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1SDA038676R1

The ABB 1SDA038676R1 is a three‑pole molded case circuit breaker (MCCB) from ABB’s SACE Isomax S5 series, configured with a PR212‑P electronic trip unit with LSI (Long‑Time, Short‑Time, and Instantaneous) protection and a 630 A rated current. This breaker provides selectable protection against overloads, short circuits, and instantaneous faults in three‑phase low‑voltage power distribution systems. The device features a fixed mounting with front connections and is designed for reliable circuit protection and coordination in industrial and commercial electrical installations.

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Technical Specifications Parameter Specification Part Number / Model ABB 1SDA038676R1 Product Type Molded Case Circuit Breaker (MCCB) Series / Family SACE Isomax S5 Trip Unit Type PR212‑P electronic release with LSI (Long‑Time, Short‑Time, Instantaneous) Number of Poles 3 poles (3P) Rated Current (In) 630 A Protection Functions Overload (L), Short‑Time (S), Instantaneous (I) Rated Operational Voltage (Ue) Up to 690 V AC typical Frame / Housing Fixed MCCB with front terminal connections IEC Utilization Category IEC 60947‑2 compliant Settings / Adjustments Adjustable trip parameters via PR212‑P release Auxiliary / Control Electronic trip unit for coordination and protection Mounting Panel / switchgear fixed installation Application Overload and fault protection in power distribution and industrial circuits Typical Accessories Auxiliary contacts, shunt trip, alarm contact modules (optional)