ABB SACE 1SDA048034R1 Isomax S1 Circuit Breaker

ABB SACE Isomax S1 1SDA048034R1 is a low-voltage molded-case circuit breaker in the Isomax S family, designed for distribution boards and switchgear. The model number corresponds to the S1N015TL variant, indicating a S1N (with neutral) trip unit configuration within ABB's Isomax S1–S8 lineup. As part of the SACE Isomax S line, this device shares the family’s general specifications: current ratings for the series range from Iu 125 A up to 3200 A and ultimate breaking capacities up to 200 kA at voltages in the 380–415 V range, with variants available in fixed, plug-in and withdrawable versions. The Isomax S1 is designed for low-voltage distribution and offers protection and switching functions for feeders, motors, and distribution panels, and ABB notes that Isomax S products have UL489/CSA C22.2 compliance in North America; the S1 family is manufactured by ABB SACE for global distribution. This particular part number, 1SDA048034R1, is catalogued by retailers as S1N015TL, confirming its neutral-enabled variant within the S1N product line.