Schneider Electric R9F23120 - johdonsuojakatkaisija Resi9 1P 20A B -ominaiskäyrä 6kA

In a residential distribution board, the Schneider Electric Resi9 R9F23120 miniature circuit breaker protects lighting and socket circuits from overloads and short-circuits. Its B curve ensures fast tripping on moderate inrush currents, making it ideal for general-purpose circuits. The 20 A rating suits standard domestic wiring, while the 6 kA breaking capacity handles fault currents safely. Installation on a DIN rail is quick, and the trip indicator provides clear status at a glance.

Key specifications

• Number of poles: 1P
• Rated current: 20 A
• Tripping curve: B
• Breaking capacity: 6 kA at 230 V AC
• Rated operational voltage: 230 V AC 50/60 Hz
• Mounting: DIN rail
• Electrical durability: 10,000 cycles
• Mechanical durability: 20,000 cycles
• Connection: tunnel terminals, 1–25 mm² rigid / 1–16 mm² flexible
• Degree of protection: IP20 (terminals), IP40 (enclosure)
• Operating temperature: -25 °C to +60 °C
• Standards: IEC/EN 60898-1

Why choose it

The Resi9 series is engineered for residential and small commercial installations, combining reliable protection with ease of installation. Its compact design saves space in distribution boards, while the trip indicator allows quick fault identification. The B curve is perfectly matched to typical household loads, preventing nuisance tripping while ensuring safety.

Ideal use cases

• Protection of lighting circuits in homes and apartments
• Socket outlet circuits in residential buildings
• Small commercial distribution boards
• Retrofit and new installations requiring IEC-compliant MCBs

Good to know

The R9F23120 is part of the Schneider Electric Resi9 range, known for its robust construction and compliance with international standards. It is suitable for use in environments with pollution degree 3 and tropicalisation class 2, ensuring reliable operation in varied conditions. Always ensure proper sizing and installation by a qualified electrician.