Disable Preloader

Van an toàn

This device is installed on transformer…etc as a safety device which, in case of abnormal pressure rise is imposed by default or some serious accident inside the unit, will push up the cover of pressure relief device to discharge the internal pressure built up to outside, operating alarm or circuit breaker …etc by means of letting the contact make

Thông tin

When the internal pressure has come down, the device is so arranged thet the cover will be automatically returned to the original status so as for the air-proof to be maintained.

Feature

  • In this device, the air tightness is ensured by means of providing double Oring sealing between the case and cover.
  • An indicator (target type) is provided on the device in order to facilitate the confirmation of the device performance even from a place of distance.
  • The contactors incorporated in this device are micro switched of airproof
  • Model name PR
  • There are 4 types available. PR100, PR150, PR200 and PR250. Based on transformer size.
  • Pressure relief value can be seted when order from 0.04 to 0.1Mpa
  • Contact rating AC125/250V5A, DC125/250-0.5/0.25A
  • Protective structure IP65

Option

  • More than 01 microswitch is available
  • Bigger size is a option when order