Phoenix Contact RBO Series open-style, ring lug bolt terminal blocks

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The RBO Series open-style, ring lug bolt terminal blocks, from Phoenix Contact, are suitable for switchgear systems in telecommunications, HVAC and infrastructure. Conductors are connected using ring and fork-style cable lugs. Depending on the application, the terminal blocks come with rated cross-sections of 10 mm² and 35 mm². The rated voltage is 800 V, according to IEC, and 600 V, according to UL. A maximum current of 57 A is permissible with 10 mm²; a maximum current of 125 A is permissible with 35 mm². There are single and multipole flange terminal blocks for direct mounting in control boxes, which can be connected together using engagement pins. Preassembled blocks are available for easy wiring.

A bridging channel distributes potential. The RBO measuring transducer disconnect terminal blocks, for direct and standard rail mounting, are approved for a rated voltage of 800 V, according to IEC and 600 V, according to UL. The separating plate is anchored using a screw and standard screw bridges distribute potential via the bridging channel. Isolator bridge bars are also available for switchable cross connections.

For applications requiring larger cross-sections, the high-current connector from the RBO series, with a rated cross-section of 70 mm², is available. This terminal block, with a M8 bolt thread, is approved for a rated voltage of 1000 V and a maximum current of 192 A. A protective cover, which has inspection holes in it to enable checks to be made, can be, optionally, snapped on to provide contact protection.