LV433479 Schneider Electric Molded Case Circuit Breakers (MCCB)

Out if stock but available for backorder.

Schneider Electric LV433479 is a Moulded Case Circuit Breaker (MCCB) within the NSX250HB1 sub-range, designed for lug connection and equipped with 4 poles. It features thermal protection for overload scenarios and magnetic protection for short-circuit conditions. The rated current of this MCCB is 125A, with a rated insulation voltage (Ui) of 800 V. Protection settings include over-current adjustable from 0.7 - 1.0 x In, a short-circuit pickup current fixed at 1250A, and a fully protected neutral pickup current of 1 x Ir. It has a rated impulse voltage (Uimp) of 8 kV and a trip current rating of 125 AT, with a frame current rating of 250 AF. The mechanical durability of the LV433479 is rated at 20,000 operations without load and its electrical durability is rated at 10,000 operations at 690Vac with half the rated current (In/2) and 5,000 operations at 690Vac with the rated current (In). The rated voltage for phase-to-phase connections is 690 V, and all four poles are protected. The trip unit type is a TMD Interchangeable Thermal-Magnetic, adjustable, and it falls under utilisation category A.