Schneider A9N18359 | Acti9, Miniature circuit breaker (MCB), Acti9 C120N, 1P, 125A, C curve, 10000A (IEC/EN 60898-1), 10kA (IEC/EN 60947-2)

Technical Specifications

Electrical Specifications

• Product Type: Miniature Circuit Breaker (MCB)

• Series: Acti9 C120N

• Number of Poles: 1P (Single-Pole)

• Rated Current: 125A

• Tripping Curve: C Curve (Trips at 5 to 10 times the rated current)

• Breaking Capacity:

  • 10,000A (10 kA) as per IEC/EN 60898-1

  • 10 kA as per IEC/EN 60947-2

• Voltage Rating: 230V AC

• Frequency: 50/60 Hz

• Mounting Type: DIN Rail

Design and Build

• Compact and Modular Design: Saves space in electrical panels

• Material: High-quality, flame-resistant plastic housing

• Indicator Window: Displays ON/OFF status for quick circuit monitoring

• IP Protection Rating: IP20 (Protected against solid objects larger than 12.5mm)

Connections and Interfaces

• Terminal Type: Screw terminals for secure wiring connections

• Connection Capacity: Supports various wire sizes for flexibility

• Compatible with Acti9 Accessories: Can be integrated with auxiliary contacts, shunt trips, and Vigi earth leakage add-ons

Key Features

1. Reliable Overload and Short Circuit Protection

   • Ensures safe electrical operation by preventing excessive current flow.

2. C-Curve Tripping for Moderate Inrush Current Protection

   • Ideal for industrial machines, power distribution, and commercial loads.

3. High Breaking Capacity (10 kA)

   • Provides strong fault current protection, preventing damage to equipment and wiring.

4. 1-Pole Configuration

   • Suitable for single-phase electrical circuits.

5. Compliant with International Standards

   • Certified as per IEC/EN 60898-1 and IEC/EN 60947-2, ensuring safety and performance.

6. Compact and Space-Saving Design

   • Easily integrates into electrical distribution boards and control panels.

7. Durable and Long-Lasting

   • Made with high-quality materials for extended service life.

8. Quick and Easy Installation

   • DIN rail mounting allows for fast and secure installation.

9. Indicator Window for Easy Monitoring

   • Provides visual indication of circuit breaker status (ON/OFF).

Applications

1. Industrial Electrical Installations

• Used in factories, warehouses, and production facilities to protect high-power electrical circuits.

2. Commercial Buildings and Office Complexes

• Ensures safe electrical distribution in malls, offices, hotels, and hospitals.

3. Renewable Energy Systems

• Protects solar power systems, wind energy setups, and battery storage systems.

4. HVAC and Large Electrical Equipment

• Ideal for heating, ventilation, and air conditioning (HVAC) systems and large motors.

5. Data Centers and IT Infrastructure

• Safeguards server rooms and IT networks from electrical faults.

6. Power Distribution Panels

• Essential for main electrical panels in industrial and commercial facilities.