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
- IP-67 Ingress Protection
- Available in C4-M & C5-M corrosion resistance
- Every Buchholz Relay is calibrated at factory
- Setting cannot be altered at site
Note: For more details send online enquiry
| Product Name | Description | Download |
|---|---|---|
|
EE Series Buchholz Relay |
For 50 & 80 Nb Pipe |
Download Brochure |
|
EE Series Buchholz Relay with Plug Socket |
For 50 & 80 Nb Pipe |
Download Brochure |
|
BR series Buchholz Relay |
For 50 & 80 Nb Pipe |
Download Brochure |
|
BR series Buchholz Relay with Plug Socket |
For 50 & 80 Nb Pipe |
Download Brochure |