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

Product Description

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

The Siemens 3VJ1225-3EB42-0AA0 is a reliable Molded Case Circuit Breaker (MCCB) from the 3VJ1 series, designed for protection of low-voltage electrical distribution systems. It uses a thermal magnetic trip unit (ATFM) to provide dependable protection against overload and short-circuit faults, ensuring safety of cables, switchboards, and connected equipment.

This MCCB is widely used in industrial panels, commercial distribution boards, OEM systems, and infrastructure installations, where compact design, stable performance, and strong fault interruption capability are required.

According to Siemens technical data, the 3VJ12 frame (250 A class) offers a breaking capacity of 25 kA at 415 V AC, with adjustable overload protection and fixed magnetic short-circuit protection, making it suitable for medium-duty industrial applications.

🔹 Key Features

• Siemens 3VJ1 series MCCB
• Part Number: 3VJ1225-3EB42-0AA0
• Thermal Magnetic Trip Unit (ATFM)
• Rated current: 250 A
• 3-pole configuration
• Breaking capacity: 25 kA @ 415 V AC
• Adjustable overload protection (Ir setting)
• Fixed short-circuit magnetic protection (Ii setting)
• Compact molded case design for panel efficiency
• Screw-type terminal connections for secure wiring
• High electrical and mechanical endurance
• Suitable for LT switchboards and power distribution systems
• Complies with IEC 60947-2 standards