3VJ1112-7EB42-0AA0 | MCCB 125 A, 4 Pole, 55 kA, Adjustable O/L & Fixed S/C Settings, Thermal Magnetic Trip Unit (ATFM) – Siemens

The 3VJ1112-7EB42-0AA0 is a high-performance Molded Case Circuit Breaker (MCCB) manufactured by Siemens, designed to provide reliable protection for electrical circuits. This MCCB is rated for a current of 125 A and features a 4-pole configuration, making it suitable for a wide range of industrial and commercial applications.

With a breaking capacity of 55 kA, this circuit breaker ensures robust protection against short circuits and overloads. It is equipped with a Thermal Magnetic Trip Unit (ATFM), which combines both thermal and magnetic tripping mechanisms for precise and reliable operation. The thermal trip unit provides adjustable overload (O/L) protection, allowing users to fine-tune the settings according to specific application requirements. The magnetic trip unit offers fixed short-circuit (S/C) protection, ensuring rapid response to fault conditions.

Key features of the 3VJ1112-7EB42-0AA0 include:

• Rated Current: 125 A
• Number of Poles: 4
• Breaking Capacity: 55 kA
• Trip Unit Type: Thermal Magnetic (ATFM)
• Overload Protection: Adjustable
• Short-Circuit Protection: Fixed
• Brand: Siemens

This MCCB is ideal for use in distribution boards, control panels, and other electrical systems where reliable circuit protection is essential. Its durable construction and advanced trip unit ensure long-lasting performance and safety in demanding environments.