Schneider A9K02320 Acti9 K60N MCB 3P 20 A C Curve 6kA DIN Rail

The Schneider Electric A9K02320 is a 3-pole Miniature Circuit Breaker (MCB) from the Acti 9 K60N range, rated at 20 A with a C tripping curve and a breaking capacity of 6000 A at 400 V AC. Featuring thermomagnetic protection technology, it is designed for power distribution applications and complies with EN/IEC 60898-1.

Technical specifications:

• Commercial reference: A9K02320
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 K60
• Product type: Miniature Circuit Breaker (MCB)
• Number of poles: 3P, 3 protected poles
• Rated current [In]: 20 A
• Network type: AC, 50/60 Hz
• Tripping curve: C
• Protection technology: Thermomagnetic
• Breaking capacity [Icn]: 6000 A at 400 V AC per EN/IEC 60898-1
• Service breaking capacity [Ics]: 6000 A (100%) at 400 V AC per EN/IEC 60898-1
• Rated insulation voltage [Ui]: 440 V AC 50/60 Hz
• Impulse withstand voltage [Uimp]: 4 kV per EN/IEC 60898-1
• Magnetic trip range: 5...10 x In
• Limitation class: 3 per EN/IEC 60898-1
• Usage category: Category A per IEC 60947-2
• Suitable for isolation: Yes per EN/IEC 60898-1
• Mounting: DIN rail, fixed
• Busbar comb connection: Bottom terminals, double connection
• Dimensions (W x H x D): 54 x 81 x 70 mm
• Weight: 0.36 kg
• IP protection: IP20 per IEC 60529
• Pollution degree: 2 per EN/IEC 60898-1
• Overvoltage category: II
• Operating temperature: -25...70°C
• Storage temperature: -40...70°C
• Relative humidity: 95% at 55°C
• Connection terminals: Tunnel type, top and bottom - 0.5...35 mm² rigid / 0.5...25 mm² flexible
• Strip length: 14 mm
• Tightening torque: 3.5 N.m
• Mechanical endurance: 20,000 cycles
• Electrical endurance: 20,000 cycles
• Color: White
• Certifications: VDE, OVE
• Standard: EN/IEC 60898-1

Features and benefits:

• C curve thermomagnetic protection suits circuits with moderate inrush currents such as resistive and light inductive loads
• Service breaking capacity (Ics) equals 100% of Icn - no derating in service conditions
• Certified for use as an isolating device per EN/IEC 60898-1, providing enhanced installation safety
• Limitation class 3 ensures fast fault current limiting, reducing thermal and mechanical stress on downstream equipment
• Wide conductor compatibility: 0.5...35 mm² rigid and 0.5...25 mm² flexible via tunnel terminals on both top and bottom
• Compatible with comb busbar systems via double connection at bottom terminals

Applications:

• Protection of outgoing circuits in residential and commercial final distribution boards
• Overload and short-circuit protection for three-phase loads up to 20 A
• Industrial switchgear panels requiring compact DIN rail-mounted MCBs
• Electrical distribution systems requiring EN/IEC 60898-1 compliant overcurrent protection

Compliant with EN/IEC 60898-1. Part of the Schneider Electric Acti 9 K60 range.

Also known as: Schneider A9K02320, Schneider Electric A9K02320, Acti9 K60N 3P 20A C curve MCB, 3-pole miniature circuit breaker 6kA.