Square D BJA36100U Molded Case Circuit Breaker is a 100 A, 3-pole device rated for 480 V. As a molded-case circuit breaker from Square D (Schneider Electric), it provides overcurrent protection for three‑phase power circuits in distribution panels and industrial equipment. The model number BJA36100U denotes this 100 A, 3-pole, 480 V unit within the Square D BJA line.
