3VA1140-3GE42-0AA0 | MCCB 40 A, 4 Pole, 25 kA, Adjustable O/L & Fixed S/C Settings, Thermal Magnetic Trip Unit (ATFM) – Siemens

The 3VA1140-3GE42-0AA0 is a high-performance Molded Case Circuit Breaker (MCCB) from Siemens, designed for reliable and efficient protection of electrical circuits. This MCCB is rated for a current of 40 A and features a 4-pole configuration, making it suitable for a wide range of industrial and commercial applications.

With a breaking capacity of 25 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.

The 3VA1140-3GE42-0AA0 is designed for easy installation and maintenance, with a compact and durable construction that ensures long-term reliability. It is ideal for use in distribution boards, control panels, and other electrical systems where dependable circuit protection is essential.

Key Features:

• Rated Current: 40 A
• Number of Poles: 4
• Breaking Capacity: 25 kA
• Trip Unit: Thermal Magnetic (ATFM)
• Overload Protection: Adjustable
• Short-Circuit Protection: Fixed
• Application: Industrial and Commercial

Applications:

The Siemens 3VA1140-3GE42-0AA0 MCCB is suitable for a variety of applications, including:

• Electrical distribution systems
• Motor control centers
• Power distribution panels
• Industrial machinery
• Commercial buildings

Benefits:

• High breaking capacity for enhanced safety
• Adjustable overload settings for customized protection
• Compact design for space-saving installation
• Durable construction for long-lasting performance
• Reliable thermal magnetic trip unit for precise fault detection

The 3VA1140-3GE42-0AA0 from Siemens is a versatile and dependable solution for protecting electrical circuits against overloads and short circuits, ensuring the safety and reliability of your electrical systems.