Technical Specifications A9F87420

• Product Type: Miniature Circuit Breaker (MCB)

• Series: Acti9 iC60H

• Reference Code: A9F87420

• Number of Poles: 4P (Four-pole)

• Rated Current (In): 20 A

• Tripping Curve: C Curve (trips between 5 to 10 times the rated current)

• Breaking Capacity:

  • 10,000 A according to IEC 60898-1

  • 15,000 A according to IEC 60947-2

• Rated Operational Voltage: 400/415 V AC

• Frequency: 50/60 Hz

• Degree of Protection: IP20 (enhanced when installed in an enclosure)

• Mechanical Endurance: Up to 20,000 operations

• Electrical Endurance: Up to 10,000 operations under rated load

• Mounting: Standard DIN rail (35 mm)

• Insulation Class: Class II (double insulation)

• Standards Compliance: IEC 60898-1 and IEC 60947-2

. Key Features

• High Breaking Capacity: Can safely interrupt short circuits up to 15 kA, ensuring superior circuit protection.

• C Curve Tripping: Suitable for applications with moderate inrush currents such as motors, HVAC units, and lighting.

• Modular Design: Compact form factor that fits easily into modern distribution panels.

• Quick Installation: Simple DIN rail mounting for efficient setup and maintenance.

• Visual Safety Indicators: The Acti9 series includes visual trip indicators to enhance safety during operation and maintenance.

• Accessory Ready: Compatible with a wide range of optional accessories such as auxiliary contacts, undervoltage releases, and shunt trips.

• Eco-Friendly Materials: Manufactured using recyclable and RoHS-compliant materials, supporting green building standards.

. Applications

The Schneider A9F87420 MCB is versatile and reliable for a wide range of applications, including:

a. Residential Installations

• Protects household electrical systems from overloads and short circuits.

• Suitable for circuits powering lighting, air conditioning units, and kitchen appliances.

b. Commercial Buildings

• Ideal for malls, offices, hospitals, and schools to ensure safe distribution of power to lighting, IT systems, elevators, and HVAC equipment.

c. Industrial Settings

• Used to protect motor control centers, machinery, and distribution boards in manufacturing and production facilities.

d. Sub-distribution Boards

• Commonly installed in sub-panels for selective protection and coordination with upstream circuit breakers.

e. Renewable Energy Systems

• Can be integrated into AC circuits of solar PV and wind turbine systems to ensure safe disconnection during faults or maintenance.