ABB 1SDA020906R1 Industrial Molded Case Circuit Breaker

ABB SACE Isomax S3 D 100 is a 3‑pole molded‑case circuit breaker (MCCB) in ABB’s industrial Isomax S3 family, with a rated current of 100 A and model designation S3D100W. The unit carries part number 1SDA020906R1 and is intended for use in industrial power distribution to protect circuits from overload and short circuits in three‑phase systems. As a D‑frame variant in the Isomax S3 line, it is designed for installation in switchboards, motor control centers, and panel boards where compact, reliable protection is required. The Isomax S3 family is built for rugged industrial environments and provides coordination with standard MCCB accessories for configuration and replacement in existing installations. This specific 1SDA020906R1 part corresponds to a 3‑pole 100 A Isomax S3D100W device suitable for applications requiring dependable, field‑installable protection in three‑phase electrical systems.