It combines a 25 A thermal-magnetic MCB (curve C) with integrated 100 mA earth-leakage protection, all in a 1P+N form factor with neutral on the left. Rated 25 A at 50 °C, so no derating headache in a warm enclosure as long as ambient stays under that. The 100 mA earth-leakage threshold is a common choice for circuits supplying equipment where nuisance tripping from a 30 mA device would be a problem — think fixed machinery, lighting banks, or sub-distribution where personnel contact is unlikely but ground-fault protection is still code-required.
Panel integration
The tunnel-type terminals accept 1 to 16 mm² rigid cable (1 to 10 mm² flexible with or without ferrule), and the tightening torque is 2 N·m. Wire strip length is 13 mm. IP20 rated — fine for a distribution board or enclosed panel, not for wet environments. Padlockable with a Ø4 mm padlock for lockout/tagout.
Rated for 5,000 electrical cycles and 20,000 mechanical cycles. That is a standard duty class for a distribution RCBO — not a heavy-switching device, but adequate for its role as a protective device that operates only under fault or manual isolation. The toggle provides ON/OFF indication and a contact position indicator confirms the state of the main contacts.