BORDLINE® M

Customizable, compact, lightweight units for the onboard power supplies of rail vehicles.

BORDLINE® M

Customizable auxiliary converters for rail vehicles, designed to support onboard power supply systems across all railway input voltages. Scalable from a few kilowatts to several hundred, these converters integrate advanced semiconductor technology and a rugged mechanical design to ensure reliable operation in demanding environments. Flexible installation options — including roof, underframe, and machine room — allow seamless integration into various vehicle architectures. Available with air or water cooling, and equipped with an integrated BORDLINE®BC battery charger, they deliver maximum reliability, long service life, and high availability.

Key Features

Tailored Design

Design engineered to meet specific vehicle and application requirements.

Voltage Compatibility

Operates across all railway standards with wide input voltage range.

Galvanic Separation

Available with or without galvanic isolation for system flexibility.

Scalable Power

Power range from a few kW up to several hundred kW.

High Efficiency

Advanced semiconductor technology ensures compact size and optimal performance.

Rugged Construction

Built for durability in harsh operating conditions.

Flexible Installation

Mounting options include roof, underframe, or machine room.

Cooling Options

Air-cooled or water-cooled configurations, with optional integrated fan or pump.

Long Service Life

Designed for high operational availability and extended lifecycle.

Product Benefits

Reliable

ABB proven building blocks

Customizable

Design, other input voltages and output power levels are available on request

Integrated

Optionally integrated with ABB battery chargers

Durable

Designed for tough environments

Available Sizes

Any AC or DC railway voltages

Suitable Applications

Light Rail Vehicle

BORDLINE® M for light rail vehicles

It is a flexible platform for static converters with a wide application range for any light rail vehicle and related vehicle concepts (e.g. tramways, light-metros, streetcars, trolleybus, and monorails...), for new vehicles and fleet refurbishment. The converters are designed for input voltages of 600 Vdc or 750 Vdc and generate onboard AC and DC supply voltages, and charge low voltage batteries.

Metros

BORDLINE® M for metros

For heavy and light metros BORDLINE(R) M are designed for applications using nominal grid voltage of 750 or 1500 Vdc and generates onboard AC and DC supply voltages, thanks to integrated battery charger. The units are suitable for new vehicles as well as retrofit fleets. Featuring all standard AC (variable and fix frequency) and DC outputs and offered in all power ranges. The units are designed to be cooled by a built-in fan or natural convection according to customer requirements.

Multiple Units Trains

BORDLINE® M for multiple units trains

BORDLINE® M static converter platform for EMUs features a wide input voltage range, suitable for different country standards with traction power networks operating at all UIC catenary voltages and for multi-system solutions. The units are suitable for new vehicles and fleet refurbishment. Static converters from the BORDLINE® M series are compact, rugged units designed for either roof, underfloor or onboard mounting. They come with all standard AC (variable and fix frequency) and DC outputs and are offered in all power ranges. Available with integrated battery charger or stand-alone.

Locomotives

BORDLINE® M for locomotives

BORDLINE® M static converters for locomotives feature a wide input voltage range, making them suitable for use in different countries with different traction power networks and for diesel locomotives as well. The units are suitable for new vehicles as well as retrofit fleets. BORDLINE® M series for locomotives includes compact, rugged units, designed for machine room mounting. Featuring all standard AC (variable and fix frequency) and DC outputs and offered in all power ranges. Available with integrated battery charger or stand-alone. The units are designed to be cooled by a built-in fan or liquid cooling system according to customer requirements.

High Speed Trains

BORDLINE® M for high speed trains

BORDLINE® M static converters for high-speed trains are engineered to support demanding rail applications across diverse traction power systems. Their wide input voltage range ensures compatibility with various national networks, making them ideal for cross-border operations and versatile fleet configurations.

Related products

BORDLINE® PB

Standard SiC-based auxiliary converter platform for new vehicles and retrofit.

Battery Charger

ABB's ultra-compact and lightweight battery charger sets a new benchmark in railway applications, combining Silicon Carbide (SiC) technology with unmatched integration flexibility.

Traction Converter

Integrated high-performance traction converters combining propulsion and auxiliary power in a single, compact, and reliable unit.

Energy Storage Converter

ABB's Energy Storage Converter (ESC) solutions are built on ABB’s proven standard platform — combining robust hardware and flexible software architecture to ensure seamless integration and reliable performance.