Siemens Tiastar 300A Breaker Feeder - 480V/3P
300A | 480V/3P | 400A Frame | 42kAIC | MCCB Protected
This Siemens Tiastar 300A breaker feeder MCC bucket is designed for continuous duty cycles. Featuring a 400A frame molded case circuit breaker rated at 480V with 42kAIC interrupting capacity, this single-compartment feeder provides reliable branch circuit protection and power distribution. The 300A trip rating ensures precise overcurrent protection, minimizing maintenance costs while maximizing equipment longevity. Ideal for petrochemical plants, water treatment facilities, and manufacturing floors, this plug-in bucket module allows rapid installation and service without de-energizing the entire MCC lineup. The Tiastar platform supports standardized bucket replacement, reducing mean time to repair and minimizing maintenance costs while maximizing equipment longevity. Every unit ships fully tested and wired, meeting UL 845 and NEC Article 240/430 requirements.