Affordable Siemens SJD69400 – 400A 3 Pole Molded Case Circuit Breaker

Engineered for commercial and industrial applications, the Siemens SJD69400 is a 3-pole, 400A MCCB from the Sentron JD Frame family. It features a Sensitrip III electronic trip unit, offering precise coordination through adjustable long-time and instantaneous (LI) settings. Rated for 65kAIC at 240VAC, this unit-mount breaker installs into Siemens P4, P5, and SPP panelboards. For future upgrades, this legacy-compatible unit can be replaced by the 3VA Series using a retrofit kit.