Get Yours Siemens / ITE CJ3B300 – 300A 3 Pole Molded Case Circuit Breaker

Rated at 100kAIC, this 300A current-limiting molded case circuit breaker protects commercial distribution systems. The 3-pole, 600VAC Siemens CJ3B300 severely restricts let-through fault current to safeguard downstream equipment. This bolt-on MCCB fits legacy ITE motor control centers and CDP panelboards. It provides a direct replacement solution, avoiding the need for a CJD63B300 retrofit kit. It features reliable thermal-magnetic trip technology and integrally fused Amp-Trap limiters.