Your partner for safe, fast, and compact on-board connections
Stäubli is a global supplier of advanced connection solutions dedicated to the railway industry. We support the entire value chain with easy-to-use, compact and reliable electrical and fluid connections for all on-board applications — from the traction chain to comfort systems, safety circuits and maintenance operations. With decades of expertise and a unique multi-energy portfolio, Stäubli offers one single supplier for all connection needs across rolling stock, sub-systems, and refurbishment projects.
One supplier. One vision. Complete connectivity.
- Easy & quick connections: Designed for efficiency, all Stäubli solutions ensure fast and error-free coupling — ideal for high availability fleets, time-critical maintenance teams, and assembly operations.
- Fluid, electric & combined technologies: Stäubli uniquely offers solutions for both electrical and fluid media, including multi connectors that integrate several energies in a single, ultra-compact interface.
- Compact & robust designs: Our connectors are engineered for railway constraints, vibration resistance, long life cycles, safety under harsh environments, and minimal installation footprint.
Electric applications
Stäubli supports a wide range of electrical functions across the traction chain, including:
- Traction converters and inverters
- Inter-car
- Auxiliary power systems
- Battery and charging systems
- Power distribution units and high-current cabinets
- Sensors, control, and monitoring circuits
Stäubli electrical connectors ensure high current capability, vibration-proof locking, and optimized maintainability.
At the heart of our electrical range, Stäubli’s patented MULTILAM contact technology delivers consistently low contact resistance and exceptional reliability, even under severe vibration and environmental stress.
Fluid applications
Reliable and safe connections for all on-board fluid systems:
- Cooling circuits for converters, IGBT modules and electronic equipment
- HVAC and thermal management systems
- Brake systems (pneumatic and hydraulic)
- Water, air and hydraulic circuits for multiple comfort and commodity functions
Stäubli fluid connectors are leak-proof, durable and designed for high serviceability.
Our renowned RME leak-tight quick-release couplings deliver safe, clean, and durable performance for the most demanding cooling and hydraulic railway applications.
Several energies. One connection. Zero complexity.
Stäubli’s technology integrates fluid and electrical circuits into a single compact and ergonomic interface, reducing space, weight, installation time, and assembly errors.
As rail vehicles evolve toward digitalization, hybridization and electrification, Stäubli is a key partner for:
- Battery and high-voltage energy storage systems
- Power conversion modules within the traction chain
- Car-to-bogie mixed connections
- Modular fluid and power blocks
- Cooling circuits for power electronics and batteries
- Sensor, control, and monitoring interfaces
- On-board comfort and service subsystems
- Maintenance and refurbishment upgrades
A trusted partner for today and tomorrow
Whether building next-generation high-speed trains, modernizing tramway and metro fleets or optimizing maintenance operations, Stäubli brings its deep industrial heritage and innovation mindset to every project.
Across the entire railway ecosystem, Stäubli stands as a committed and reliable partner:
- Rolling stock OEMs and sub-system manufacturers rely on our expertise to integrate compact, safe, and future-proof connection technologies into new vehicle generations.
- Rail operators, maintenance teams and approval bodies trust our durable, easy-to-service solutions to secure uptime and ensure compliance throughout the fleet lifecycle.
- Specifiers and component suppliers — from cable and harness specialists to flex and hose manufacturers — count on Stäubli’s consistent quality and engineering support to build robust, high-performance assemblies.
Together, we create long-lasting value and shape the future of railway mobility with dependable, high-quality connection solutions!
