What this Domae MCB does on your panel
The 2 A rated current (In) sets the continuous load it can carry without tripping — wire it for a circuit that draws no more than 2 A steady. The C curve's magnetic trip threshold of 5 to 10 times In (so 10 to 20 A) means it holds through the inrush of a small motor or a bank of LED drivers without dropping out, but still clears a hard short fast. The toggle actuator gives a clear visual on/off indication — handy for a quick line check.
The tunnel-type terminals accept 1 to 25 mm² rigid or 1 to 16 mm² flexible cable; strip 14 mm and torque to 2 N·m. It's tropicalised to class 2 per IEC 60068-1, so humidity up to 95% at 55 °C won't cause corrosion issues in a damp environment.
