Schneider R9F32320 | Miniature circuit breaker (MCB), Resi9, 3P, 20A, C curve, 4500A (IEC/EN 60898-1)

Schneider R9F32320 | Miniature circuit breaker (MCB), Resi9, 3P, 20A, C curve, 4500A (IEC/EN 60898-1)

Technical Specifications R9F32320

• Part Number: R9F32320

• Series: Resi9

• Device Type: Miniature Circuit Breaker (MCB)

• Number of Poles: 3P (three poles)

• Rated Current (In): 20 A

• Tripping Curve: C Curve (5 to 10 times the rated current)

• Breaking Capacity: 4500 A (according to IEC/EN 60898-1)

• Rated Operational Voltage: 400 V AC

• Frequency: 50/60 Hz

• Standard Compliance: IEC/EN 60898-1

• Mounting: DIN rail

• Terminal Capacity: Up to 25 mm² rigid cable

• Connection: Top or bottom

• IP Degree of Protection: IP20 (front face)

Key Features

• Three-Pole Protection: Designed to protect all three phases in a three-phase system simultaneously.

• C Curve Tripping: Ideal for circuits with moderate inrush currents such as motors, fluorescent lighting, and general-purpose sockets.

• 20A Rating: Suitable for small to medium loads, like sub-circuits in distribution boards, HVAC units, and lighting banks.

• 4500A Breaking Capacity: Ensures protection against short circuits up to 4.5 kA, suitable for most residential and small commercial environments.

• High-Quality Design: Manufactured with durable materials for long service life and consistent performance.

• Easy Installation: DIN rail mounting and bi-directional connection simplify the setup and integration process.

• Safe Operation: Equipped with IP20 protection at the front face to prevent accidental contact.

Applications

The Schneider R9F32320 MCB is suitable for a variety of residential and light commercial installations:

Residential Use

• Sub-main protection in household distribution boards

• Protection for air conditioning systems, water heaters, and lighting circuits

• Safe isolation and tripping during fault conditions

Commercial & Light Industrial Use

• Used in small workshops, retail units, and offices for equipment and sub-distribution protection

• Protection for motor starters, control panels, and HVAC systems with moderate start-up currents

Renewable & Smart Installations

• Compatible with solar inverter systems, smart homes, and modular protection boards