Schneider A9K02140 Acti9 K60N MCB 1P 40 A C Curve 6kA DIN Rail

The Schneider Electric A9K02140 is a 1-pole miniature circuit breaker (MCB) from the Acti 9 K60N series, rated at 40 A with a C tripping curve and 6000 A breaking capacity at 230 V AC. It provides thermomagnetic overload and short-circuit protection for final distribution circuits and is certified suitable for isolation per EN/IEC 60898-1.

Technical specifications:

• Commercial reference: A9K02140
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 K60
• Product type: Miniature Circuit Breaker (MCB)
• Number of poles: 1P
• Rated current [In]: 40 A
• Network type: AC, 50/60 Hz
• Protection technology: Thermomagnetic
• Tripping curve: C, overcurrent range 5...10 x In
• Breaking capacity [Icn]: 6000 A at 230 V AC per EN/IEC 60898-1
• Service breaking capacity [Ics]: 6000 A (100%) at 230 V AC per EN/IEC 60898-1
• Rated insulation voltage [Ui]: 440 V AC 50/60 Hz
• Rated impulse withstand voltage [Uimp]: 4 kV
• Limitation class: 3 per EN/IEC 60898-1
• Usage category: Category A per IEC 60947-2
• Mounting: DIN rail, fixed
• Dimensions (WxHxD): 18 x 81 x 70 mm
• Weight: 0.12 kg
• IP rating: IP20 per IEC 60529
• Operating temperature: -25...70°C
• Connections: Tunnel terminals 0.5...35 mm² rigid / 0.5...25 mm² flexible (upper and lower); strip length 14 mm; tightening torque 3.5 N.m
• Mechanical durability: 20,000 cycles; electrical durability: 10,000 cycles
• Certifications: OVE, VDE
• Standard: EN/IEC 60898-1

Features and benefits:

• Full service breaking capacity - Ics equals Icn at 6000 A, eliminating the need to derate for service conditions
• Limitation class 3 reduces let-through energy during fault events, protecting downstream equipment
• Certified suitable for isolation per EN/IEC 60898-1, allowing safe circuit de-energization for maintenance
• Lower busbar comb double connection supports flexible DIN rail panel assembly
• Wide operating temperature range of -25 to 70°C suits demanding installation environments

Applications:

• Final distribution boards in residential and commercial buildings
• Protection of lighting circuits and socket outlet groups
• Small power distribution panels in light industrial installations
• Control cabinets requiring compact DIN rail circuit protection

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

Also known as: Schneider A9K02140, Schneider Electric A9K02140, Acti9 K60N 40A 1-pole C-curve MCB.