For switchgear with ratings above 1600 amps, Air Circuit Breakers (ACB) and copper connections have to be tested for short circuit and the effects of heat rise. Rittal’s latest RPE software can supply the actual current carry capacity (Inc) of all leading air circuit breaker manufacturers, plus the CAD drawings of the ACB connections required to fit within Rittal’s Ri4Power modular switchgear systems. This software facility will reduce build time and assist the panel builder or designer to comply with the new IEC 61439 switchgear standards. Key features for users of Rittal’s RPE software include generation of copper connection drawings; production of design verification documentation; the ability to generate users own documentation and internal enclosure temperature calculation. A typical ACB connection drawing as generated in the RPE software is shown. Further details on the standards or the RPE software used in conjunction with the Ri4Power modular system are available from Rittal.
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