Schneider A9K24240 Acti9 iK60N MCB 2P 40 A C Curve 6kA DIN Rail

The Schneider Electric A9K24240 is a 2-pole miniature circuit breaker (MCB) from the Acti9 iK60N range, rated at 40 A with a C tripping curve and 6000 A breaking capacity at 400 V AC. Designed for distribution applications, it provides thermal-magnetic overcurrent protection on AC networks with a magnetic tripping range of 5 to 10 x In.

Technical specifications:

• Commercial reference: A9K24240
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti9 iK60
• Device short name: iK60N
• Application: Distribution
• Poles: 2P (2 protected poles)
• Rated current [In]: 40 A at 30 °C
• Network type: AC
• Rated operational voltage [Ue]: 400 V AC 50/60 Hz
• Tripping curve: C
• Trip unit technology: Thermal-magnetic
• Magnetic tripping limit: 5 to 10 x In
• Breaking capacity [Icn]: 6000 A at 400 V AC conforming to EN/IEC 60898-1
• Rated service breaking capacity [Ics]: 6000 A (100% x Icn) at 400 V AC
• Limitation class: 3 conforming to EN/IEC 60898-1
• Rated insulation voltage [Ui]: 440 V AC 50/60 Hz
• Rated impulse withstand voltage [Uimp]: 4 kV
• Network frequency: 50/60 Hz
• Mounting: Clip-on, 35 mm DIN rail
• Connection pitch: 18 mm between phases
• Connection terminals: Tunnel type (top or bottom), rigid 1 to 35 mm², flexible 1 to 25 mm²
• Wire stripping length: 14 mm
• Tightening torque: 3.5 N.m
• IP protection: IP20 conforming to IEC 60529
• Operating temperature: -25 to 60 °C
• Storage temperature: -40 to 85 °C
• Pollution degree: 2
• Overvoltage category: II
• Dimensions (W x H x D): 36 x 85 x 78.5 mm
• Weight: 200 g
• Colour: White
• Mechanical durability: 20000 cycles
• Electrical durability: 10000 cycles
• Standards: EN/IEC 60898-1
• Certifications: SNI
• Suitability for isolation: Yes, conforming to EN/IEC 60898-1
• Warranty: 18 months

Features and benefits:

• Full 6000 A rated service breaking capacity (100% Ics) ensures reliable protection without derating.
• C curve thermal-magnetic trip unit provides protection against overloads and short circuits in distribution circuits.
• Suitable for isolation duty, eliminating the need for a separate disconnector.
• Clip-on DIN rail mounting with padlocking option for secure installation and lockout/tagout capability.
• Wide operating temperature range of -25 to 60 °C suits demanding installation environments.
• Accepts rigid conductors up to 35 mm² and flexible conductors up to 25 mm² for installation flexibility.

Applications:

• Final distribution boards in residential and light commercial buildings.
• Sub-distribution panels requiring overcurrent protection on 400 V AC three-phase systems.
• Protection of distribution circuits in industrial control panels and switchboards.
• Applications requiring a device suitable for isolation without additional disconnection equipment.

Compliant with EN/IEC 60898-1. Part of the Schneider Electric Acti9 iK60 range.

Also known as: Schneider A9K24240, Schneider Electric A9K24240, Acti9 iK60N 2P 40A MCB, Schneider 40A C curve circuit breaker.