Gas (Buchholz) relays

Gas (Buchholz) relays series 2RB are made for signalling and giving commands for disconnection of transformers in case of development of gases, oil loss or sudden increase in oil pressure due to defecfs of transformers.

Relays series 2RB are in accordance with the standards DIN/VDE 0660 and DIN 42566.


Types:
- 2RB1
- 2RB2
- 2RB3

Gas (Buchholz)relays (PDF)