Schneider A9K02340 Acti9 K60N MCB 3P 40 A C Curve 6kA DIN Rail

The Schneider Electric A9K02340 is a 3-pole, 40 A miniature circuit breaker (MCB) from the Acti 9 K60N series, designed for AC electrical power distribution. With a C tripping curve, thermomagnetic protection technology, and a 6 kA breaking capacity at 400 V AC, it delivers reliable overcurrent and short-circuit protection for 3-phase branch circuits.

Technical specifications:

• Commercial reference: A9K02340
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 (K60N)
• Product type: Miniature circuit breaker (MCB)
• Number of poles: 3P
• Rated current [In]: 40 A
• Network type: AC, 50/60 Hz
• Tripping curve: C
• Protection technology: Thermomagnetic
• Breaking capacity [Icn] / service breaking capacity [Ics]: 6 kA at 400 V AC, 100% Ics (EN/IEC 60898-1)
• Rated insulation voltage [Ui]: 440 V AC
• Rated impulse withstand voltage [Uimp]: 4 kV
• Limitation class: 3 (EN/IEC 60898-1)
• Mounting: DIN rail
• Dimensions (WxHxD): 54 x 81 x 70 mm
• Weight: 0.36 kg
• Connection terminals: Tunnel type, 0.5...35 mm² rigid / 0.5...25 mm² flexible
• Strip length: 14 mm
• Tightening torque: 3.5 N.m
• IP protection: IP20 (IEC 60529)
• Operating temperature: -25...70°C
• Mechanical / electrical durability: 20,000 / 10,000 cycles
• Certifications: VDE, OVE
• Standard: EN/IEC 60898-1

Features and benefits:

• C curve thermomagnetic protection suited to general-purpose power distribution loads
• Full 6 kA service breaking capacity (100% Ics) at 400 V AC for consistent fault performance
• Limitation class 3 for effective energy limitation during short-circuit events
• Bottom terminals support comb busbar with double connection for flexible panel layouts
• Wide conductor range accepts 0.5...35 mm² rigid or 0.5...25 mm² flexible cable
• Operating temperature range of -25...70°C for use in demanding installation environments

Applications:

• Final distribution boards in residential and commercial buildings
• Branch circuit protection in industrial control panels and distribution enclosures
• Overcurrent and short-circuit protection in 3-phase AC distribution networks
• Electrical power distribution systems requiring DIN rail-mounted protection devices

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

Also known as: Schneider A9K02340, Schneider Electric A9K02340, Acti9 K60N 3P 40A MCB.