3VJ MCCB, Thermal Magnetic Trip Unit - 3VJ1332-3EA42-0AA0

Product Description

3VJ MCCB, Thermal Magnetic Trip Unit – 3VJ1332-3EA42-0AA0

The Siemens 3VJ1332-3EA42-0AA0 is a reliable and compact Molded Case Circuit Breaker (MCCB) from the 3VJ1 series, designed for efficient protection of low-voltage electrical distribution systems in industrial and commercial applications. It is equipped with a Thermal Magnetic Trip Unit (ATFM/FTFM type) that provides dependable protection against overload and short-circuit faults, ensuring safe and stable operation of electrical networks.

This MCCB belongs to the 3VJ13 frame size (320 A class) and features a 4-pole configuration, making it suitable for three-phase + neutral protection in distribution systems. With a breaking capacity of approximately 25 kA at 415 V AC, it is widely used in PCC panels, MCC panels, industrial switchboards, OEM equipment, HVAC systems, and infrastructure projects.

The breaker offers a robust molded case design, fixed thermal and magnetic settings, and strong Siemens engineering reliability for long service life and consistent performance.

🔹 Key Features

• Siemens 3VJ1 series MCCB
• Part Number: 3VJ1332-3EA42-0AA0
• Thermal Magnetic Trip Unit
• Rated current: 320 A
• 4-pole configuration
• Breaking capacity: 25 kA @ 415 V AC
• Fixed overload and short-circuit settings
• Reliable thermal overload protection
• Instantaneous magnetic trip for short circuits
• Compact molded case construction
• High electrical and mechanical durability
• Suitable for industrial LT distribution systems
• Screw-type terminal connections
• Complies with IEC 60947-2 standards