Schneider A9F74420 Acti9 iC60N MCB 4P 20 A C Curve 10kA

The Schneider Electric A9F74420 is a 4-pole, 20 A miniature circuit breaker from the Acti 9 iC60N series, providing overload and short-circuit protection in electrical distribution systems. Its thermomagnetic protection unit operates on a C tripping curve, with a breaking capacity of 10 kA at 380-415 V AC per IEC/EN 60947-2, suitable for use on both AC and DC networks.

Technical specifications:

• Commercial reference: A9F74420
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 iC60
• Product type: Miniature circuit breaker (MCB)
• Number of poles: 4P, 4 protected poles
• Rated current [In]: 20 A
• Tripping curve: C
• Network type: AC and DC
• Protection technology: Thermomagnetic
• Breaking capacity (Icn): 6000 A at 400 V AC 50/60 Hz (EN/IEC 60898-1)
• Breaking capacity (Icu): 10 kA at 380-415 V AC; 20 kA at 220-240 V AC; 10 kA at 180-250 V DC (IEC/EN 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
• Dimensions (WxHxD): 72 x 85 x 78.5 mm
• Weight: 0.5 kg
• IP rating: IP20 (IEC/EN 60529)
• Operating temperature: -35 to 70°C
• Mounting: DIN rail
• Connection terminals: 1-25 mm² rigid / 1-16 mm² flexible, tightening torque 2 N.m
• Standards: IEC 60898-1, EN 60898-1, IEC 60947-2, EN 60947-2

Features and benefits:

• Thermomagnetic protection unit ensures reliable overload and short-circuit interruption
• C tripping curve suited to standard loads with moderate inrush currents
• Upper or lower comb busbar connection supports flexible panel wiring configurations
• Contact position indicator and trip indicator enable rapid fault identification
• Suitable for use as an isolator per EN/IEC 60898-1 and EN/IEC 60947-2

Applications:

• Final distribution boards in commercial and residential buildings
• Industrial control panels requiring 4-pole short-circuit protection
• Protection of circuits in AC and DC electrical distribution systems
• DIN rail switchgear assemblies in industrial environments

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

Also known as: Schneider A9F74420, Schneider Electric A9F74420, iC60N 4P 20A C curve MCB.