Siemens 3VA2710 SENTRON 3VA High Current MCCB

Feature & Principle

It is a high-current limiting molded case circuit breaker of Siemens SENTRON 3VA platform. It adopts modular electronic trip unit, adjustable overload, short delay and instantaneous short-circuit protection. It supports fixed installation and withdrawable drawer structure for convenient maintenance. Optional spring charging motor, auxiliary contacts, alarm switch and communication module for power monitoring and SCADA connection. It features high breaking capacity and compact outline, used for feeder and branch protection in large low-voltage distribution cabinets.

Specifications

Model: 3VA2710 Brand: Siemens Series: SENTRON 3VA27 Frame: 1600 frame Rated current In: 1000A Rated voltage: up to 690V AC Breaking capacity Icu: up to 55kA@415V Trip unit: ETU320 / ETU650 optional Structure: Fixed / withdrawable Communication: Modbus optional Application: Factory distribution cabinet, power plant auxiliary power, petrochemical low voltage feeder Certification: CE, IEC

Components & Diagnostics

Main contact assembly, arc extinguishing chamber, electronic trip unit, operating mechanism, energy storage spring, auxiliary switch, current transformer. Common faults: contact ablation, energy storage failure, trip misoperation, communication dropout, shunt release coil burnout.

Product Brief

3VA2710 molded case circuit breaker, Siemens SENTRON 3VA high-current distribution spare widely used for industrial low voltage power cabinet overhaul and replacement.