FBX

Secondary GIS MV RMU Switchgear up to 24 kV 630 A

Part of SeT Series

Fully SF6 Gas-Insulated Ring Main Unit switchboard for Secondary Medium Voltage distribution networks, available in compact or extensible installation footprints to best suit to your application.

IMPORTANT: From 01.01.2026 F-gas regulation bans SF6-based MV in the EU.

SOLUTION: Go for SF6-free RM AirSeT for full compliance and easy transition.

FBX Schneider Electric Secondary GIS MV RMU Switchgear up to 24 kV 630 A

Features

Gas-Insulated Switchgear
The FBX is a fully SF6-insulated switchboard for secondary distribution networks.

In its compact version (FBX-C), it acts as a Ring Main Unit, includes up to five different functions into a single tank and can be easily integrated into a substation or wind tower mast.

In its extensible version (FBX-E), it becomes a fully modular switchboard suitable for industrial applications.

Both innovative and safe, it is insensible to environment, virtually maintenance free and very easy to install and operate.
  • SF6-insulated switchgear for secondary distribution network
  • SF6 switch-disconnector
  • Protection through fuse combination or vacuum circuit-breaker
  • Two versions : FBX-C (Compact), FBX-E (Extensible)
  • Compliant with IEC 62271-200
  • Rated Voltage: 12 / 17.5 / 24 kV
  • Bus-bar Rated Current: 630 A
  • Feeder Rated Current: 630 A
  • Rated Short Time Withstand Current : up to 21 kA 3 s (up to 25 kA 1 s for 12 kV)
  • Internal Arc Containment : up to 25 kA 1 s
  • Dimensions W x H x D in mm: 2 switch-disconnectors + circuit-breaker or fuse protection functions:
    • 1000 x 1380 x 750
  • Option : can be remotely controlled and monitored

Smart Ready Cubicle
The ideal solution to panel builders with limited investment.
Smart ready cubicles provide from standard product a future access and easy migration to smart RMU functionalities:

  • Easy, fast and secure connections, ready for future LV customization. All connections to RTU are facilitated and located on top of each function of the FBX.
  • Pre-wired cable to facilitate voltage and current connections from cable compartment to LV location.
  • Motorization capabilities for full remote control and command features
  • Simply cubicle operations and maintenance
  • Fast delivery

Contractual warranty
Period : 18 months

Benefits

  • Simple Installation & Operation
    • Very compact with small dimensions
    • Easy installation and extension with plug-in connection
    • Very clear user panel with position indicators
    • Large front cable compartment for easy access to bushings
  • Improved continuity of service
    • Continuity of service LSC2A
    • Can be remotely controlled and monitored
    • Flood proof
    • Independent from environmental conditions even in highly polluted areas
    • Maintenance free
  • Improved personnel safety
    • Internal Arc Withstand
    • Integrated interlocks for fool-proof protection
    • Padlocking available for all operations
  • Fully recyclable

Gallery

Need help?

Need help?

Get a Quote

Get a Quote

Start your sales inquiry online and an expert will connect with you.

Where to buy?

Where to buy?

Easily find the nearest Schneider Electric distributor in your location.

Help Center

Help Center

Find support resources for all your needs, in one place.

  • Products Documentation
  • Software Downloads
  • Product Substitution and Replacement
  • Help and Contact Center
  • Find our Offices
  • Get a Quote
  • Where to buy
  • Schneider Electric Community
  • Careers
  • Company Profile
  • Report a misconduct
  • Accessibility
  • Investors
  • EcoStruxure
  • Job Search
  • Blog
  • General Terms of Business
  • Privacy Policy
  • Cookie Notice
  • Terms of use
  • Change your cookie settings
  • Preference Center