Overview
The Siemens 5SU1356-7KK06 belongs to the renowned SIRIUS/SENTRON family of protective devices. This RCBO combines the functions of a Miniature Circuit Breaker (MCB) and a Residual Current Device (RCD) into a single unit, saving significant space in distribution boards.
Engineered for both residential and industrial applications, it provides robust protection against short circuits, overloads, and earth leakage currents. Its Type A classification ensures it can detect both AC and pulsating DC residual currents, making it ideal for modern electronic loads.
Key Benefit
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Space-Saving Design: Combining MCB and RCD functions into a single 1P+N pole configuration reduces the footprint in your electrical panel.
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Enhanced Safety: Rapidly disconnects the circuit during fault conditions to protect personnel from electric shock and equipment from fire hazards.
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Reliable Performance: Featuring a 6kA breaking capacity and C-Characteristic tripping, it handles standard inductive loads without nuisance tripping.
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Siemens Quality: Built to international standards, ensuring long-term durability and consistent performance in demanding environments.
Function
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Short Circuit Protection: Instantaneous tripping during high-current faults.
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Overload Protection: Protects cables and wiring from excessive heat due to current overdraw.
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Earth Leakage Detection: Detects 30mA leakage to ground, preventing dangerous “touch voltages.”
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Type A Capability: Specifically designed to handle residual currents common in modern power supplies and household appliances.
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