Buchholz Relay

The Buchholz Relay is used as a protective device sensitive to the effects of dielectric failure inside the transformer.

1. STANDARD & MODEL

  • ‘BR’ series: Buchholz Relay as per Indian standards
  • ‘EE’ series: Buchholz Relay as per European Standards

2. MOUNTING (PIPE SIZE)

  • Suitable for 80 mm (3”) NB pipe
  • Suitable for 50 mm (2”) NB pipe
  • Suitable for 25 mm (1”) NB Pipe

3. CALIBRATION

Model Alarm Switch Gas Volume Range Trip Switch Surge value
1” BR 90 to 130 CC 70 to 130 Cm/sec
2” BR 175 to 225CC 75 to 140 Cm/sec
3” BR 200 to 300CC 90 to 160 Cm/sec

4. CONTACT TYPE

MA 1 Alarm + 1 Trip (Normally Open)
MG 1 Alarm + 2 Trips (Normally Open)
ML 1 Alarm + 1 Trip with changeover contacts
MD 1 Alarm + 1 Trip (Normally Closed)

5. SPARES & ACCESSORIES

  • Plug Socket
  • Armored Cable
  • Copper Tube
  • Flexible S.S Hose Pipe

6. GENERAL INFO

  • Protection class is IP-65
  • Every Buchholz Relay is calibrated at factory
  • Setting cannot be altered at site

Note: For more details send online enquiry

Product Name Download

Buchholz Relay

: EE Series 50 & 80 Nb Pipe

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Buchholz Relay

: BR Series 50 & 80 Nb Pipe

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