FBX | Schneider Electric Israel

Discover the MV Product Panorama and build your network

Explore our products and MV components for your MV network with the comprehensive Panorama guide.

Discover FBX

FBX is the most compact gas-insulated ring main unit combining all MV functional units to enable the connection, supply, and protection of transformers or feeders on an open ring or radial network.

Benefits of FBX

Efficiency

• Improved continuity of service (LSC2A)• Can be remotely controlled and monitored• Flood proof• Very low sensitivity to harsh environmental conditions even in highly polluted areas• Cost and time-effective solution (SAIDI) for improving energy availability• Reduced maintenance costs with smart embedded environmental sensors
Safety and reliability

• Improved personnel safety• Internal Arc withstands• Integrated interlocks for fool-proof protection• Padlocking available for all operations• Environmentally friendly and fully recyclable• Compliant with IEC 62351, IEEE 1686• Role-Based Access Control (RBAC) and Achilles practices
Simplicity

• Simple installation and operation• Very compact with small dimensions• Easy installation and extension with plug-in connection• Large front cable compartment for easy access to bushings

Features

Facts about FBX

• SF6 switch-disconnector • Fully SF6-insulated switchboard for secondary distribution networks • Protection through fuse combination or vacuum circuit-breaker • Two versions: FBX-C (Compact), and FBX-E (Extensible) • Compact version (FBX-C), acts as a Ring Main Unit, includes up to five different functions in a single tank, and can be easily integrated into an electrical substation or wind tower mast • Extensible version (FBX-E), becomes a fully modular MV switchboard suitable for industrial applications • Compliant with IEC 62271-200 • Rated Voltage: 12 / 17.5 / 24 kV • Busbar 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 FBX applications can be found in all medium voltage secondary distribution substations Smart Ready Cubicle The ideal solution for panel builders with limited investment. Smart ready MV cubicles provide from the standard product, 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 MV cubicle operations and maintenance • Fast delivery

Applications

Industry
Buildings
Utilities

How-to videos

How to handle an FBX switchboard correctly
Fitting the HV fuses
FBX Low Voltage connection

White paper

Condition Monitoring of ring main units (RMU)

Find out how an effective asset management and capital improvement program aims to pinpoint the exact location of the distribution network needing maintenance and repair, without the guesswork.