Page 99 - Product Catalog V17 - Flip Book PDF

Air Circuit Breakers (ACB)

AIR CIRCUIT BREAKERS

Arc-flash protection 1
Emax 3 provides the option to integrate an active protection against arc-flash, to increase
operators’ safety and to reduce the risk of equipment damages, thanks to the fast detection
time:
• Fast protection with a total clearing times of less than 40 ms for swift response
• Extensive monitoring with up to 12 sensors (arc light and pressure) per circuit-breaker

Predictive maintenance
Emax 3 provides accurate predictions on when maintenance is needed, adapting estimations
on real usage information and breaker health:
• Improved predictive algorithm based on real installation data
• Local and remote access to next maintenance date
• Efficient planning of service activities

Measurement and accuracy
Emax 3 provides top performance in measurement capabilities and accuracy. Keeping power
and energy consumption under strict control, it reduces the need for external devices and
simplifies the measurement chain:
• Class 0.5 IEC 61557-12 certified for Active Power and Energy for best accuracy
• Total Harmonic Distortion THD and Total Demand Distortion TDD analysis
• Build-in network analyzer for power quality analysis
• Improved data loggers for advanced waveform capture

Temperature monitoring
Emax 3 enhances system reliability by offering multiple temperature monitoring solutions
at both device and system level. It enables data driven decisions based on collected
measurement to keep plant undercontrol:
• Ekip Temperature 4T to monitor up to 4 busbar temperatures
• Distributed wireless sensors to check temperature and humidity
• Internal temperature sensors to evaluate maintenance and protection strategies

Sense accessories
Emax 3 offers a new range of opening, closing and undervoltage coils, plus motor operators,
to monitor and communicate health status of such key accessories. It makes possible to
reduce unplanned downtime and to execute maintenance based on real condition and
usage.
• Real time check of key parameters such as voltage, current, operations duration, etc.
• Standard and Sense coils can be combined for monitoring and redundancy
• Sense accessories are also field mountable for upgrades at any time

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