Schneider A9N18481 | Miniature circuit-breaker, Acti9 C120H, 4P, 125 A, C curve, 15000 A (IEC 60898-1), 15 kA (IEC 60947-2)

Technical Specifications

Electrical Specifications

• Product Type: Miniature Circuit Breaker (MCB)

• Series: Acti9 C120H

• Number of Poles: 4P (Four-Pole)

• Rated Current: 125A

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

• Breaking Capacity:

  • 15,000A (15 kA) as per IEC 60898-1

  • 15 kA as per IEC 60947-2

• Voltage Rating: 400V AC

• Frequency: 50/60 Hz

• Mounting Type: DIN Rail

Design and Build

• Robust and Durable Construction: Suitable for demanding industrial environments

• 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 a wide range of wire sizes

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

Key Features

1. High-Performance Protection

   • Prevents overloads and short circuits, ensuring circuit safety and stability.

2. C-Curve Tripping

   • Ideal for circuits with moderate inrush currents, such as industrial machinery, motors, and commercial lighting systems.

3. Strong Breaking Capacity (15 kA)

   • Ensures reliable operation even in high-fault current environments.

4. 4-Pole Configuration

   • Provides complete protection in three-phase + neutral electrical systems.

5. Compliant with International Standards

   • Meets IEC 60898-1 and IEC 60947-2, guaranteeing safety and performance.

6. Compact and Space-Saving

   • Fits easily into electrical distribution boards and industrial 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 in distribution panels.

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 systems.

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.