3VJ1332-7DB32-0AA0 | MCCB 320 A, 3 Pole, 55 kA, Adjustable O/L & Fixed S/C Settings, Thermal Magnetic Trip Unit (ATFM) – Siemens

The 3VJ1332-7DB32-0AA0 is a high-performance Molded Case Circuit Breaker (MCCB) manufactured by Siemens, designed for reliable and efficient electrical protection in industrial and commercial applications. This MCCB is rated for a current of 320 A and features a 3-pole configuration, making it suitable for three-phase power systems.

With a breaking capacity of 55 kA, this circuit breaker ensures robust protection against short circuits and overloads, safeguarding electrical equipment and systems from damage. The Thermal Magnetic Trip Unit (ATFM) provides precise and reliable tripping characteristics, combining both thermal and magnetic protection mechanisms.

The adjustable overload (O/L) settings allow for customization based on specific application requirements, while the fixed short-circuit (S/C) settings ensure consistent and reliable protection against high fault currents. This MCCB is ideal for use in distribution boards, motor control centers, and other critical electrical systems where safety and reliability are paramount.

Siemens’ commitment to quality and innovation is evident in the design and performance of the 3VJ1332-7DB32-0AA0, making it a trusted choice for engineers and electricians worldwide.

Key Features:

• Current Rating: 320 A
• Number of Poles: 3
• Breaking Capacity: 55 kA
• Trip Unit: Thermal Magnetic (ATFM)
• Overload Protection: Adjustable
• Short-Circuit Protection: Fixed Settings
• Application: Industrial and Commercial Electrical Systems

Applications:

• Distribution Boards
• Motor Control Centers
• Power Distribution Systems
• Industrial Machinery
• Commercial Buildings

Benefits:

• High breaking capacity for reliable protection
• Adjustable overload settings for flexibility
• Robust thermal magnetic trip unit for precise tripping
• Durable design for long-lasting performance
• Compliance with international standards