Siemens JXD63B300

The Siemens JXD63B300 is a robust circuit breaker from the Sentron Series designed to handle three-phase electrical systems. This 3-pole molded case breaker is rated for 300 amps and can operate safely at up to 600 volts, with a short-circuit interrupting capacity of 35kA at 480 volts. It features a thermal magnetic trip unit that is fixed and non-interchangeable, ensuring reliable protection against overloads and short circuits. The breaker is bolt-on style for secure installation, though lugs are not included. Distributed by BSP Automation, the Siemens JXD63B300 is well-suited for industrial applications requiring dependable circuit protection.