIFER 2013 railway show.

Pantograph strip

Mersen offers a variety of carbon and metalized carbon collector strips for overhead pantograph applications. Our extensive material grade selection and carbon and metal carrier designs include:

Bonded / Soldered / Kasperowski high current / ADD system
Integral end horn
Plain carbon grade / Metal impregnated grade
Innovative grades for High Intensity applications

Our products are EN50405 (CENELEC) or DIN6701-2 certified.

The Group also offers advice, technical services and solutions on Redesign, engineering, and standardization.

Traction

Carbon brushes and brush-holders

Mersen’s carbon brushes are used all over the world. We supply brush-holders for traction motors, auxiliary motors, generators and earth return current units etc. The Group also offers re-engineered design, repair and refurbishment consulting and solutions.

Earth Return Current Unit (ERCU)

Mersen devices are used to protect train bearings, offering low contact resistance and allowing for permanent contact. The Group also offers specific designs and selected materials to meet client needs.