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)
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.