Schneider A9N18372 Acti9 C120N MCB 4P 80 A C Curve 10kA

The Schneider Electric A9N18372 is a 4-pole, 80 A miniature circuit breaker from the Acti 9 C120N range, featuring a C tripping curve and a 10 kA breaking capacity at 230-400 V AC for electrical energy distribution. Its thermomagnetic protection technology and suitability for use as an isolating device make it an effective choice for main distribution boards and industrial panels.

Technical specifications:

• Commercial reference: A9N18372
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 C120
• Product type: Miniature circuit breaker (MCB)
• Number of poles: 4P, 4 protected poles
• Rated current [In]: 80 A at 30°C
• Rated voltage [Ue]: 220-415 V AC / up to 500 V DC
• Tripping curve: C
• Protection technology: Thermomagnetic
• Breaking capacity [Icn]: 10 kA at 230-400 V AC (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 (EN/IEC 60947-2)
• Rated insulation voltage [Ui]: 500 V AC
• Rated impulse withstand voltage [Uimp]: 6 kV
• Mounting: Clip-on, 35 mm symmetrical DIN rail
• Connection: Tunnel terminals, 1-50 mm² solid / 1.5-35 mm² flexible; tightening torque 3.5 N.m
• Dimensions (WxHxD): 108 x 81 x 73 mm
• Weight: 0.82 kg
• IP rating: IP20 (IEC 60529)
• Operating temperature: -25 to 70°C
• Standards: EN/IEC 60898-1, EN/IEC 60947-2
• Certification: EAC

Features and benefits:

• Suitable for use as an isolating device per IEC 60947-2
• Handle sealable in ON or OFF position with 0.7 mm cable diameter
• Compatible with busbar comb connection systems for efficient panel wiring
• Limitation class 3 for reduced let-through energy per EN/IEC 60947-2
• Wide operating temperature range of -25 to 70°C for demanding environments
• Contact position indicator for clear ON/OFF status reading

Applications:

• Circuit protection in main and sub-distribution boards
• Industrial and commercial electrical energy distribution panels
• 3-phase plus neutral circuit protection in industrial control panels
• DC circuit protection in systems up to 500 V DC

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

Also known as: Schneider A9N18372, Schneider Electric A9N18372, C120N 4-pole 80A MCB.