APC Schneider Electric A9F04340 Miniature Circuit Breaker 3P 40A C-Curve 10kA DIN Rail IP20

The APC Schneider Electric A9F04340 is a high-performance miniature circuit breaker (MCB) designed for reliable overcurrent protection in residential, commercial, and industrial electrical installations. With a 3-pole configuration, 40A rated current, and C-tripping curve, it ensures safe and efficient operation for a wide range of applications.

Advantages

This MCB offers robust breaking capacity up to 10kA at 230/400V AC, thermal-magnetic technology for precise protection, and easy DIN rail mounting. Its compact 6-pitch (54mm) design saves space in distribution boards.

Suitable for

• Overcurrent and short-circuit protection in electrical circuits
• Residential, commercial, and light industrial installations
• Use with standard DIN rail enclosures

Key specifications

• Brand: APC by Schneider Electric
• Model: A9F04340
• Number of Poles: 3P
• Rated Current (In): 40 A
• Tripping Curve: C
• Breaking Capacity (Icn) @ 230V AC: 6 kA (IEC/EN 60898-1)
• Breaking Capacity (Icu) @ 220-240V AC: 10 kA (IEC/EN 60947-2)
• Rated Operational Voltage (Ue): 230/400 V AC
• Network Type: AC
• Control Type: Toggle
• Mounting Type: DIN rail
• IP Degree of Protection: IP20
• Electrical Durability: 10,000 cycles
• Mechanical Durability: 20,000 cycles
• Terminal Type: Tunnel type terminals
• Wire Compatibility (Flexible): 1...25 mm²
• Wire Compatibility (Rigid): 1...35 mm²
• Operating Temperature: -35 to 70 °C
• Standards: IEC/EN 60898-1, IEC/EN 60947-2
• Technology: Thermal-magnetic
• Pollution Degree: 3
• 9 mm Pitches: 6

Recommendations

For optimal protection, ensure the circuit breaker is installed by a qualified electrician and used within its rated specifications. Always verify compatibility with your distribution board and load requirements.