3VJ MCCB, Thermal Magnetic Trip Unit - 3VJ1225-5EB42-0AA0

Product Description

3VJ MCCB, Thermal Magnetic Trip Unit – 3VJ1225-5EB42-0AA0

The Siemens 3VJ1225-5EB42-0AA0 is a robust and reliable Molded Case Circuit Breaker (MCCB) from the 3VJ1 series, designed to provide efficient protection for low-voltage electrical distribution systems. Equipped with a Thermal Magnetic Trip Unit (ATFM), it delivers dependable protection against overload and short-circuit faults, ensuring the safety of electrical equipment, wiring, and connected loads.

This MCCB belongs to the 3VJ12 frame size (250 A class) and features a 4-pole configuration with a high breaking capacity of 36 kA at 415 V AC, making it suitable for demanding industrial and commercial applications. It is commonly used in PCC/MCC panels, industrial switchboards, OEM machinery, HVAC systems, and infrastructure power networks.

The compact molded case design and durable Siemens construction ensure long service life, high operational reliability, and easy integration into modern electrical distribution systems.

🔹 Key Features

• Siemens 3VJ1 series MCCB
• Part Number: 3VJ1225-5EB42-0AA0
• Thermal Magnetic Trip Unit (ATFM)
• Rated current: 250 A
• 4-pole configuration
• Breaking capacity: 36 kA @ 415 V AC
• Adjustable overload protection (Ir setting)
• Fixed magnetic short-circuit protection
• Compact molded case construction
• High electrical and mechanical endurance
• Secure screw terminal connections
• Suitable for industrial LT distribution systems
• Complies with IEC 60947-2 standards