Schneider A9F74240 Acti9 iC60N MCB 2P 40 A C Curve 10kA

The Schneider Electric A9F74240 is a 2-pole 40 A miniature circuit breaker (MCB) from the Acti 9 iC60N range, designed for power distribution in AC and DC networks. It features a C tripping curve with thermomagnetic protection and delivers an ultimate breaking capacity of 10 kA at 380-415 V AC per IEC/EN 60947-2, making it suitable for final distribution boards in residential, commercial, and light industrial installations.

Technical specifications:

• Commercial reference: A9F74240
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 iC60
• Number of poles: 2P
• Number of protected poles: 2
• Rated current [In]: 40 A
• Tripping curve: C
• Protection technology: Thermomagnetic
• Network type: AC / DC
• Network frequency: 50/60 Hz
• Breaking capacity [Icn]: 6000 A at 400 V AC 50/60 Hz per EN/IEC 60898-1
• Ultimate breaking capacity [Icu]: 10 kA at 380-415 V AC; 20 kA at 220-240 V AC; 36 kA at 12-133 V AC; 10 kA at 72-125 V DC per EN/IEC 60947-2
• Service breaking capacity [Ics]: 7.5 kA at 380-415 V AC; 15 kA at 220-240 V AC; 4.5 kA at 440 V AC per EN/IEC 60947-2
• Limitation class: 3 per EN/IEC 60898-1
• Rated insulation voltage [Ui]: 500 V AC per EN/IEC 60947-2
• Rated impulse withstand voltage [Uimp]: 6 kV
• Use category: Category A per EN/IEC 60947-2
• Overcurrent protection limiting: 8 x In +/- 20%
• Suitable for isolation: Yes per EN/IEC 60898-1 and EN/IEC 60947-2
• Mounting: DIN rail, fixed
• Comb busbar connection: Upper or lower
• Dimensions (W x H x D): 36 x 85 x 78.5 mm
• Weight: 0.25 kg
• IP protection: IP20 per IEC/EN 60529
• Overvoltage category: IV
• Pollution degree: 3 per EN/IEC 60947-2
• Operating temperature: -35 to 70°C
• Storage temperature: -40 to 85°C
• Relative humidity: 95% at 55°C
• Connection: 1-35 mm² rigid / 1-25 mm² flexible (upper or lower terminal)
• Strip length: 14 mm
• Tightening torque: 3.5 N.m
• Mechanical durability: 20,000 cycles
• Electrical durability: 10,000 cycles
• Color: White

Features and benefits:

• Thermomagnetic protection unit provides dependable overcurrent and short-circuit protection
• Compatible with both AC and DC networks, offering installation flexibility
• Certified for use as an isolating device per EN/IEC 60898-1 and EN/IEC 60947-2
• Integrated trip indicator and contact position indicator allow quick visual status checks
• Compatible with comb busbars (upper or lower) for efficient panel wiring
• Wide operating temperature range of -35 to 70°C suits demanding environments

Applications:

• Final distribution boards in residential and commercial buildings
• Industrial control panels and automation enclosures
• Protection of AC and DC circuits in switchgear assemblies
• Supplementary circuit protection in motor control centers

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

Also known as: Schneider A9F74240, Schneider Electric A9F74240, iC60N 2P 40A MCB, Acti9 40 amp C curve circuit breaker.