Schneider A9F73120 Acti9 iC60N MCB 1P 20 A B Curve 10kA

The Schneider Electric A9F73120 is a 1-pole miniature circuit breaker (MCB) from the Acti 9 iC60N series, rated at 20 A with a B tripping curve. Designed for electrical distribution, it offers a breaking capacity of 6000 A at 230 V AC and 10 kA at 240 V AC, with compatibility for both AC and DC networks.

Technical specifications:

• Commercial reference: A9F73120
• Manufacturer: Schneider Electric
• Series / range: Acti 9 iC60
• Product type: Miniature Circuit Breaker (MCB)
• Short device name: iC60N
• Number of poles: 1P
• Number of protected poles: 1
• Rated current: 20 A
• Tripping curve: B
• Network type: AC / DC
• Network frequency: 50/60 Hz
• Protection technology: Thermomagnetic
• Breaking capacity (Icn): 6000 A at 230 V AC 50/60 Hz (EN/IEC 60898-1)
• Breaking capacity (Icu): 10 kA at 240 V AC 50/60 Hz (EN/IEC 60947-2)
• Breaking capacity (Icu): 10 kA at 72 V DC (EN/IEC 60947-2)
• Breaking capacity (Icu): 15 kA at 12-60 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: 18 mm
• Height: 85 mm
• Depth: 78.5 mm
• Weight: 0.215 kg
• IP rating: IP20 (IEC/EN 60529)
• Operating temperature: -35 to 70 °C
• Storage temperature: -40 to 85 °C
• Relative humidity: 95% at 55 °C
• Connection: Single terminal block (top or bottom), 1-25 mm² rigid / 1-16 mm² flexible
• Tightening torque: 2 N.m
• Mechanical durability: 20000 cycles
• Electrical durability: 10000 cycles
• Standards: EN/IEC 60898-1, EN/IEC 60947-2
• Warranty: 18 months

Features and benefits:

• Suitable for both AC and DC network applications, providing versatile deployment options
• B tripping curve provides sensitive overcurrent protection suited to resistive and light inductive loads
• Limitation class 3 minimizes let-through energy, enhancing downstream equipment protection
• Contact position indicator and trip indicator enable quick local status verification
• Comb busbar compatible (top or bottom) for streamlined distribution board assembly
• Compact 18 mm width maximizes panel space efficiency on DIN rail installations

Applications:

• Final distribution boards in residential and commercial electrical installations
• Protection of lighting circuits and resistive loads requiring sensitive B curve tripping
• DC circuit protection in photovoltaic and battery-backed systems up to 72 V DC
• Industrial control panels and low-voltage electrical distribution enclosures

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

Also known as: Schneider A9F73120, Schneider Electric A9F73120, Acti9 iC60N 20A MCB, Schneider 1P 20A B curve circuit breaker.