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Rail back-up

Rail backup

For over 60 years, Saft has specialized in designing, manufacturing, and supplying high-tech railway batteries. Today, we equip 75% of the world's metros and over 100 of the world's rail networks.

75% of world’s metros  

>50% on board the world’s high-speed trains  

5-10 years without maintenance

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Enhancing passenger safety with Saft’s rail backup batteries

Every day, millions of people rely on public transportation to commute to work, return home, or travel to various destinations. In the world of rail transportation, ensuring passenger safety is paramount.

Saft’s rail backup batteries provide reliable and efficient power solutions for trains and metros, guaranteeing uninterrupted operation of critical systems during emergencies. Our batteries are designed to support braking systems, communication networks, and other essential functions, ensuring a safe and smooth journey for passengers. With Saft’s advanced battery technology, you can trust that your rail systems will remain operational even in the most challenging conditions. 

We're committed to making rail travel safer and more comfortable for everyone. That's why we're working hard to provide rail operators with safer and more reliable batteries.

Ignacio Quiles
IMI Sales & Marketing Director
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Ignacio Quiles

Meet our advanced batteries for rail backup applications

Revolutionize your business with advanced battery technology from Saft!

SRM+, ensuring long-term total reliability in high energy applications

Nickel
Ni-Cd
SRM+, ensuring long-term total reliability in high energy applications
  • Capacity range from 40 to 360 Ah
  • Wide operating temperature range from - 20°C to + 50°C
  • Proven resistance to shocks and vibrations
  • Fast recharge – 90% capacity achieved in 5 hours for rapid return to service
  • Lower water consumption for optimized maintenance intervals
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SRA, outstanding reliability for auxiliary backup in extreme temperatures

Nickel
Ni-Cd
SRA, outstanding reliability for auxiliary backup in extreme temperatures
  • Ni-Cd reliable single cell construction
  • Predictable service life of over 15 years at + 25°C (+ 77°F)
  • Resistant to the shocks and vibrations encountered in railway applications
  • Three versions:
  • SRA standard for use between – 30˚C to + 50˚C
  • SRA LT (low temperature), which delivers a great capacity at low temperatures of - 50˚C to + 40˚C; with capacity ranges from with capacity ranges from 75 to 375 Ah
  • SRA HT (high temperature), which offers superior charge efficiency at high temperatures up to + 65˚C, with capacity ranges from 70 to 350 Ah
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MSX, providing high power capability and cycling performance

Nickel
Ni-Cd
MSX, providing high power capability and cycling performance
  • Proven Ni-Cd Sintered/PBE technology that last more than 15 years
  • High power capability and high cycling performance
  • Operate in a wide temperature range of -30°C to +50°C
  • Wide range of capacities from 70 Ah to 260 Ah
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MRX, delivering high-energy and power performance

Nickel
Ni-Cd
MRX, delivering high-energy and power performance
  • Maximum performance reliability and low TCO
  • Low-maintenance with a 2-year interval between water top-up
  • Compact, lightweight block battery package for a major size and volume advantages (30% lighter than standard Ni-Cd batteries)
  • Does not suffer from “sudden death” which can affect lead acid batteries
  • Resistant to extreme temperatures of – 50°C to + 50°C
  • Wide range capacities from 70 Ah to 520 Ah
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SRX, delivering high-power performance for railways

Nickel
Ni-Cd
SRX, delivering high-power performance for railways
  • Operating temperature rangefrom - 20°C to + 50°C
  • Capacity range from 22 Ah to 220 Ah (plastic) and 73 Ah to 375 Ah (steel)
  • Low-maintenance: 2-year intervals between topping-up with water
  • Optional water filling vents allow for quick and accurate topping-up to minimize maintenance costs
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SRM-F3, providing reliable performance year after year

Nickel
Ni-Cd
SRM-F3, providing reliable performance year after year
  • Capacity range: 80-250 Ah
  • Wide operating temperature range from - 30°C to + 50°C
  • Robust, compact and lightweight construction for long life and reliability
  • Transparent, flame-retardant polysulfone containers
  • Topping-up with water only required at two-year intervals under normal conditions
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Find out how Saft can meet your rail backup needs.