3VM14405MH320AA0 | MCCB 400 A, 3 Pole, 55 kA, Adjustable S/C, Magnetic Trip Unit, For Motor Starter Protection – Siemens

Product Overview

The 3VM14405MH320AA0 is a Molded Case Circuit Breaker (MCCB) manufactured by Siemens, designed for motor starter protection. It features a 400 A current rating, 3 poles, and a high breaking capacity of 55 kA. This MCCB is equipped with an adjustable short-circuit (S/C) protection and a magnetic trip unit, making it ideal for applications requiring reliable motor protection.

Key Features

• Current Rating: 400 A
• Number of Poles: 3
• Breaking Capacity: 55 kA
• Trip Unit Type: Magnetic Trip Unit
• Short-Circuit Protection: Adjustable
• Application: Motor Starter Protection
• Brand: Siemens
• Model: 3VM14405MH320AA0

Detailed Features

• High Breaking Capacity: With a breaking capacity of 55 kA, this MCCB ensures reliable protection against short-circuit faults.
• Adjustable Short-Circuit Protection: The adjustable short-circuit protection allows for precise customization to match the specific requirements of the motor starter application.
• Magnetic Trip Unit: The magnetic trip unit provides instantaneous protection against short-circuit currents, ensuring quick response to fault conditions.
• Motor Starter Protection: Specifically designed for motor starter applications, this MCCB offers enhanced protection for motors, preventing damage due to overloads and short circuits.
• Robust Construction: Built with high-quality materials, the MCCB ensures durability and long service life even in demanding industrial environments.
• Easy Installation: The MCCB is designed for easy installation and integration into existing electrical systems.
• Compliance: Complies with international standards for safety and performance, ensuring reliable operation in various applications.

Applications

The 3VM14405MH320AA0 MCCB is suitable for a wide range of applications, including:

• Industrial motor control centers
• Motor starter panels
• Power distribution systems
• Manufacturing facilities
• Commercial buildings

Technical Specifications

Conclusion

The Siemens 3VM14405MH320AA0 MCCB is a high-performance circuit breaker designed for motor starter protection. With its adjustable short-circuit protection, magnetic trip unit, and robust construction, it offers reliable and efficient protection for motors in various industrial and commercial applications. Its high breaking capacity and compliance with international standards make it a trusted choice for critical electrical systems.