ABB TMAX XT4N Circuit Breaker

Feature & Principle

It is ABB SACE Tmax XT series molded case circuit breaker. XT4 is 250A frame size, N stands for standard breaking capacity. It can be equipped with TMA thermal-magnetic release or Ekip electronic LSI release. It provides overload long delay, short-circuit short delay and instantaneous protection. Optional Bluetooth communication, remote monitoring and parameter setting. Fixed or plug-in installation, suitable for AC and DC low voltage power distribution, motor and generator protection.

Specifications

Model: TMAX XT4N Brand: ABB Series: SACE Tmax XT Frame current: 160A / 250A Pole: 3P / 4P Icu: 36kA @415V AC Trip unit: TMA thermomagnetic, Ekip LSI electronic Rated voltage: Up to 690V AC, 750V DC Communication: Ekip with Bluetooth optional Installation: Fixed, plug-in Application: Low voltage distribution cabinet, motor control, generator protection Certification: CE, IEC60947, UL optional

Components & Diagnostics

Molded housing, contact system, arc extinguishing chamber, trip unit, operating mechanism, auxiliary contact. Common faults: contact ablation, tripping failure, abnormal heating, trip unit drift, arc chamber pollution.

Product Brief

TMAX XT4N moulded case circuit breaker, ABB low voltage power distribution protection spare widely used for distribution cabinet overhaul and replacement.