4P 10A C curve 6kA residual current circuit breaker EN61009

1) Combined protection, designed for European installationsThis 4P C10A miniature RCBO combines in a single device protection against overloads and short circuits (circuit breaker function) and protection against insulation faults / current leakage (residual current function). It reacts quickly in the event of a fault in order to cut off the power supply and limit the risks of electric shock and fire of electrical origin. It is particularly suitable for distribution boards where you want to increase the safety of an outgoing circuit: home, shop, office, small workshop, technical rooms, etc.2) 4-pole format: overall disconnection and safer maintenanceThe 4P (four-pole) configuration is ideal for circuits requiring the simultaneous opening of several conductors, typically in three-phase + neutral or in any application where you want to avoid a conductor remaining live during work. This all-in-one disconnection provides better circuit isolation during troubleshooting operations, makes lockout clearer and reduces handling errors. For networks where continuity of service and maintenance clarity matter, 4P is often preferred because it offers a higher level of intervention safety.3) 10 A rating and C curve: suitable for small outgoing circuits and moderate inrush currentsWith a rated current of 10 A, this model is more intended for light loads: lighting circuits, controls, small equipment, auxiliaries, certain low-power fans/pumps, or specific outgoing circuits whose consumption is controlled. The C tripping curve tolerates start-up inrush currents better than the B curve, which helps to avoid nuisance tripping on loads with a small start-up peak (switch-mode power supply, low-power motors, etc.), while maintaining effective protection against faults.4) Network compatibility and breaking capacity: 220–400 V AC, 50/60 Hz, 6 kAThe device is designed for AC networks from 220 to 400 V and operates at 50/60 Hz, covering the majority of common configurations in Europe (depending on the wiring scheme and the actual installation voltage). Its 6 kA breaking capacity provides an interrupting capacity suited to many sub-distribution boards and usual outgoing circuits: in the event of a short circuit, the device is designed to interrupt the fault current under conditions compliant with its rating, improving protection reliability and risk control during an incident.5) EN 61009 compliance and recommendations for use (installation, testing, choice of rating)Compliant with EN 61009 (family of devices combining circuit breaker + residual current protection), this miniature RCBO is intended for applications where dual protection is required in a compact size. For use in accordance with good practice: choose the 10 A rating only if the conductor cross-section, the load and the installation method allow it (incorrect sizing can cause repeated tripping or insufficient protection); install on a DIN rail in a board, with terminal tightening to the recommended torque; carry out a periodic test via the test button in order to verify the correct operation of the residual current part; and, for environments with high short-circuit power (industry, nearby transformer, short and large-cross-section cables), have a professional check that 6 kA is consistent with the presumed short-circuit level at the installation point.