Siemens 3VA1120-4GF42-0AA0

The 3VA11 circuit breaker is a low voltage device designed according to IEC standards, integrating a thermal-magnetic trip unit for reliable protection. It operates at a rated voltage of 690V and has a robust breaking capacity of 36kA at 415V and 7kA at 690V. The device is equipped with a TM240 trip unit that allows for adjustable overload and short-circuit protection settings, providing flexibility in various applications.

Key features include a 4-pole configuration, ensuring comprehensive line protection, and a nut keeper for secure connection via lug terminals. The adjustable overload release current can be set between 14A and 20A, while the short-circuit release setting ranges from 8 to 16 times the nominal current. With a built-in device construction suitable for installation, the 3VA11 breaker maintains an IP40 degree of protection, ensuring durability in diverse environments.

Dimensions for this model are 4 inches in width, 5.1 inches in height, and 3.5 inches in depth, making it compact for various installations. The device is manufactured in the Czech Republic and is designed for fixed built-in mounting techniques, offering a reliable solution for electrical distribution systems.