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Electrical Protection

MERSEN Fuses

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Mersen has customized innovative solutions to customers. Mersen provides innovative solutions for world industry participants to improve the performance of their products and services.

 


CARBON BRUSHES, BRUSH–HOLDERS AND SLIP RING ASSEMBLIES FOR TRACTION AND AUXILIARY MOTORS

Carbon brushes:

• Good mechanical stability

• High transient current density

• High quality tamping

• Optimised cable dimensions

• Specific design


Brush-holders and slip ring assemblies:

• Full range of materials: non-ferrous alloys, stainless steel, dielectric materials and anti-corrosion materials

• Fitted with independent pressure systems (constant force or clock spring)

• Single or multiple pockets

• Complete brush-holders and rocker rings

• Reinforced plastic injection moulding

• International standards (ISO 9001, DIN, VDE, CSA/UL)


PANTOGRAPH CONTACT STRIPS

• Plain carbon or metal impregnated, ALL LEAD FREE

• Bonded, soldered or crimped designs

• Integrated end horn designs

• Contact strips for Automatic Dropping Device (ADD) system

• Kasperowski design

• High intensity applications grades


CURRENT COLLECTION DEVICE SHOES:TRADITIONAL AND ECODESIGN

• Plain carbon or metal impregnated, ALL LEAD FREE

• Designs as cast or with end metal pieces

• Soldered or EcoDesign


WHEEL FLANGE LUBRICATING SOLUTIONS : LUBRICATING STICKS AND APPLICATORS

Lubricating sticks:

• Low friction coefficient carbon material

• Specific design for better mechanical stability

• EN16028 standard

Applicators and brackets:

• Easy lubricating stick inspection and adjustment

• Corrosion resistance

• Permanent pressure spring

• EN61373 standard


SERVICES , TRAINING AND MAINTENANCE TOOLS

• Motor Maintenance Service (On site motor inspection and diagnostic, In Situ machining)

• Training and technical seminars

• R&D expertise

• Measuring devices (CL-Profi ler, Electronic CL-DynamoMeter)

• Wide range of maintenance tools for slip ring assemblies and commutators



CURRENT COLLECTOR DEVICES

With over forty years of experience, Mersen offers the largest range of current collectors with reliable, low maintenance cost, and innovative solutions for E-buses,Tramways, and third rail Metros while integrating the

most advanced technical capabilities and smart solutions.


EARTH-RETURN UNITS OR GROUNDING

As the designer of this system, Mersen offers a wide range of solutions including radial, axial, low floor and pulse generators for all kinds of applications, current levels and IP or BS protection levels required by the applications.


FUSE BOXES AND CONNECTION BOXES

The isolated fuse boxes are moulded in one single shape of SMC. They are designed in compact sizes to house 750 and 1500VDC fuses while respecting fire and smoke,shock and vibrations and IP protection standards. The same moulded boxes can be used as junction boxes to connect cables.


ON- BOARD DISCONNECTORS AND INVERTERS

Mersen’s on board range of disconnectors and inverters offer modular designs for the confi guration (positions), number of poles, locking and voltage levels of 85, 750, 1500VDC and 25kVAC applications with control panels and manual or motorized operation.


ENCLOSURES

Mersen provides integrated enclosure solutions including on-board disconnectors or inverters, fuse protection and smart functions in very compact designs located on the roof of trains.


ENERGY MEASUREMENT

Mersen provides on-board energy measurement enclosures for Metros and Tramways composed of DC fuse protection and instantaneous volt and Amp monitoring for ecodriving training, real-time consumption calculations and measurement of energy injected back to the grid when regenerating.


SURGE ARRESTERS

Mersen provides on-board surge arresters enclosures to protect railway networks against disturbances incurred by lightning in the power lines mounted on the roof (near the pantograph).




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