Schneider A9F74432 Acti9 iC60N MCB 4P 32 A C Curve 10kA

The Schneider Electric A9F74432 is a 4-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 overload and short-circuit protection with a breaking capacity of 10 kA at 380-415 V AC, suitable for both AC and DC networks.

Technical specifications:

• Commercial reference: A9F74432
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 iC60
• Short device name: iC60N
• Number of poles: 4P
• Number of protected poles: 4
• Rated current: 32 A
• Tripping curve: C
• Network type: AC / DC
• Protection unit technology: Thermomagnetic
• Breaking capacity: 6000 A Icn at 400 V AC per EN/IEC 60898-1; 10 kA Icu at 380-415 V AC per EN/IEC 60947-2; 10 kA Icu at ≤250 V DC per EN/IEC 60947-2; 20 kA Icu at 220-240 V AC per EN/IEC 60947-2
• Service breaking capacity (Ics): 7.5 kA (75%) at 380-415 V AC; 15 kA (75%) at 220-240 V AC per EN/IEC 60947-2
• Limitation class: 3 per EN/IEC 60898-1
• Rated insulation voltage: 500 V AC 50/60 Hz
• Rated impulse withstand voltage: 6 kV
• Overcurrent protection limit: 8 x In +/- 20%
• Mounting: Fixed, DIN rail
• Dimensions (WxHxD): 72 x 85 x 78.5 mm
• Weight: 0.5 kg
• IP rating: IP20 per IEC/EN 60529
• Operating temperature: -35 to 70 °C
• Storage temperature: -40 to 85 °C
• Relative humidity: 95% at 55 °C
• Overvoltage category: IV
• Connection: Single terminal block (top or bottom), 1-35 mm² rigid / 1-25 mm² flexible
• Tightening torque: 3.5 N.m
• Standards: EN/IEC 60898-1, EN/IEC 60947-2
• Mechanical durability: 20,000 cycles
• Electrical durability: 10,000 cycles
• Warranty: 18 months

Features and benefits:

• C tripping curve suited for loads with moderate inrush currents such as resistive and inductive equipment
• Limitation class 3 reduces let-through energy, minimizing damage to downstream equipment during faults
• Suitable for isolation per EN/IEC 60898-1 and EN/IEC 60947-2, enabling safe maintenance switching
• Compatible with comb busbar distribution blocks on top or bottom connections for flexible panel wiring
• Trip indication via built-in trip indicator for quick fault identification
• Operates on both AC and DC networks, providing installation flexibility

Applications:

• Final distribution boards in commercial and industrial buildings
• Protection of circuits in electrical distribution panels requiring high breaking capacity
• Industrial control panels with mixed AC and DC supply architectures
• Protection of cables and equipment in low-voltage power distribution systems

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

Also known as: Schneider A9F74432, Schneider Electric A9F74432, iC60N 4P 32A MCB, Acti9 miniature circuit breaker 32A.