Siemens 3VA2040-8KQ36-0AA0

The 3VA20 3P 40A 150KA ETU8-LSIG BOX is a low voltage molded case circuit breaker designed for high-performance applications. It incorporates an electronic trip unit (ETU860) that includes metering capabilities, ensuring precise monitoring of electrical parameters.

With a rated voltage of 690 V, this circuit breaker has an exceptionally high breaking capacity classified as Class L, which is critical for protecting electrical circuits under fault conditions. Specifically, it can handle 150 kA at 415 V and 24 kA at 690 V, making it suitable for various industrial environments.

Dimensions of the device are 4.1 inches in width, 7.1 inches in height, and 4.2 inches in depth. It features a front-side connection for the main current circuit and is equipped with a rocker lever control element. The overload release current can be set between 16 A and 40 A, allowing for tailored overload protection, while the short-circuit protection settings range from 0.6 to 10 times the rated current.

Additionally, the device includes integrated earth fault protection and is suitable for DIN rail mounting, providing flexibility in installation options. The IP40 degree of protection ensures its reliability in various operational settings.