The Siemens BQD330 3 Pole 30 Amp 277v Circuit Breaker is a high-quality electrical component suitable for interior use. With a maximum amperage of 30A and thermal overload protection, it offers reliable protection for electrical circuits. This bolt-on circuit breaker features a screw terminal electrical connection and is designed for easy on/off operation. The black color and compact design make it a versatile option for various applications. With a current rating of 16-30A and voltage range of 451-500V, the Siemens BQD330 is a dependable choice for circuit protection in industrial and commercial settings.