Introduction
Gas-Insulated Ring Main Unit up to 24 kV Part of Set Series Fully SF6-insulated RMU switchboard for secondary distribution networks, available in compact or extensible installation footprints to best suit to your application. FBX is a medium voltage switchboard up to 24 kV, 630/1250 A, 25 kA 1s, used in secondary distribution applications. It can be fi tted with the following protection devices
- Transformer protection by fuse (T1 function)
- Transformer protection by vacuum circuit-breaker (T2 function)
- Protection by O-C-O vacuum circuit-breaker (CB or CBb function).
- Features
- Benefits
Features
Features
- 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 3s (up to 25 kA 1s for 12 kV)
- Internal Arc Containment : up to 25 kA 1s
- 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 through a RCX-ITI remote terminal
Benefits
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
