Schneider A9F83120 Miniature Circuit Breaker (MCB), Acti9 iC60H, 1P, 20A, B curv

The Schneider Electric A9F83120 is a 1-pole miniature circuit breaker (MCB) from the Acti 9 iC60H range, rated at 20A with a B tripping curve. Designed for AC and DC network distribution, it delivers a breaking capacity of 10,000A at 230V AC per EN/IEC 60898-1 and up to 15kA at 220-240V AC per EN/IEC 60947-2.

Technical specifications:

• Commercial reference: A9F83120
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 iC60
• Number of poles: 1P
• Number of protected poles: 1
• Rated current [In]: 20A
• Network type: AC / DC
• Trip unit technology: Thermomagnetic
• Tripping curve: B
• Breaking capacity [Icn]: 10,000A at 230V AC 50/60 Hz per EN/IEC 60898-1
• Ultimate breaking capacity [Icu]: 15kA at 220-240V AC; 42kA at 12-60V AC; 30kA at 100-133V AC; 15kA at up to 72V DC; 20kA at 12-60V DC per EN/IEC 60947-2
• Service breaking capacity [Ics]: 7,500A (75%) at 230V AC per EN/IEC 60898-1
• Limitation class: 3 per EN/IEC 60898-1
• Rated insulation voltage [Ui]: 500V AC 50/60 Hz per EN/IEC 60947-2
• Rated impulse withstand voltage [Uimp]: 6kV per EN/IEC 60947-2
• Overcurrent protection limit: 4 x In +/- 20%
• Mounting: Fixed, DIN rail
• Width: 18mm (2 x 9mm rows)
• Height: 85mm
• Depth: 78.5mm
• Weight: 0.215kg
• IP rating: IP20 per IEC/EN 60529
• Operating temperature: -35 to 70°C
• Storage temperature: -40 to 85°C
• Relative humidity: 95% at 55°C
• Pollution degree: 3 per EN/IEC 60947-2
• Overvoltage category: IV
• Connection: Single terminal block (top or bottom), 1-25mm² rigid / 1-16mm² flexible
• Strip length: 14mm
• Tightening torque: 2 N.m
• Mechanical durability: 20,000 cycles
• Electrical durability: 10,000 cycles
• Standards: IEC 60947-2, EN 60947-2, EN 60898-1, IEC 60898-1
• Warranty: 18 months

Features and benefits:

• High breaking capacity of 10kA at 230V AC makes it suitable for demanding distribution applications
• B tripping curve provides sensitive overcurrent protection, ideal for long cable runs and resistive loads
• Compatible with comb busbar distribution blocks from top or bottom, simplifying panel wiring
• Contact position indicator and trip indicator enable fast local fault diagnosis
• Suitable for isolation per EN/IEC 60898-1 and EN/IEC 60947-2
• Tropicalization class 2 per IEC 60068-1 ensures reliable operation in humid environments

Applications:

• Final distribution boards in residential and commercial electrical installations
• Protection of lighting circuits and resistive loads requiring sensitive B-curve tripping
• Industrial control panels and power distribution in AC and DC systems
• Protection of long cable runs where low inrush currents are expected

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

Also known as: Schneider A9F83120, Schneider Electric A9F83120, iC60H 20A B curve MCB, Acti9 1P 20A miniature circuit breaker.