Schneider A9F74220 Acti9 iC60N MCB 2P 20 A C Curve 10kA

The Schneider Electric A9F74220 is a 2-pole, 20 A miniature circuit breaker (MCB) from the Acti 9 iC60N range, designed for electrical power distribution. It features a C tripping curve with thermomagnetic protection and a rated ultimate breaking capacity of 10 kA at 380-415 V AC, supporting both AC and DC networks.

Technical specifications:

• Commercial reference: A9F74220
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 iC60
• Product type: Miniature Circuit Breaker (MCB)
• Number of poles: 2P
• Number of protected poles: 2
• Rated current [In]: 20 A
• Tripping curve: C
• Network type: AC / DC
• Protection technology: Thermomagnetic
• Breaking capacity [Icn]: 6,000 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; 6 kA at 440 V AC; 10 kA at 125 V DC (EN/IEC 60947-2)
• Rated insulation voltage [Ui]: 500 V AC 50/60 Hz
• Rated impulse withstand voltage [Uimp]: 6 kV
• Limitation class: 3 (EN/IEC 60898-1)
• Overcurrent magnetic threshold: 8 x In +/- 20%
• Usage category: Category A (EN/IEC 60947-2)
• Mounting: DIN rail (fixed)
• Width: 36 mm
• Height: 85 mm
• Depth: 78.5 mm
• Weight: 0.25 kg
• IP protection rating: IP20 (IEC/EN 60529)
• Operating temperature: -35...70°C
• Storage temperature: -40...85°C
• Connection: Single terminal block, 1-25 mm² rigid / 1-16 mm² flexible
• Strip length: 14 mm; tightening torque: 2 N.m
• Mechanical endurance: 20,000 cycles
• Electrical endurance: 10,000 cycles

Features and benefits:

• Supports both AC and DC networks, extending installation flexibility
• Thermomagnetic protection with C curve for reliable overload and short-circuit tripping
• Limitation class 3 minimises energy let-through during fault conditions
• Built-in trip indicator provides immediate local fault signalling
• Top or bottom comb busbar distribution block compatible for fast panel assembly
• Wide operating temperature range of -35 to 70°C suits demanding installation environments

Applications:

• Final circuit protection in residential and commercial distribution boards
• Industrial control panel and machine protection
• DC circuit protection in off-grid and backup power systems
• Sub-distribution and feeder protection in building electrical installations

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 A9F74220, Schneider Electric A9F74220, iC60N 2P 20A MCB, Acti9 miniature circuit breaker 20A C curve.