ABB Tmax XT7S Molded Case Circuit Breaker

Feature & Principle

It belongs to ABB Tmax XT series high frame molded case circuit breaker. XT7S is S breaking grade, lower than XT7H. Adopts current limiting structure, equipped with Ekip Dip / Ekip Touch / Ekip Hi-Touch electronic trip unit, supports adjustable LSI or LSIG protection, power measurement and fault recording. It can expand communication module, auxiliary contact, shunt release and undervoltage release. Optional fixed installation or withdrawable drawer structure, with reliable mechanical interlock, widely used for industrial incoming cabinet, bus tie and heavy load feeder circuits.

Specifications

Model: XT7S Brand: ABB Series: Tmax XT Current range: 800A / 1000A / 1250A / 1600A Pole: 3P / 4P Rated voltage: 690 V AC Trip unit: Ekip Dip, Ekip Touch, Ekip Hi-Touch Protection: LSI, LSIG Icu@415V: 50kA Structure: Fixed / Withdrawable Standard: IEC 60947-2 Application: Industrial distribution cabinet, factory heavy feeder, building power supply Certification: CE, UL

Components & Diagnostics

Insulated housing, contact assembly, arc extinguishing chamber, Ekip electronic trip controller, operating mechanism, auxiliary switch and alarm contact. Common faults: contact overheating, abnormal tripping, trip parameter drift, communication failure, mechanism jamming.

Product Brief

XT7S molded case circuit breaker, ABB high current MCCB spare widely used for workshop low voltage power distribution cabinet maintenance and replacement.