3VJ10 MCCB, Thermal Magnetic Trip Unit - 3VJ1012-1EB42-0AA0

Product Description

Siemens 3VJ10 MCCB with Thermal Magnetic Trip Unit – 3VJ1012-1EB42-0AA0

The Siemens 3VJ1012-1EB42-0AA0 is a Molded Case Circuit Breaker (MCCB) from the SENTRON 3VJ10 series, designed for reliable protection of low-voltage electrical systems against overload and short-circuit faults. This 4-pole MCCB is equipped with a Thermal Magnetic Trip Unit (ATFM type), offering adjustable overload protection and fixed short-circuit protection, making it suitable for industrial and commercial power distribution applications.

It is commonly used in LT panels, MCC/PCC systems, feeder circuits, and distribution boards, where full-phase + neutral protection and stable fault interruption are required.

Key Features:

• Siemens SENTRON 3VJ10 series MCCB
• Part Number: 3VJ1012-1EB42-0AA0
• 4-pole molded case circuit breaker
• Thermal Magnetic Trip Unit (ATFM type)
• Rated current: 125A
• Frame size: 3VJ10 (125A frame)
• Adjustable overload protection (Ir ≈ 100–125A)
• Fixed short-circuit protection (Ii ≈ 10 × In)
• Breaking capacity: 18kA at 415V AC
• Compact and robust industrial MCCB design
• Suitable for 3-phase + neutral switching applications
• Reliable protection for feeder and distribution circuits
• Screw terminal connection for secure wiring
• Complies with IEC 60947-2 standards