The Square D LLL47100D40ABUOYP is a 1200 Amp, 4 Pole, 600VDC circuit breaker with aminimum rating of 50kA. This power pact circuit breaker is designed and manufactured by Square D in the United States, known for its high-quality electrical equipment and supplies. It is reliable and efficient in providing power distribution for various industrial and commercial applications, making it a valuable asset for electrical systems requiring dependable circuit protection.