Schneider A9N18364 Acti9 C120N MCB 3P 63 A C Curve 10kA

The Schneider Electric A9N18364 is the Acti 9 C120N 3-pole miniature circuit breaker (MCB) rated at 63 A with a C tripping curve, designed for electrical power distribution. It delivers a breaking capacity of 10 kA Icn at 230...400 V AC per EN/IEC 60898-1, with a thermomagnetic protection unit providing reliable overcurrent and short-circuit protection.

Technical specifications:

• Commercial reference: A9N18364
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 C120
• Product type: Miniature Circuit Breaker (MCB)
• Number of poles: 3P
• Rated current [In]: 63 A at 30°C
• Rated voltage [Ue]: 230...400 V AC / up to 440 V AC / up to 375 V DC, 50/60 Hz
• Tripping curve: C
• Protection technology: Thermomagnetic
• Breaking capacity [Icn]: 10 kA at 230...400 V AC per EN/IEC 60898-1
• Ultimate breaking capacity [Icu]: 20 kA at 220...240 V AC, 10 kA at 380...415 V AC, 6 kA at 440 V AC per EN/IEC 60947-2
• Rated insulation voltage [Ui]: 500 V AC per EN/IEC 60947-2
• Rated impulse withstand voltage [Uimp]: 6 kV
• Overcurrent protection range: 5...10 x In
• Mounting: Clip-on, 35 mm symmetric DIN rail
• Connection: Tunnel terminals, 1...50 mm² rigid / 1.5...35 mm² flexible
• Tightening torque: 3.5 N.m
• Dimensions (WxHxD): 81 x 81 x 73 mm
• Weight: 0.615 kg
• IP rating: IP20 per IEC 60529
• Operating temperature: -25...70°C
• Mechanical endurance: 20,000 cycles
• Electrical endurance: 10,000 cycles per IEC 60947-2
• Standards: EN/IEC 60898-1, EN/IEC 60947-2
• Certification: EAC

Features and benefits:

• Suitable for isolation per IEC 60947-2, enabling safe maintenance disconnection
• Handle sealable in ON or OFF position for tamper-evident installations
• Compatible with comb busbars for efficient wiring in distribution boards
• Covers both AC and DC networks, rated up to 440 V AC and 375 V DC
• Overvoltage category IV, suitable for use at the origin of the electrical installation

Applications:

• Three-phase distribution boards in commercial and industrial buildings
• Overcurrent and short-circuit protection for three-phase sub-circuits at 63 A
• Industrial control panels requiring high breaking capacity at 10 kA
• Installations requiring isolation capability with sealed handle security

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

Also known as: Schneider A9N18364, Schneider Electric A9N18364, C120N 3P 63A MCB, Acti9 C120N circuit breaker.