Schneider A9F74363 Acti9 iC60N MCB 3P 63 A C Curve 10kA

The Schneider Electric A9F74363 is a 3-pole 63 A miniature circuit breaker (MCB) from the Acti 9 iC60N series, designed for overcurrent and short-circuit protection in AC and DC low-voltage distribution networks. It features a C tripping curve with thermomagnetic protection technology and a breaking capacity of 10 kA Icu at 380-415 V AC per EN/IEC 60947-2, making it suitable for commercial and industrial switchgear applications.

Technical specifications:

• Commercial reference: A9F74363
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 iC60
• Product type: Miniature Circuit Breaker (MCB)
• Number of poles: 3P
• Rated current: 63 A
• Tripping curve: C
• Network type: AC / DC
• Protection technology: Thermomagnetic
• Breaking capacity (Icu): 10 kA at 380-415 V AC; 20 kA at 220-240 V AC; 10 kA at up to 180 V DC (EN/IEC 60947-2)
• Limitation class: 3
• Rated insulation voltage (Ui): 500 V AC
• Rated impulse withstand voltage (Uimp): 6 kV
• Mounting: DIN rail (fixed)
• Dimensions (WxHxD): 54 x 85 x 78.5 mm
• Weight: 0.375 kg
• IP protection: IP20 (IEC/EN 60529)
• Operating temperature: -35 to 70°C
• Connection: Single terminal block, 1-35 mm² rigid / 1-25 mm² flexible; tightening torque 3.5 N.m
• Standards: EN/IEC 60898-1, EN/IEC 60947-2

Features and benefits:

• Suitable for use as an isolating device per EN/IEC 60898-1 and EN/IEC 60947-2
• Compatible with busbar comb distribution blocks on upper or lower terminals
• Built-in trip indicator for quick local fault identification
• Mechanical endurance 20,000 cycles; electrical endurance 10,000 cycles
• Wide operating temperature range from -35 to 70°C for demanding environments
• Limitation class 3 reduces let-through energy during short-circuit events

Applications:

• Power distribution boards in commercial and industrial buildings
• Protection of outgoing circuits in low-voltage switchgear assemblies
• DC circuit protection in photovoltaic and battery systems up to 180 V DC
• Final distribution boards in residential or light commercial installations
• Industrial control panels requiring reliable overload and short-circuit protection

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

Also known as: Schneider A9F74363, Schneider Electric A9F74363, iC60N 3P 63A C-curve MCB.