3VA1140-4GE42-0AA0 | MCCB 40 A, 4 Pole, 36 kA, Adjustable O/L & Fixed S/C Settings, Thermal Magnetic Trip Unit (ATFM) – Siemens

The 3VA1140-4GE42-0AA0 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 36 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 customization based on specific application requirements, while the magnetic trip unit offers fixed short-circuit (S/C) protection for immediate response to fault conditions.

The 3VA1140-4GE42-0AA0 is designed for easy installation and maintenance, featuring a compact and durable construction. It is ideal for use in distribution boards, motor control centers, and other electrical systems where reliable circuit protection is essential. This MCCB is part of Siemens’ 3VA series, known for its high quality, safety, and performance.

Key Features:

• Rated Current: 40 A
• Number of Poles: 4
• Breaking Capacity: 36 kA
• Trip Unit: Thermal Magnetic (ATFM)
• Overload Protection: Adjustable
• Short-Circuit Protection: Fixed
• Application: Industrial and Commercial
• Series: Siemens 3VA

Applications:

• Distribution Boards
• Motor Control Centers
• Electrical Panels
• Industrial Machinery
• Commercial Buildings

The 3VA1140-4GE42-0AA0 is a reliable and versatile solution for circuit protection, ensuring safety and efficiency in various electrical systems. Its advanced features and robust design make it a preferred choice for professionals seeking high-quality MCCBs.