Schneider A9F73320 Acti9 iC60N MCB 3P 20 A B Curve 10kA

The Schneider Electric A9F73320 is a 3-pole miniature circuit breaker (MCB) from the Acti 9 iC60N range, rated at 20 A with a B tripping curve. It provides thermomagnetic overcurrent protection for both AC and DC networks, with a breaking capacity of 10 kA at 380-415 V AC (IEC 60947-2).

Technical specifications:

• Commercial reference: A9F73320
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 iC60
• Device short name: iC60N
• Number of poles: 3P
• Number of protected poles: 3
• Rated current [In]: 20 A
• Network type: AC / DC
• Protection unit technology: Thermomagnetic
• Tripping curve: B
• Breaking capacity: 6000 A Icn at 400 V AC 50/60 Hz (EN/IEC 60898-1); 10 kA Icu at 380-415 V AC 50/60 Hz (EN/IEC 60947-2); 20 kA Icu at 220-240 V AC 50/60 Hz (EN/IEC 60947-2); 10 kA Icu at up to 180 V DC (EN/IEC 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
• Overcurrent protection limit: 4 x In +/- 20%
• Mounting: DIN rail
• Width: 54 mm
• Height: 85 mm
• Depth: 78.5 mm
• Weight: 0.375 kg
• IP protection rating: IP20 (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), 1-25 mm² solid / 1-16 mm² flexible
• Tightening torque: 2 N.m
• Mechanical endurance: 20,000 cycles
• Electrical endurance: 10,000 cycles
• Standards: EN/IEC 60898-1, EN/IEC 60947-2

Features and benefits:

• B curve tripping characteristic suited for circuits with low inrush currents, providing sensitive protection against overloads and short circuits
• Compatible with both AC and DC networks for flexible installation in diverse distribution systems
• Contact position indicator and trip indicator for fast visual diagnostics
• Suitable for isolation per EN/IEC 60898-1 and EN/IEC 60947-2
• Comb busbar distribution block compatible (top or bottom), simplifying panel wiring
• Color: white; designed for fixed installation on standard DIN rail

Applications:

• Final distribution boards in residential and commercial buildings
• Protection of lighting circuits and low-inrush electrical loads
• Industrial control panels and DC distribution systems
• Switchboards requiring compact 3-pole overcurrent 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 A9F73320, Schneider Electric A9F73320, Acti9 iC60N 3P 20A B curve MCB, Schneider 3-pole miniature circuit breaker 20A.