The Schneider Electric A9N1P10CGN is a 1-pole miniature circuit breaker from the Acti9 xC60 family, rated 10 A with a C-curve trip characteristic. That 10 kA Icn breaking capacity at 240 V AC (IS/IEC 60898-1) tells you it can safely interrupt a fault current up to 10,000 A without welding its contacts or rupturing the case; the standard certifies it for final-distribution boards in residential and light commercial panels. The thermal-magnetic trip unit handles overloads (thermal bimetal) and short-circuits (solenoid) in one package — no separate relay needed.
The 18 mm width (2 modules) means you can plan fill factor: a 12-way board takes 12 of these single-pole breakers plus a main switch. The toggle actuator gives local ON/OFF indication — no auxiliary contact needed for visual status. Earth-leakage protection requires a separate block (not integrated), so if RCD protection is needed, plan a downstream or adjacent residual-current device.