Legrand MCB Circuit Breaker 419918B 4P 20A 6kA

Legrand MCB Circuit Breaker 419918B 4P 20A 6kA

The Legrand MCB 419918B 4P 20A 6kA is a miniature circuit breaker designed to protect electrical systems from overloads and short circuits. This product belongs to Legrand’s MCB (Miniature Circuit Breaker) series and features a 4-pole design, suitable for three-phase electrical systems, providing comprehensive protection for all three phases and the neutral wire. With a rated current of 20A, it is ideal for both residential and industrial electrical systems that require high power capacity and reliable safety.

Its compact and modern design makes it suitable for various environments such as offices, homes, and light industrial facilities.

Key Features

• Overload and Short-Circuit Protection:
  With a breaking capacity of up to 6kA, this MCB can quickly disconnect the circuit when an overload or short-circuit occurs, protecting electrical devices and systems from damage.

• High Breaking Capacity:
  Offers a breaking capacity of 10kA at 230V and 6kA at 400V, meeting safety standards for both residential and industrial electrical applications.

• Compact and Easy Installation:
  The slim and lightweight design allows for quick and simple installation in standard electrical panels, saving space and optimizing installation efficiency.

• Rated Current 20A:
  Suitable for high-load applications, this device provides reliable protection for industrial and residential systems that require higher power handling.

• High Durability and Stability:
  Manufactured using advanced Legrand technology, ensuring long-lasting durability, reliable operation, and stable performance even under harsh conditions.

• Complies with International Standards:
  The Legrand MCB meets IEC 60898 international safety and quality standards, ensuring maximum protection and user safety.

Technical Specifications

• Product Code: 419918B

• Rated Current: 20A

• Rated Voltage: 400V

• Mounting Depth: 44 mm

• Trip Curve: C

• Number of Poles: 4

• Rated Insulation Voltage (Ui): 400V

• Rated Impulse Withstand Voltage (Uimp): 4kV

• Rated Short-Circuit Breaking Capacity (Icn) per EN 60898:

  • 10kA at 230V

  • 6kA at 400V

• Rated Ultimate Short-Circuit Breaking Capacity (Icu) per IEC 60947-2:

  • 10kA at 230V

  • 6kA at 400V

• Voltage Type: AC

• Frequency: 50–60Hz

• Current Limiting Class: 3

• Pollution Degree: 2

• Protection Degree (IP): IP20

• Dimensions (H × W × D): 88.8 × 71.2 × 77.3 mm

• Impact Resistance (IK): IK04

• Storage Temperature: -25°C to +60°C

• Color: Grey (RAL 7035)

Contact for Consultation

We specialize in providing a wide range of Legrand electrical equipment, including cable systems, sockets, brackets, electrical panels, and complete integrated solutions for construction and infrastructure projects.

We are committed to supplying genuine Legrand products, imported directly from the manufacturer, complete with full documentation, warranty, and international-standard technical support.

Stay updated with the latest news on our Fanpage: Legrand.