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Đồng hồ chỉ thị mức dầu MBA

This dial oil level gauge is mounted on conservator and the like on oil-immersed transformer and indicates fluctuation of oil level on dial plate.

When the oil level reaches to predetermined lower limit (upper limit) level, a built-in micro switch is closed to emit alarms signal

Thông tin

  • The indicating face is tillted 20o downward so oil level may be read easily even through it is mounted at hrights.
  • Float and indicating sides are isolated at bottom of casting of case, and oil level is transmitted and indicated throught magnet coupling method
  • A stopper is placed on the dial plated in order to protect reversal of indicating needle caused by shock and orthers.
  • The terminal for communication equipment is used for alarmcontact terminals, and terminal box is provided.
  • The joint surface of indicating section is sealed by Oring, and absorbent is placed inside to protect dew condensation.
  • Name model: OG170
  • There are 02 type OG170 available. OG170 for tank conservator and OG170 for OLTC NLTC conservator.
  • Material of float: NBR (Acrylonitrilebutadiene rubber formed plastic)
  • Dial plate 0 to 10 or 0 to 100%
  • Contact rating AC125/250V5A, DC125/250-0.5/0.25A
  • Protective structure IP65

Option

  • Output 420mA is available as a option
  • Length of shaft float is based on design of trans former.
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