3VJ MCCB, Thermal Magnetic Trip Unit - 3VJ1332-5DB32-0AA0

Product Description

3VJ MCCB, Thermal Magnetic Trip Unit – 3VJ1332-5DB32-0AA0

The Siemens 3VJ1332-5DB32-0AA0 is a robust and reliable Molded Case Circuit Breaker (MCCB) from the 3VJ1 series, designed for efficient protection of low-voltage power distribution systems in industrial and commercial applications. It is equipped with a Thermal Magnetic Trip Unit (ATFM) that provides dependable protection against overload and short-circuit faults, ensuring safe and stable operation of electrical networks.

This model belongs to the 3VJ13 frame size (320 A class) and features a 3-pole configuration, making it suitable for medium to heavy-duty distribution systems. It is widely used in PCC panels, MCC panels, industrial switchboards, HVAC systems, OEM machinery, and infrastructure installations.

The breaker offers a higher breaking capacity variant (up to 36 kA @ 415 V AC depending on configuration), giving improved fault-handling performance compared to standard versions, making it suitable for demanding electrical environments.

🔹 Key Features

• Siemens 3VJ1 series MCCB
• Part Number: 3VJ1332-5DB32-0AA0
• Thermal Magnetic Trip Unit (ATFM)
• Rated current: 320 A
• 3-pole configuration
• High breaking capacity (up to 36 kA @ 415 V AC)
• Reliable thermal overload protection
• Instantaneous magnetic short-circuit protection
• Adjustable overload & fixed short-circuit settings
• Compact molded case construction
• High electrical and mechanical endurance
• Suitable for industrial LT distribution systems
• Screw-type terminal connections
• Complies with IEC 60947-2 standards