Schneider A9F95450 Acti9 iC60L MCB 4P 50 A K Curve 20kA

The Schneider Electric A9F95450 is an Acti 9 iC60L 4-pole miniature circuit breaker rated at 50 A with a K tripping curve, designed for AC and DC power distribution applications. It offers a high ultimate breaking capacity of 70 kA at 12-133 V AC and 15 kA at 380-415 V AC per EN/IEC 60947-2. The thermomagnetic protective unit with current limiting class 3 ensures fast, reliable overcurrent protection.

Technical specifications:

• Commercial reference: A9F95450
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 iC60
• Product type: Miniature circuit breaker (MCB)
• Number of poles: 4P
• Number of protected poles: 4
• Rated current [In]: 50 A
• Tripping curve: K
• Network type: AC / DC
• Protective unit technology: Thermomagnetic
• Ultimate breaking capacity [Icu]: 70 kA at 12-133 V AC 50/60 Hz; 15 kA at 380-415 V AC 50/60 Hz; 10 kA at 440 V AC 50/60 Hz; 15 kA at 220-250 V DC (EN/IEC 60947-2)
• Service breaking capacity [Ics]: 35 kA at 12-133 V AC; 7.5 kA at 380-415 V AC; 15 kA at 220-240 V AC; 20 kA at 180-250 V DC
• Rated insulation voltage [Ui]: 500 V AC 50/60 Hz
• Rated impulse withstand voltage [Uimp]: 6 kV
• Current limiting class: 3 (EN/IEC 60898-1)
• Overcurrent protection limiting: 12 x In +/- 20%
• Utilisation category: Category A (EN/IEC 60947-2)
• Mounting: DIN rail
• Width: 72 mm
• Height: 85 mm
• Depth: 78.5 mm
• Product weight: 0.5 kg
• IP protection rating: IP20 (IEC/EN 60529)
• Operating temperature: -35 to 70 °C
• Storage temperature: -40 to 85 °C
• Relative humidity: 95% at 55 °C
• Overvoltage category: IV
• Pollution degree: 3
• Connection: Single terminal block (top or bottom), 1-35 mm² rigid / 1-25 mm² flexible
• Tightening torque: 3.5 N.m
• Strip length: 14 mm
• Mechanical durability: 20,000 cycles
• Electrical durability: 10,000 cycles
• Standards: EN 60947-2, IEC 60947-2

Features and benefits:

• K tripping curve provides delayed response to moderate overloads, ideal for loads with high inrush currents
• AC and DC network compatibility extends application flexibility across mixed distribution systems
• Current limiting class 3 minimises let-through energy, protecting downstream equipment
• Compatible with comb busbar distribution blocks (top or bottom) for compact panel wiring
• Wide operating temperature range (-35 to 70 °C) suits demanding industrial environments
• Trip position indicator provides immediate visual fault indication

Applications:

• Industrial power distribution boards requiring high breaking capacity on AC or DC networks
• Motor and transformer feeders with high inrush currents where K curve characteristics are required
• Commercial and industrial switchgear panels in harsh or high-pollution environments
• DC distribution systems in renewable energy or battery-backed installations

Compliant with EN 60947-2 and IEC 60947-2. Part of the Schneider Electric Acti 9 iC60 range.

Also known as: Schneider A9F95450, Schneider Electric A9F95450, iC60L 4P 50A K curve MCB, Acti9 4-pole 50A circuit breaker.