Schneider A9N18367 | Miniature circuit-breaker, Acti9 C120N, 3P, 100 A, C curve, 10000 A (IEC 60898-1), 10 kA (IEC 60947-2)
. Technical Specifications
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Brand: Schneider Electric
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Series: Acti9 C120N
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Reference Number: A9N18367
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Device Type: Miniature Circuit Breaker (MCB)
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Number of Poles: 3P (Three poles)
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Rated Current (In): 100 A
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Tripping Curve: C Curve (for moderate inrush current applications)
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Rated Voltage (Ue): 400 V AC (3-phase systems)
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Rated Frequency: 50/60 Hz
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Breaking Capacity:
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10,000 A at 230/400 V AC (IEC 60898-1)
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10 kA (IEC 60947-2 for industrial applications)
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Standards Compliance:
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IEC 60898-1 (residential/commercial)
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IEC 60947-2 (industrial)
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Mounting Type: DIN rail (modular)
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Terminal Connection:
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Top and bottom terminals with cage clamps
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Accepts rigid/flexible cables up to 35 mm²
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Degree of Protection: IP20 (front panel), IP40 (in enclosure)
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Operating Temperature: -25°C to +70°C
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Endurance:
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Mechanical: 20,000 cycles
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Electrical: 10,000 cycles
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. Key Features
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High breaking capacity (10 kA) ensures enhanced protection in fault conditions
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C curve tripping provides reliable protection for standard applications (lighting, sockets, motors)
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3-pole protection for balanced three-phase systems
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Compact modular design optimized for distribution boards
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Visual trip indication and ergonomic toggle switch
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Fully compatible with Acti9 accessories, such as auxiliaries and terminal shields
. Typical Applications
This circuit breaker is widely used in:
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Commercial buildings and offices
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Industrial facilities and factories
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Data centers and control panels
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Electrical distribution boards for machinery
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Renewable energy systems (solar inverters, small wind turbines)
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Backup power systems and generators
. Advantages
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Reliable and durable under heavy load conditions
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Supports system integration with Acti9 modular range
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High operational life with excellent mechanical and electrical endurance
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Quick installation and maintenance
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Global standard compliance for international projects
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Enhanced safety features like isolation indication and optional padlocking
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