Schneider A9F74440 Acti9 iC60N MCB 4P 40 A C Curve 10kA

The Schneider Electric A9F74440 is a 4-pole, 40 A Miniature Circuit Breaker (MCB) from the Acti 9 iC60N series, designed for electrical energy distribution. It features a C tripping curve and a breaking capacity of 10 kA at 380-415 V AC, suitable for both AC and DC network types.

Technical specifications:

• Commercial reference: A9F74440
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 iC60
• Short device name: iC60N
• Number of poles: 4P
• Number of protected poles: 4
• Rated current [In]: 40 A
• Tripping curve: C
• Network type: AC / DC
• Protection technology: Thermomagnetic
• Breaking capacity: 6000 A Icn at 400 V AC (EN/IEC 60898-1); 10 kA Icu at 380-415 V AC (EN/IEC 60947-2); 10 kA Icu at up to 250 V DC (EN/IEC 60947-2); 20 kA Icu at 220-240 V AC (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
• Limitation class: 3 (EN/IEC 60898-1)
• Rated insulation voltage [Ui]: 500 V AC 50/60 Hz (EN/IEC 60947-2)
• Rated impulse withstand voltage [Uimp]: 6 kV (EN/IEC 60947-2)
• Network frequency: 50/60 Hz
• Overcurrent protection limit: 8 x In +/- 20%
• Mounting: DIN rail
• Width: 72 mm
• Height: 85 mm
• Depth: 78.5 mm
• Weight: 0.5 kg
• Color: White
• IP rating: IP20 (IEC/EN 60529)
• Operating temperature: -35 to 70 °C
• Storage temperature: -40 to 85 °C
• Relative humidity: 95% at 55 °C
• Pollution degree: 3 (EN/IEC 60947-2)
• Overvoltage category: IV
• Mechanical durability: 20,000 cycles
• Electrical durability: 10,000 cycles
• Connection: Single terminal block (top or bottom), 1-35 mm² rigid / 1-25 mm² flexible
• Stripping length: 14 mm
• Tightening torque: 3.5 N.m
• Standards: IEC 60947-2, IEC 60898-1, EN 60947-2, EN 60898-1
• Warranty: 18 months

Features and benefits:

• Suitable for both AC and DC networks, providing flexibility across installation types
• Thermomagnetic protection technology for reliable overload and short-circuit protection
• Contact position indicator and trip indication for quick visual status checks
• Compatible with comb busbar distribution blocks (top or bottom connection)
• Limitation class 3 ensures high energy limitation, reducing stress on downstream equipment
• DIN rail mounting for straightforward integration into standard distribution boards

Applications:

• Final distribution boards in commercial and industrial facilities
• Protection of circuits in electrical energy distribution panels
• Industrial control cabinets requiring both AC and DC circuit protection
• Switchboards where high breaking capacity and energy limitation are required
• Applications demanding reliable protection across a wide operating temperature range

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

Also known as: Schneider A9F74440, Schneider Electric A9F74440, Acti9 iC60N 4P 40A MCB, Schneider 4-pole miniature circuit breaker 40A.