Schneider A9N18479 Miniature Circuit Breaker (MCB), Acti9 C120H, 4P C80A 15kA

The Schneider Electric A9N18479 is a 4-pole miniature circuit breaker (MCB) from the Acti 9 C120H series, rated 80A at 30°C with a C tripping curve, designed for electrical power distribution. It provides a breaking capacity of 15,000A Icn at 230-400V AC per IEC 60898-1 and 15 kA Icu at 380-415V AC per IEC 60947-2.

Technical specifications:

• Commercial reference: A9N18479
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 C120
• Number of poles: 4P
• Rated current: 80A at 30°C
• Tripping curve: C
• Network type: AC and DC
• Protection technology: Thermomagnetic
• Breaking capacity (Icn): 15,000A at 230-400V AC 50/60 Hz per IEC 60898-1
• Breaking capacity (Icu): 30 kA at 220-240V AC; 15 kA at 380-415V AC; 10 kA at 440V AC; 15 kA at up to 500V DC per IEC 60947-2
• Rated voltage (Ue): 220-440V AC 50/60 Hz; up to 500V DC
• Rated insulation voltage (Ui): 500V AC per IEC 60947-2
• Rated impulse withstand voltage (Uimp): 6 kV per IEC 60947-2
• Mounting: 35mm symmetrical DIN rail, clip-on system
• Connection terminals: Tunnel type, 1-50mm² rigid / 1.5-35mm² flexible
• IP rating: IP20 per IEC 60529
• Operating temperature: -30 to 60°C
• Dimensions (WxHxD): 108 x 81 x 73 mm
• Weight: 0.82 kg
• Standards: EN/IEC 60947-2, EN/IEC 60898-1
• Certification: EAC

Features and benefits:

• Breaking capacity of 30 kA at 220-240V AC enables use in high fault-current installations
• Suitable for isolation per IEC 60947-2, removing the need for a separate isolating switch
• Handle sealable with 0.7mm cable in both ON and OFF positions to prevent unauthorized switching
• Compatible with comb busbar distribution blocks and standard 35mm DIN rail
• Rated for DC systems up to 500V with 15 kA Icu breaking capacity
• Mechanical endurance of 20,000 cycles and 5,000 electrical operating cycles per IEC 60947-2

Applications:

• Main and sub-distribution boards in commercial and industrial buildings
• Outgoing circuit protection in panels with high prospective fault currents
• DC distribution up to 500V in industrial or renewable energy installations
• Switchboards requiring combined overcurrent protection and isolation capability

Compliant with EN/IEC 60947-2 and EN/IEC 60898-1. Part of the Schneider Electric Acti 9 C120 range.

Also known as: Schneider A9N18479, Schneider Electric A9N18479, Acti9 C120H 4P MCB 80A.