Schneider A9K24320 | miniature circuit breaker – iK60N – 3P – 20 A – C curve

Schneider A9K24320 | miniature circuit breaker – iK60N – 3P – 20 A – C curve

1. Technical Specifications A9K24320

• Operational Voltage (Ue): Up to 400/415 V AC (three-phase applications)

• Number of Poles: 3 (suitable for full three-phase protection)

• Rated Current (In): 16 Amperes

• Tripping Curve: Type C – suitable for circuits with moderate inrush currents such as lighting, small motors, and HVAC systems

• Breaking Capacity: 6000 A (as per IEC 60898-1)

• Installation: Standard 35 mm DIN rail mounting

• Degree of Protection: IP20 (or IP40 when placed in an appropriate enclosure)

• Insulation Class: Class II (enhanced safety with double insulation)

• Electrical Endurance: Up to 20,000 operations under load

• Mechanical Endurance: Up to 20,000 manual cycles

• Operating Temperature Range: -25°C to +70°C

• Compliance Standards: IEC 60898-1

2. Key Features

1. Three-Pole Protection: Offers synchronized disconnection of all three phases, ensuring complete isolation of the load in case of a fault

2. C Curve Tripping: Balances sensitivity and robustness, ideal for typical mixed-use loads (e.g., lighting, sockets, motors)

3. Compact Modular Design: Space-saving and easily installed in modern distribution panels

4. High Fault Interruption Capability: Protects against short circuits and overloads up to 6000 A

5. Safe Operation: Finger-safe terminals and visible ON/OFF indicators for user safety and status visibility

6. Robust Construction: High mechanical and electrical endurance for long service life

7. DIN Rail Mounting: Quick and secure installation in standard enclosures

8. Eco-Design: RoHS-compliant and made from recyclable materials to support environmental responsibility

3. Typical Applications

The A9K24316 is ideal for medium-load, three-phase applications in residential, commercial, and light industrial environments:

• Three-Phase Lighting Circuits: For warehouses, workshops, and industrial lighting systems

• Small Motors and Machinery: Offers protection for compressors, conveyors, or small pumps

• HVAC Systems: Suited for air handling units and three-phase fans

• Control Panels: Used in industrial automation and motor control centers

• Elevator Control Circuits: Suitable for moderate power loads in lift systems

• Educational and Research Facilities: For lab equipment and three-phase benches

• Retail and Commercial Units: General-purpose three-phase load protection