Product Description – 3VM11403EE320AA0 | MCCB 40 A, 3 Pole, 25 kA

Overview

The 3VM11403EE320AA0 is a Molded Case Circuit Breaker (MCCB) manufactured by Siemens. It is designed for reliable protection of electrical circuits against overloads and short circuits. This MCCB is suitable for a wide range of applications in industrial, commercial, and residential settings.

Key Features

• Rated Current: 40 A
• Number of Poles: 3 Pole
• Breaking Capacity: 25 kA
• Trip Unit: Thermal Magnetic Trip Unit (ATFM)
• Overload Protection: Adjustable
• Short Circuit Protection: Fixed Settings
• Mounting: Fixed Type
• Standards Compliance: IEC 60947-2
• Operating Temperature: -25°C to +70°C
• Terminal Type: Screw Clamp
• Mechanical Life: 20,000 Operations
• Electrical Life: 10,000 Operations

Detailed Features

Thermal Magnetic Trip Unit (ATFM)

The MCCB is equipped with a Thermal Magnetic Trip Unit (ATFM) that provides reliable protection against overloads and short circuits. The thermal element protects against overloads, while the magnetic element provides instantaneous protection against short circuits.

Adjustable Overload Protection

The overload protection settings are adjustable, allowing for customization based on the specific requirements of the electrical circuit. This feature ensures optimal protection and flexibility in various applications.

Fixed Short Circuit Protection

The short circuit protection settings are fixed, providing consistent and reliable protection against short circuit conditions. This ensures the safety of the electrical system and connected equipment.

High Breaking Capacity

With a breaking capacity of 25 kA, this MCCB can handle high fault currents, making it suitable for use in demanding environments where high levels of electrical protection are required.

Robust Construction

The MCCB is built with a robust and durable design, ensuring long-term reliability and performance. It is resistant to environmental factors such as temperature fluctuations and mechanical stress.

Compliance with Standards

The 3VM11403EE320AA0 complies with the IEC 60947-2 standard, ensuring that it meets international safety and performance requirements for circuit breakers.

Applications

This MCCB is suitable for a wide range of applications, including:

• Industrial control panels
• Commercial buildings
• Residential complexes
• Power distribution systems
• Motor protection circuits

Conclusion

The 3VM11403EE320AA0 MCCB from Siemens is a high-performance circuit breaker designed to provide reliable protection for electrical circuits. With its adjustable overload protection, fixed short circuit protection, and high breaking capacity, it is an ideal choice for a variety of applications requiring robust and dependable electrical protection.