Siemens 3VA2140-8HK46-0AA0

The 3VA21 circuit breaker is designed for low voltage applications and features a high breaking capacity classified as Class L. It accommodates a rated current of 40A and is capable of handling a short-circuit breaking capacity of 150kA at 415V, with a rated voltage of 690V. The electronic trip unit ETU340 provides line protection with overload settings adjustable between 16A and 40A. This unit is equipped with a 4-pole configuration, enhancing its utility in multi-phase applications.

Special design elements include a connection method utilizing box terminals with steel wrap-around lugs, ensuring secure and reliable electrical connections. The dimensions of the device are 5.5 inches in width, 7.1 inches in height, and 4.2 inches in depth, making it suitable for various mounting options, including DIN rail installations. The device construction is fixed built-in with a front-side connection for the main current circuit, which simplifies installation and maintenance.

This circuit breaker is also compliant with relevant standards, offering essential features such as IP40 protection, ensuring that it is suitable for use in various industrial environments.