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eABC - Advanced Breathing Cap

The Advanced Breathing Cap (eABC) combines battery breathing, venting and thermal run-away detection in one product.

  

Use of an H2 sensor for fast and stable detection.

Our compact solution for enhanced battery safety by early fault detection, real time pressure equalization and compliance with BEV safety regulations.
eABC - Advanced Breathing Cap

Benefits & features

  • Enhanced passenger safety and support of regulations (5 min early detection), even when the vehicle is parked
  • Gas detection near the breathing cap is more reliable and effective compared to stand-alone sensors
  • Mounted on the outside the battery enclosure simplifies maintenance and replacement
  • Space-saving design and cost-effective solution
  • Balances internal & external pressure while offering protection against water and dust
  • Breathing cap design and sensorics can be customized
eABC - Advanced Breathing Cap (front view)
eABC - Advanced Breathing Cap (front view)

Technical data

  • Sensing:
    • Thermal conductivity based H2 sensor
    • Fast Response Time < 100ms
    • H2 measurement range: 0% to 16%
    • I2C or CAN communication interface to BMS
  • Breathing/Venting:
    • Air flow: 3 l / min @ 25 mbar​
    • Emergency degassing: 400 mbar
    • Protection class: IP67 or IP68
    • Operating Temperature: -40 °C to +105 °C
Find here the information sheet

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