Overview

The A9KF71140 is a 1 Pole Miniature Circuit Breaker (MCB) from Schneider Electric’s Acti 9 series. It is designed to provide reliable protection against overloads and short circuits in electrical installations. With a rated current of 40A and a breaking capacity of 10kA, this MCB is suitable for a wide range of residential, commercial, and industrial applications.

Key Features

• Type: Miniature Circuit Breaker (MCB)
• Number of Poles: 1 Pole (1P)
• Rated Current: 40A
• Tripping Curve: C Curve (for moderate inrush currents)
• Breaking Capacity: 10,000A (10kA)
• 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 Life: 20,000 operations
• Electrical Life: 10,000 operations
• Width: 18mm
• Color: White

Applications

The A9KF71140 is ideal for use in:

• Residential electrical distribution boards
• Commercial buildings
• Industrial control panels
• Lighting circuits
• Power distribution systems

Safety and Reliability

This MCB ensures high levels of safety and reliability, offering protection against electrical faults such as overloads and short circuits. Its C Curve tripping characteristic makes it suitable for circuits with moderate inrush currents, such as those found in lighting and general-purpose outlets.

Installation

The A9KF71140 is designed for easy installation on standard DIN rails, making it compatible with most electrical distribution boards. The screw clamp terminals ensure secure and reliable connections.

Environmental Considerations

Schneider Electric is committed to sustainability. The A9KF71140 is RoHS compliant, ensuring it meets environmental standards by restricting the use of hazardous substances.

Warranty and Support

Schneider Electric offers a standard warranty on this product, along with comprehensive customer support to ensure optimal performance and satisfaction.