РЗТ-50 (RZT-50) — transformer gas protection relay (Buchholz relay)
How to replace РЗТ-50: European-made Buchholz gas relays, selected instead of РЗТ-50 by purpose and connection dimensions.
Analogue selection is for reference only, by purpose and connection dimensions. Before replacement, check the specifications and wiring diagram against the product passport.
Purpose
Installed in the oil pipe between the tank of an oil-filled transformer (reactor) and the conservator. The alarm element operates when gas accumulates (slow decomposition of insulation or oil); the trip element operates on violent gas formation, a sharp oil surge towards the conservator or loss of oil. Used in transformer gas protection schemes.
Known data
| Type | Transformer gas protection relay (Buchholz relay) |
|---|---|
| Designation | РЗТ-50 |
| Parameter | connection nominal bore DN 50 mm |
European analogues of РЗТ-50




Analogue selection is for reference only, by purpose and connection dimensions. Before replacement, check the specifications and wiring diagram against the product passport.
Find an analogue for РЗТ-50
Analogue of РЗТ-50. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Oil-filled equipment on ukrsk.com.ua (Ukrainian pages): Setavolt iSA — industrial three-phase induction variable transformers · IVR / IVRI — three-phase oil-filled induction voltage stabilizer
