3VA5222-6ED31-1AA0 SIEMENS

The 3VA5222-6ED31-1AA0 is a robust 3-pole circuit breaker from Siemens, designed for reliable line protection in various electrical systems. It falls under the 3VA5 UL frame 250, indicating its physical size and mounting compatibility. This circuit breaker boasts a high breaking capacity class H, capable of interrupting fault currents up to 65kA at 480V, ensuring safety and preventing damage to connected equipment. Equipped with a TM210 trip unit, it offers precise overload protection with a fixed current setting of Ir=225A, safeguarding against prolonged overcurrent conditions. The fixed short-circuit protection Ii is set at 10 times the rated current (In=225A), providing rapid response to high-magnitude short circuits. Compliant with UL 489 standards and designated as SB (naval), this circuit breaker meets stringent requirements for marine applications. It is designed to operate reliably at 50 degrees Celsius without derating. Note that this model is supplied without connection terminals, allowing for flexible connection options based on specific installation needs. This circuit breaker provides robust and reliable protection for electrical circuits.