3VA1440-5MH32-0AA0 | MCCB 400 A, 3 Pole, 55 kA, Adjustable S/C, Magnetic Trip Unit, For Motor Starter Protection – Siemens

The 3VA1440-5MH32-0AA0 is a high-performance Molded Case Circuit Breaker (MCCB) from Siemens, designed for robust motor starter protection and reliable circuit protection in industrial and commercial applications. This MCCB features a 400 A current rating and a 3-pole configuration, making it suitable for three-phase electrical systems.

Key Features:

• Current Rating: 400 A
• Number of Poles: 3 Pole
• Breaking Capacity: 55 kA
• Trip Unit: Magnetic Trip Unit with adjustable short-circuit (S/C) protection
• Application: Specifically designed for motor starter protection
• Brand: Siemens

Applications:

This MCCB is ideal for protecting motors, transformers, and other electrical equipment in industrial and commercial environments. Its adjustable short-circuit protection ensures precise and reliable operation, while the magnetic trip unit provides fast response to fault conditions.

Technical Specifications:

• Voltage Rating: Up to 690 V AC
• Frequency: 50/60 Hz
• Mounting: Fixed or plug-in options available
• Standards Compliance: IEC 60947-2, IEC 60947-4-1

Benefits:

• High breaking capacity ensures reliable protection in demanding applications.
• Adjustable short-circuit settings allow for customized protection.
• Compact design saves space in electrical panels.
• Durable construction ensures long service life.