Schneider A9K01320 Acti9 K60N MCB 3P 20 A B Curve 6kA DIN Rail

The Schneider Electric A9K01320 is a 3-pole miniature circuit breaker (MCB) from the Acti 9 K60N range, rated at 20 A with a B tripping curve and 6 kA breaking capacity at 400 V AC. Designed for electrical power distribution, it combines thermomagnetic protection technology with compact DIN rail mounting for use in distribution boards and final circuits.

Technical specifications:

• Commercial reference: A9K01320
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 K60
• Product type: Miniature circuit breaker (MCB)
• Number of poles: 3P
• Number of protected poles: 3
• Rated current [In]: 20 A
• Tripping curve: B
• Network type: AC
• Protection technology: Thermomagnetic
• Breaking capacity [Icn]: 6000 A at 400 V AC 50/60 Hz per EN/IEC 60898-1
• Service breaking capacity [Ics]: 6000 A (100%) at 400 V AC 50/60 Hz per EN/IEC 60898-1
• Overcurrent protection range: 3...5 x In
• Rated insulation voltage [Ui]: 440 V AC 50/60 Hz
• Rated impulse withstand voltage [Uimp]: 4 kV
• Limitation class: 3 per EN/IEC 60898-1
• Network frequency: 50/60 Hz
• Mounting: DIN rail
• Width: 54 mm (6 x 9 mm modules)
• Height: 81 mm
• Depth: 70 mm
• Weight: 0.36 kg
• IP rating: IP20 per IEC 60529
• Operating temperature: -25...70 °C
• Storage temperature: -40...70 °C
• Connection: Tunnel terminals, 0.5...35 mm² rigid / 0.5...25 mm² flexible (top and bottom)
• Tightening torque: 3.5 N.m
• Strip length: 14 mm
• Standards: EN/IEC 60898-1
• Certifications: OVE, VDE
• Mechanical / electrical durability: 20,000 cycles
• Color: White

Features and benefits:

• B curve thermomagnetic protection suitable for resistive and lightly inductive loads with low inrush currents
• 6 kA breaking capacity (Icn = Ics at 100%) ensures reliable fault clearance without derating
• Compact 54 mm width (6 modules) optimises space in distribution boards
• Wide conductor range (0.5...35 mm² rigid) accommodates diverse wiring requirements
• Wide operating temperature range of -25...70 °C suits demanding installation environments
• Halogen-free product with 56% minimum recycled plastic content supporting sustainability goals

Applications:

• Final circuit protection in residential and commercial electrical distribution boards
• Protection of resistive loads such as lighting circuits and heating elements
• Industrial control panels requiring compact 3-pole overcurrent protection
• Branch circuit protection in DIN rail enclosures
• Low-inrush load protection in building electrical installations

Compliant with EN/IEC 60898-1, Usage Category A per IEC 60947-2, and certified by OVE and VDE. Part of the Schneider Electric Acti 9 K60 range.

Also known as: Schneider A9K01320, Schneider Electric A9K01320, Acti9 K60N 3P 20A B curve MCB, Schneider 3-pole 20A miniature circuit breaker.