Overview

The A9KF71340 is a high-performance Miniature Circuit Breaker (MCB) from Schneider Electric’s Acti 9K series. Designed for reliable protection of electrical circuits, this 3-pole MCB is ideal for residential, commercial, and industrial applications.

Key Features

• Type: Miniature Circuit Breaker (MCB)
• Number of Poles: 3P (3 Poles)
• Rated Current: 40A
• Tripping Curve: C Curve (for medium inrush current applications)
• Breaking Capacity: 10000A (10 kA)
• Voltage Rating: 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 cycles
• Electrical Life: 10,000 cycles
• Environmental Protection: IP20 (when installed in an enclosure)

Applications

The A9KF71340 MCB is suitable for:

• Protection of electrical circuits in residential buildings
• Commercial and industrial installations
• Distribution boards and control panels
• Circuits with medium inrush currents (e.g., lighting, motors, and transformers)

Benefits

• High breaking capacity ensures reliable protection against short circuits
• Compact design for space-saving installation
• Easy DIN rail mounting for quick and secure installation
• Complies with international standards for safety and performance
• Durable construction for long service life

Dimensions and Weight

• Width: 54 mm
• Height: 80 mm
• Depth: 70 mm
• Weight: Approx. 0.3 kg