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Hold down and release actuators

Cell bypass switches

Eaton's cell bypass switches can be used to permanently open or close single or multiple electrical circuits in response to fault conditions such as failed battery or solar-panel cells. These space-rated electrical switches have a heritage-proven track record of efficiency and reliability:

主要機能

  • Lower voltage drops than diode-bypass systems; < 20mV @ 100A and 40mV @ 200A.
  • When compared to relays, Eaton's cell-bypass switches provide faster response times, reduced weight, and increased reliability especially in high shock and vibration environments.
  • Satellite flight heritage includes G&H Technology solutions.
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Extensive range of heritage-proven capabilities

  • Cable releases utilize split-spool initiators as hold down preloading assemblies and cables as hold down release actuators.
  • Multiple-test sequences can be performed by field replacement of the initiators which typically costs less than 20% of the expense of replacing one shot, pyrotechnic devices.
  • Field-resetable mechanical initiators (right end of depicted solution) replace one of the electrical initiators to enable multiple test releases without the need for refurbishments.