Overview

The A9KF71440 is a high-performance Miniature Circuit Breaker (MCB) from Schneider Electric’s Acti 9K series. Designed for reliable protection of electrical circuits, this MCB is suitable for a wide range of applications in residential, commercial, and industrial environments.

Key Features

• Number of Poles: 4P (4 Poles)
• Rated Current: 40A
• Tripping Curve: C Curve (Suitable for moderate inrush currents)
• Breaking Capacity: 10000A (10 kA)
• Voltage Rating: 230/400V AC
• Standards Compliance: IEC 60898-1, IEC 60947-2
• Mounting: DIN Rail Mounting
• Terminal Type: Screw Clamp
• Operating Temperature: -25°C to +60°C
• Mechanical Durability: 20,000 cycles
• Electrical Durability: 10,000 cycles
• Safety Features: Overload and short-circuit protection
• Compact Design: Space-saving and easy to install

Applications

The A9KF71440 MCB is ideal for protecting electrical circuits in:

• Residential buildings
• Commercial complexes
• Industrial facilities
• Distribution boards

Benefits

• High breaking capacity ensures reliable protection against short circuits.
• C Curve tripping characteristic provides optimal protection for circuits with moderate inrush currents.
• Durable construction ensures long service life.
• Easy to install and maintain.

Technical Specifications

Dimensions

Compact design with dimensions: 90mm (H) x 70mm (W) x 70mm (D).

Warranty

Schneider Electric offers a standard warranty period for this product. Please refer to the manufacturer’s warranty policy for details.