Schneider A9N18361 Miniature Circuit Breaker (MCB), Acti9 C120N, 2P C80A 10 kA

The Schneider Electric A9N18361 is a 2-pole miniature circuit breaker (MCB) from the Acti 9 C120N range, rated at 80 A with a C tripping characteristic for electrical distribution applications. It delivers a breaking capacity of 10 kA Icn at 230-400 V AC and 20 kA Icu at 220-240 V AC, making it suitable for demanding distribution panel installations.

Technical specifications:

• Commercial reference: A9N18361
• Manufacturer: Schneider Electric
• Series / range: Acti 9 C120
• Product type: Miniature circuit breaker (MCB)
• Number of poles: 2P
• Number of protected poles: 2
• Neutral conductor position: Left
• Rated current [In]: 80 A at 30°C
• Network type: AC
• Protective unit technology: Thermomagnetic
• Tripping curve: C
• Breaking capacity: 10 kA Icn at 230-400 V AC 50/60 Hz (EN/IEC 60898-1); 20 kA Icu at 220-240 V AC 50/60 Hz; 10 kA Icu at 380-415 V AC 50/60 Hz; 6 kA Icu at 440 V AC 50/60 Hz; 10 kA Icu at 250 V DC (EN/IEC 60947-2)
• Overcurrent protection range: 5-10 x In
• Rated voltage [Ue]: 220-240 V AC / 380-415 V AC / 440 V AC / 250 V DC
• Rated insulation voltage [Ui]: 500 V AC 50/60 Hz
• Rated impulse withstand voltage [Uimp]: 6 kV
• Limiting class: 3
• Standards: EN/IEC 60947-2, EN/IEC 60898-1
• Certifications: EAC
• IP protection rating: IP20 (IEC 60529)
• Mounting: Click-on 35 mm symmetrical DIN rail
• Connection type: Tunnel terminals, 1-50 mm² solid / 1.5-35 mm² flexible
• Stripping length: 15 mm
• Tightening torque: 3.5 N.m
• Width x Height x Depth: 54 x 81 x 73 mm
• Weight: 0.41 kg
• Operating temperature: -25 to 70°C
• Storage temperature: -40 to 85°C
• Mechanical endurance: 20,000 cycles
• Electrical endurance: 5,000 cycles (IEC 60947-2)

Features and benefits:

• High breaking capacity of 20 kA Icu at 220-240 V AC provides robust fault current protection in demanding installations
• Suitable for isolation per IEC 60947-2, enabling use as a disconnecting device
• Handle sealable with cable diameter 0.7 mm in both ON and OFF positions for tamper protection
• Compatible with comb busbar distribution blocks for simplified panel wiring
• Wide operating temperature range of -25 to 70°C supports use in harsh environments
• Pollution degree 3 and overvoltage category IV rating for industrial-grade resilience

Applications:

• Final and sub-distribution boards in commercial and industrial buildings
• Protection of outgoing circuits in medium to large electrical distribution panels
• Industrial control panels requiring high breaking capacity and reliable overcurrent protection
• Applications with mixed AC and DC supply networks up to 250 V DC

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

Also known as: Schneider A9N18361, Schneider Electric A9N18361, C120N 2P 80A MCB, Acti9 C120N 80A circuit breaker.