
Energy infrastructure / AI data centers
FESE Group
Solutions From Grid to Rack
Founded in 1985, FESE brings together cable, energy and advanced infrastructure capabilities across more than 170 countries and regions.
Discover FESEThe group
Built for a world that needs more power.
FESE operates across cable networks, energy storage and batteries, and airport engineering. Today, its capabilities also serve the power, cooling and connectivity needs of AI data centers.
With a presence spanning major regions, the group connects industrial scale with specialized infrastructure expertise.

FESE / Portfolio
Products
01 / 0501 / ENERGY DELIVERY
Cable
From the grid to the facility.
Complete cable systems from the electrical room to the transmission grid — low, medium, high and extra-high voltage — with the termination kits and accessories that connect them.
- LV · 1,000 V
- MV · 15 kV & 35 kV
- HV · 138 kV & 230 kV
- EHV · 345 kV
- Termination kits & accessories
LV Power Cable
Copper and aluminum power cable for switchboards, busway feeds, UPS systems and mechanical plant inside the facility.
- Voltage class
- 1,000 V
- Conductor
- Copper / aluminum
- Insulation
- XLPE / XHHW-2 type
- Format
- Single & multi-conductor
Applications
- Switchboard & UPS feeds
- Busway tap-offs
- Mechanical & cooling plant
Technical overview
- Class B and flexible stranding options for tray, conduit and direct-burial installation.
- Flame-retardant, sunlight-resistant and low-smoke jackets selected for the installation environment.
- Cut-to-length reels and pre-terminated sets reduce on-site labor.
Cable nameplate ratings and jacket requirements are confirmed per design.
02 / 0502 / POWER DISTRIBUTION
Power Interconnect
From power shelf to compute tray.
From rack power input to busbar and compute tray, FESE's documented portfolio includes high-current cabinet connections and busbar-clip cable harnesses.
- AC power whips & rack input
- Rack busbar interfaces
- Busbar clip cable assemblies
- Server power harnesses & connectors
AC Power Whips
Pre-terminated AC input assemblies carrying facility power into high-density AI rack power shelves.
- Input
- 415 / 480 Vac, 3-phase
- Current classes
- 60A / 100A
- Plug options
- IP44 / IP67
- Lengths
- 1.5 m to ~20 m
Applications
- High-density AI racks
- Power shelf input
- Liquid-cooled AI pods
Technical overview
- Right-angle, side-exit and straight-exit options to fit rack routing.
- Heavy-gauge Type-W cable; optional high-temperature silicone jacket for flexibility.
- Junction-box input with configurable phase distribution to the power shelf.
Final rating, pinout and certification are confirmed by the selected assembly drawing.
03 / 0503 / LIQUID COOLING
Thermal
Designed for heat at scale.
Liquid-cooling hardware connects chip-level heat capture with rack and facility distribution for high-density compute.
- Cold plates & cooling modules
- Rack and cabinet manifolds
- Coolant distribution units
- Prefabricated piping
Cold Plates
Direct-to-chip cold plates that capture heat at the processor and accelerator.
- Material
- Copper
- Structure
- Micro-channel
- Fit
- CPU / GPU modules
- Connection
- Quick disconnects
Applications
- GPU accelerators
- CPUs & switches
- Custom compute boards
04 / 0504 / DATA CONNECTIVITY
Optical & Signal
The pathways for fast data.
Fiber, optical cable and high-speed interconnect products link equipment across the AI campus, data hall and rack.
- Optical fiber & ribbon cable
- Pre-terminated fiber connectivity
- High-speed copper assemblies
- Server signal connectors
Optical Fiber & Cable
Fiber and optical cable for campus backbones and data-hall trunks.
- Fiber
- Single-mode / multimode
- Formats
- Loose-tube, ribbon
- Counts
- High fiber count
- Rating
- Indoor / outdoor
Applications
- Campus backbone
- Building interconnect
- Data-hall trunks
05 / 0505 / INTEGRATED SYSTEMS
AIDC Solution
The infrastructure around AI compute.
From the incoming power path to the rack, FESE brings together electrical, thermal and connectivity hardware for AI data center projects.
Grid to Facility
High-voltage cable systems and accessories bring utility power onto the campus.
- Scope
- HV cable + accessories
- Accessories
- 66–500 kV
- Delivery
- Project based
- Support
- Engineering & installation
Applications
- Utility interconnect
- Campus substation
Supply readiness
Ready for hyperscale programs.
One partner across power, cooling and connectivity, supporting AI data center builders from first design through volume delivery.
Engineer
Application engineering, drawings and custom designs matched to each rack, hall or campus architecture.
Qualify
Samples, test reports and documentation to support customer qualification programs.
Build
Group-scale manufacturing across cable, power and thermal product lines, from prototype to volume.
Deliver
Project delivery and support across more than 170 countries and regions.
FESE Group / Contact
Let's connect.
For cable, power, cooling and connectivity inquiries, reach the FESE team directly.
