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The Buchholz relay is used for the protection and monitoring of insulated liquid-filled transformers with expansion tank and earth leakage coils. It is installed in the cooling circuit of the unit to be protected and reacts to faults such as gas formation, loss as well as excessive flow of the insulating liquid with a warning or disconnection ...
- Monitoring Relays
Monitoring Relays - Buchholz Relays - emb-online.net
- Gas Relay
Gas Relay - Buchholz Relays - emb-online.net
- SMART Buchholz Relay
SMART Buchholz Relay - Buchholz Relays - emb-online.net
- Buchholz Relay BB 25
The Buchholz relay BB 25 was especially developed for use in...
- Additional Devices
Additional Devices - Buchholz Relays - emb-online.net
- Gas Sampling and Analysis
Gas Sampling and Analysis - Buchholz Relays - emb-online.net
- CF 38
CF 38 - Buchholz Relays - emb-online.net
- Type 22
Type 22 - Buchholz Relays - emb-online.net
- Monitoring Relays
PENTA offer a range of single and double-element type relays as well as a range of Buchholz relays accessories such as dry air pump, oil and gas sampling kits and diode protection units.
Buchholz relays detect faults and minimize the propagation of any damage which might occur within oil-filled transformers. Short circuit faults such as inter-turn faults, incipient winding faults and core faults may occur due to overheating, bad connections and ageing.
More than 100 years of experience went into the design of the rugged MESSKO® MSAFE® Buchholz relay. It reliably protects fluid-filled transformers and reactors with an expansion tank. The MR standard ensures maximum operating safety: Every device is subjected to a helium leak test.
Buchholz relays to provide information about any internal malfunction indicated by gas accumulation in the liquid and keep oil flow speed monitored and under control. Choose our solution and assure reliable and safe operation of the transformer and a power supply network.
Double-float Buchholz relays with geometrical flange dimensions according to former French norm
Assure reliable and safe operation of the transformer and a power supply network. Choose our Buchholz relay type eBR, an evolution of our conventional Buchholz relays. It continuously monitors gas accumulation and oil flow to the conservator from the remote.