Schneider Electric R9F23320 Leitungsschutzschalter 3P 20A B

With a 6kA breaking capacity and B-curve tripping, this 3-pole MCB delivers robust protection for branch circuits with moderate inrush, such as lighting and general-purpose outlets. Part of the Resi9 series, it combines compact DIN-rail mounting with screw terminals that accept up to 25 mm² rigid conductors, ensuring a secure and serviceable connection.

Overview

The Schneider Electric R9F23320 is a 3-pole miniature circuit breaker rated at 20 A with a B tripping characteristic. It is engineered for residential and light commercial distribution boards, protecting against overloads and short circuits. The device operates at 230/400 V AC and is compliant with IEC 60898-1, making it suitable for use in systems with a rated insulation voltage of 500 V AC and an impulse withstand of 4 kV.

What stands out

• Three-pole switching for simultaneous disconnection of all phases.
• B-curve ensures fast tripping on short circuits while allowing normal inrush currents.
• High terminal capacity: accepts rigid conductors from 1 to 25 mm² and flexible from 1 to 16 mm².
• IP20 protection and pollution degree 3 rating for reliable operation in standard enclosures.
• Wide operating temperature range from -25°C to +60°C.

Technical details

• Product type: Miniature Circuit Breaker (MCB)
• Series: Resi9
• Number of poles: 3P
• Rated current: 20 A
• Tripping characteristic: B
• Rated operational voltage: 230/400 V AC 50/60 Hz
• Rated breaking capacity: 6 kA at 230/400 V AC
• Rated insulation voltage: 500 V AC
• Rated impulse withstand voltage: 4 kV
• Mounting: DIN rail
• Connection: screw terminals
• Tightening torque: 2 N.m
• Degree of protection: IP20
• Pollution degree: 3
• Standards: IEC 60898-1

Our verdict

A dependable choice for three-phase circuit protection where space and performance matter. The R9F23320's B-curve and 6kA rating cover typical residential and light commercial loads, while the generous terminal capacity and wide temperature range simplify installation and ensure long-term reliability.