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Phoenix Contact RSC/RBO Ring Lug Terminal Blocks


Phoenix Contact open-style ring screw (RSC) and ring bolt (RBO) terminal blocks are manufactured in a compact, modular design in 9mm and 13mm pitches. Developed as a direct replacement for traditional barrier blocks, RSC and RBO terminals are available in DIN rail or panel-mount versions. Barrier blocks, which utility companies have used for many years in industrial control/switchgear applications, are rigid products with fixed, pre-determined configurations.


RSC and RBO sliding links provide a common disconnect function. An optional shorting kit enables feed-through terminals to be easily converted into a shorting assembly for current transformer (CT) applications, prevalent in the power utility market.

Features and Benefits
  • 9 and 13mm pitches – Dense profile for space saving advantage over barrier strips
  • Modular design – Build terminal assemblies to meet custom requirements
  • DIN or direct to panel – Flexible mounting options for efficient cabinet management
  • Ring screw or ring bolt – Proven connection technologies for reliable terminations
  • Fixed bridging bar – Screw system for power distribution that eliminates wire jumpers