Schneider A9F74332 Acti9 iC60N MCB 3P 32 A C Curve 10kA

The Schneider Electric A9F74332 is a 3-pole miniature circuit breaker (MCB) from the Acti 9 iC60N range, rated at 32 A with a C tripping curve. Designed for electrical power distribution, it provides thermomagnetic overcurrent protection with a breaking capacity of 10 kA at 380-415 V AC, suitable for both AC and DC network types.

Technical specifications:

• Commercial reference: A9F74332
• Manufacturer: Schneider Electric
• Series / range: Acti 9 iC60
• Product type: Miniature Circuit Breaker (MCB)
• Short device name: iC60N
• Number of poles: 3P
• Number of protected poles: 3
• Rated current [In]: 32 A
• Network type: AC / DC
• Protection unit technology: Thermomagnetic
• Tripping curve: C
• Breaking capacity: 6000 A Icn at 400 V AC 50/60 Hz (EN/IEC 60898-1); 10 kA Icu at 380-415 V AC 50/60 Hz (EN/IEC 60947-2); 20 kA Icu at 220-240 V AC 50/60 Hz (EN/IEC 60947-2); 10 kA Icu at 125-180 V DC (EN/IEC 60947-2)
• Limitation class: 3 (EN/IEC 60898-1)
• Rated insulation voltage [Ui]: 500 V AC 50/60 Hz
• Rated impulse withstand voltage [Uimp]: 6 kV
• Overcurrent protection limit: 8 x In +/- 20%
• Mounting: Fixed, DIN rail
• Width: 54 mm
• Height: 85 mm
• Depth: 78.5 mm
• Weight: 0.375 kg
• IP protection rating: IP20 (IEC/EN 60529)
• Operating temperature: -35 to 70 °C
• Storage temperature: -40 to 85 °C
• Relative humidity: 95% at 55 °C
• Connection: Single terminal block (top or bottom), 1-35 mm² rigid / 1-25 mm² flexible
• Tightening torque: 3.5 N.m
• Strip length: 14 mm
• Mechanical endurance: 20,000 cycles
• Electrical endurance: 10,000 cycles
• Standards: EN/IEC 60898-1, EN/IEC 60947-2
• Warranty: 18 months

Features and benefits:

• C tripping curve suited for loads with moderate inrush currents such as lighting and distribution circuits
• Compatible with both AC and DC networks, offering installation flexibility
• Trip indicator provides local signalling for quick fault identification
• Comb busbar distribution block compatible (top or bottom), simplifying multi-circuit wiring
• Limitation class 3 reduces let-through energy, protecting downstream equipment
• Suitable for isolation per EN/IEC 60898-1 and EN/IEC 60947-2

Applications:

• Final distribution boards in residential and commercial buildings
• Electrical panel protection in light industrial installations
• Overcurrent protection for lighting, socket, and general power circuits
• DC circuit protection in photovoltaic and battery systems
• Sub-distribution boards requiring high breaking capacity at 220-240 V AC

Compliant with EN/IEC 60898-1 and EN/IEC 60947-2. Part of the Schneider Electric Acti 9 iC60 range.

Also known as: Schneider A9F74332, Schneider Electric A9F74332, iC60N 3P 32A MCB, Acti9 32A C curve circuit breaker.