Siemens 3VA5110-4ED11-1AA0

The 3VA51 circuit breaker is designed for low voltage applications, providing reliable line protection with a thermal-magnetic trip unit. With a rated current of 100A and a standard breaking capacity of 25kA at 277V, this device is suitable for diverse electrical systems. It operates at a maximum voltage of 415V and is classified under UL 489 SB (naval), making it ideal for marine environments where temperatures can reach up to 50°C.

This unit features a fixed overload protection setting at Ir=100A and a short-circuit protection of Ii=10 x In, ensuring robust performance under fault conditions. The dimensions of the device are 1 x 5.5 x 3.7 inches, allowing for integration in compact spaces. Additionally, it has an IP40 degree of protection, ensuring reliability in various operational environments.

The circuit breaker is configured for installation on a DIN rail, facilitating easy mounting. It does not include auxiliary contacts or integrated earth fault protection, simplifying its design for straightforward applications. The device is constructed as a built-in device with fixed built-in technique, ensuring durability and consistent operation.