Schneider A9F74120 Acti9 iC60N MCB 1P 20 A C Curve 10kA

The Schneider Electric A9F74120 is a 1-pole miniature circuit breaker (MCB) from the Acti 9 iC60N series, rated at 20 A with a C tripping curve. It provides thermomagnetic overcurrent protection for AC and DC networks, with a breaking capacity of 6,000 A Icn at 230 V AC per EN/IEC 60898-1 and 10 kA Icu at 220-240 V AC per EN/IEC 60947-2.

Technical specifications:

• Commercial reference: A9F74120
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 iC60
• Number of poles: 1P
• Rated current [In]: 20 A
• Network type: AC / DC
• Tripping curve: C
• Protection technology: Thermomagnetic
• Breaking capacity (Icn): 6,000 A at 230 V AC 50/60 Hz (EN/IEC 60898-1)
• Breaking capacity (Icu): 10 kA at 220-240 V AC 50/60 Hz; 36 kA at 12-60 V AC 50/60 Hz (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)
• Use category: Category A (EN/IEC 60947-2)
• Mounting: DIN rail, fixed
• Dimensions (WxHxD): 18 x 85 x 78.5 mm
• Weight: 0.215 kg
• IP protection: IP20 (IEC/EN 60529)
• Operating temperature: -35 to 70°C
• Connection terminals: 1-25 mm² rigid / 1-16 mm² flexible; tightening torque 2 N.m
• Mechanical durability: 20,000 cycles; electrical durability: 10,000 cycles
• Standards: EN/IEC 60898-1, EN/IEC 60947-2

Features and benefits:

• Thermomagnetic protection unit operates across both AC and DC networks
• Trip indicator enables quick local fault identification
• Contact position indicator provides clear open/closed status at a glance
• Compatible with upper or lower comb busbar distribution blocks
• Limitation class 3 reduces let-through energy and protects downstream equipment
• Suitable for use as an isolator per EN/IEC 60898-1 and EN/IEC 60947-2

Applications:

• Final distribution boards in residential and commercial buildings
• Industrial control and automation panels with AC or DC supply
• Low-voltage electrical energy distribution systems
• DIN rail enclosures requiring compact single-pole 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 A9F74120, Schneider Electric A9F74120, iC60N 20A C curve MCB, Acti9 1-pole 20A miniature circuit breaker.