RCBO, 10 kA, 4P, type AC, 30 mA, B char., In: 125 A, Un AC: 400 V RCBOs for combined short-circuit protection and anti-contact protection. An important element of the SENTRON protective devices for electrical installations, the patented RCBOs from Siemens allow combined personnel, fire and cable protection in just one device. In addition to detecting the fault currents, they also provide reliable protection against short-circuits and overloads thanks to the integrated overcurrent protective device. As a combination of residual current and miniature circuit breaker, the Siemens RCBOs are primarily characterized by: The Siemens switching devices are primarily characterized by: 1. Increased operational safety and system availability due to separate disconnection of the affected circuit. 2. Whether sinusoidal residual alternating currents or smooth residual direct currents, Siemens provides the right type for all requirements and special versions. 3. Reliable safety during installation due to standard reach-around and touch protection. 4. Clearly visible switch position indicator. 5. The data matrix code on the front of the device provides quick and easy access to information on all aspects of the RCBOs. 6. Be protected according to the standards: The RCBOs correspond to the provisions of DIN VDE. 7. Optimized technology for your safety – only from Siemens.

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