Description
Schneider A9N18479 | Miniature circuit-breaker, Acti9 C120H, 4P, 80 A, C curve, 15000 A (IEC 60898-1), 15 kA (IEC 60947-2)
Technical Specifications A9N18479
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Product Reference: A9N18479
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Series: Acti9 C120H
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Device Type: Miniature Circuit Breaker (MCB)
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Number of Poles: 4P (Four Pole)
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Rated Current: 80 Amperes
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Tripping Curve: C Curve (moderate inrush current)
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Breaking Capacity (IEC 60898-1): 15,000 A
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Breaking Capacity (IEC 60947-2): 15 kA
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Rated Operational Voltage: 400 V AC
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Insulation Voltage: 500 V
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Frequency: 50/60 Hz
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Mounting Type: DIN rail
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Degree of Protection: IP20 (when installed in an enclosed panel)
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Certifications: IEC 60898-1, IEC 60947-2
Key Features:
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Four-Pole Protection
Simultaneously disconnects all live conductors including the neutral, ensuring maximum isolation and safety. -
High Breaking Capacity (15 kA)
Suitable for environments with high short-circuit potential, such as industrial or commercial main panels. -
C Curve Tripping
Designed for general-purpose circuits with moderate surge currents like mixed lighting, small motors, and HVAC systems. -
Thermal-Magnetic Trip Mechanism
Combines thermal protection against overloads and magnetic protection against short circuits. -
Modular, Space-Efficient Design
Compact size for high-density installations in modern electrical distribution boards. -
Easy DIN Rail Mounting
Quick and reliable installation with standard modular enclosures and accessories. -
Durable Construction
Designed for long-lasting, stable performance even under intensive operational demands.
Applications:
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Industrial Electrical Panels
Provides comprehensive circuit protection in three-phase plus neutral systems across various industrial sectors. -
Commercial Buildings
Ideal for installations requiring full-phase and neutral disconnection, such as hospitals, malls, and office towers. -
Main and Sub Distribution Boards
Can be used for feeder protection or sub-circuit control in multi-phase systems. -
Sensitive Load Protection
Ensures safe operation of systems requiring neutral integrity, such as IT rooms and medical equipment. -
Utility and Infrastructure Networks
Supports secure operation in public infrastructure and energy distribution installations.
