4This Siemens ITE JXD23B300 circuit breaker is a reliable and efficient choice for your electrical needs. With a maximum amperage of 300 and voltage of 240 V, it is suitable for a variety of applications. The on/off operation method and gray color make it easy to identify and manage your circuit breaker. This 3-pole, 3-phase circuit breaker is designed to provide optimum performance and reliability. It is compatible with a wide range of electrical equipment and supplies, making it a versatile option for your business and industrial needs. The model number JXD23B300 and current rating of 251-300 A ensure that you are getting a high-quality product that will meet your expectations.