This 20A DC circuit breaker (circuit breaker) is a bipolar safety device, specially designed to protect the DC circuits of photovoltaic systems.
Main features:
- Capacity: Supports a nominal current of 20 Amps, being ideal for the protection of strings of medium solar panels.
- Bipolar function (2 poles): Interrupts both polarities (+ and -) simultaneously, ensuring complete electrical isolation of the system.
- Role: Protects equipment (inverter, batteries) against overloads and short circuits, effectively extinguishing the electric arc specific to direct current.
- Installation: It is mounted on a standard DIN rail, usually occupying the space of two modules in the electrical panel.











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