Schneider A9K02120 Acti9 K60N MCB 1P 20 A C Curve 6kA DIN Rail

The Schneider Electric A9K02120 is a 1-pole Miniature Circuit Breaker (MCB) from the Acti 9 K60N range, rated at 20 A with a C tripping curve and 6 kA breaking capacity at 230 V AC. Designed for electrical power distribution, it provides thermomagnetic overcurrent protection for AC networks with reliable performance in residential and commercial installations.

Technical specifications:

• Commercial reference: A9K02120
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 K60
• Product type: Miniature Circuit Breaker (MCB)
• Short device name: K60N
• Number of poles: 1P
• Number of protected poles: 1
• Rated current: 20 A
• Network type: AC
• Protection unit technology: Thermomagnetic
• Tripping curve: C
• Breaking capacity: 6000 A (Icn) at 230 V AC 50/60 Hz per EN/IEC 60898-1
• Service breaking capacity (Ics): 6000 A (100%) at 230 V AC 50/60 Hz per EN/IEC 60898-1
• Overcurrent protection range: 5...10 x In
• Rated insulation voltage (Ui): 440 V AC 50/60 Hz per EN/IEC 60898-1
• Rated impulse withstand voltage (Uimp): 4 kV per EN/IEC 60898-1
• Limitation class: 3 per EN/IEC 60898-1
• Usage category: Category A per IEC 60947-2
• Network frequency: 50/60 Hz
• Mounting: Fixed, DIN rail
• Dimensions (WxHxD): 18 x 81 x 70 mm
• DIN rail pitch: 9 mm, 2 modules
• Weight: 0.12 kg
• Color: White
• IP protection rating: IP20 per IEC 60529
• Operating temperature: -25...70 °C
• Storage temperature: -40...70 °C
• Relative humidity: 95% at 55 °C
• Pollution degree: 2 per IEC/EN 60898-1
• Overvoltage category: II
• Control type: Toggle handle
• Connection (upper/lower): Tunnel terminals, rigid 0.5...35 mm², flexible 0.5...25 mm²
• Strip length: 14 mm
• Tightening torque: 3.5 N.m
• Mechanical endurance: 20000 cycles
• Electrical endurance: 20000 cycles
• Standards: EN/IEC 60898-1
• Certifications: OVE, VDE
• Warranty: 18 months

Features and benefits:

• C tripping curve suits loads with moderate inrush currents such as lighting circuits and general power distribution
• 6 kA breaking capacity (Icn) with 100% service breaking capacity (Ics) at 230 V AC ensures full protection without derating
• Limitation class 3 reduces let-through energy, minimising stress on downstream equipment during fault conditions
• Compact 18 mm wide, 1-module design maximises space efficiency in distribution boards
• DIN rail mounting with lower double-connection busbar comb compatibility simplifies panel wiring
• Halogen-free construction with 56% minimum recycled plastic content supports sustainability requirements

Applications:

• Final distribution boards in residential and commercial buildings for circuit protection
• Protection of lighting circuits and general socket outlet circuits
• Industrial control panels requiring compact DIN rail mounted overcurrent protection
• Low-voltage switchgear assemblies in power distribution applications

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

Also known as: Schneider A9K02120, Schneider Electric A9K02120, Acti9 K60N 20A MCB, Schneider 1-pole MCB 20A C curve.