MCB circuit breaker

MCB circuit breaker
MCB circuit breaker
MCB circuit breaker
MCB circuit breaker
MCB circuit breaker
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Electrical characteristics
short-circuit, overload, low-voltage
Other characteristics
for electronics


The number of electrical consumers continues to grow – and along with them the load on electrical systems. In the event of overload or a short-circuit, miniature circuit breakers (MCBs) safely cut the connected circuit and thus reliably protect electrical systems and devices against damage. Miniature circuit breakers (MCBs) in the SENTRON portfolio are also easy to assemble and install. The devices feature a uniform design, and can be expanded to include many more functions thanks to an extensive range of accessories. For industries, buildings or infrastructure – our extensive portfolio has the right MCB for every application. Fire hazard: overload and short circuits More than half of all fires are triggered by electrical equipment. Without appropriate measures in place to protect against overloads or short circuits, cables can overheat and cause substantial losses: fire, system downtimes or costly damage to electrical devices and machines. International standards and installation requirements have good reason for insisting on the use of appropriate devices to automatically cut power to affected circuits or system components if a fault occurs.



Other Siemens Low-voltage – Power distribution products

Low-voltage components

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.