ABB Tmax XT7M Energy Stored Molded Case Circuit Breaker

Feature & Principle

It belongs to ABB Tmax XT series large frame molded case circuit breaker. XT7M version is equipped with built-in spring stored energy operating mechanism, supports motor charging for remote closing control. Matched with Ekip electronic trip unit, it realizes multi-section protection, power monitoring and communication. Available in fixed and withdrawable structures, suitable for heavy current feeder protection.

Specifications

Model: XT7M Brand: ABB Series: Tmax XT Current range: 800 ~ 1600A Rated voltage: up to 690V AC Trip unit: Ekip Dip / Ekip Touch / Ekip Hi-Touch optional Structure: Fixed / withdrawable Communication: Modbus, Profibus optional Application: Factory distribution cabinet, power plant auxiliary power, petrochemical low voltage feeder Certification: CE, IEC, UL

Components & Diagnostics

Main contact assembly, arc extinguishing chamber, Ekip electronic trip unit, spring energy storage mechanism, motor charging device, current transformer. Common faults: contact ablation, energy storage failure, trip unit abnormal, communication offline, coil burnout.

Product Brief

XT7M molded case circuit breaker, ABB Tmax XT high-current distribution spare widely used for industrial power cabinet overhaul and replacement.