3VA5111-6ED21-1AA0 SIEMENS

The 3VA5111-6ED21-1AA0 is a robust and reliable circuit breaker from Siemens, designed for line protection in various electrical systems. This 3VA5 UL frame 125 circuit breaker offers a breaking capacity class H, capable of interrupting fault currents up to 65kA at 480V. It features a 2-pole configuration, making it suitable for single-phase applications. The trip unit TM210, FTFM, provides comprehensive protection with a fixed thermal overload setting (Ir) of 110A, matching the rated current (In). Additionally, it incorporates a fixed magnetic short-circuit protection (Ii) set at 10 times the rated current (10 x In), ensuring rapid response to short-circuit events. This circuit breaker is UL 489 certified and suitable for SB (naval) applications, demonstrating its compliance with stringent safety standards. It is designed to operate reliably at 50 degrees Celsius without derating. Note that this model is supplied without connection terminals, offering flexibility in selecting appropriate connection methods for the specific application. This feature allows for tailored installation based on wiring requirements and space constraints. The 3VA5111-6ED21-1AA0 is an ideal choice for applications requiring dependable circuit protection and adherence to UL standards.