QJ1G-80A Buchholz Relay

$261.00

Buchholz Relay
Model:QJ1G-80A with air exhausting

SKU: QJ1G-80A Category: Tags: ,

QJ1G-80A Transformer Gas Relay Transformer Buchholz Relay

QJ Series Gas Relay 
Gas relay is a main protection device for internal failures of oil-immersed transformers and oil-immersed on-load tap-changers. The gas relay (gas relay) is installed on the connecting pipeline between the transformer and the oil conservator. When the internal fault of the transformer causes the oil to decompose to produce gas or cause the oil flow impulse, the contact of the gas relay is activated to connect the designated control circuit. And send a signal in time or automatically cut off the transformer.
Note: Code of special use environment
TH-Humid tropical zone TA-Dry tropical zone General type without indication
Supply Model List:

Model Pipe Diamete(mm Gas Volume(ml Flow Rate Setting(m/s Reed Contact Characteristics Wiring diagram No.
QJ4-25 25 200~250 1.0 Single signal,Single trip 4
QJ4G-25 Single trip 5
QJ6-25 Double trip 6
QJ1-50 50  

 

 

 

 

 

 

 

250~300

0.6~1.2 Single signal

Double trip with common point

7
QJ1-80 80 0.7~1.5
QJ2-50 50 0.6~1.2
QJ2-80 80 0.7~1.5
QJ3-50 50 0.6~1.2 Single signal, double independent tripping 8
QJ3-80 80 0.7~1.5
QJ4-50 50 0.6~1.2 Single signal

Double trip with common point

 

7

QJ4-80 80 0.7~1.5
QJ5-50 50 0.6~1.2 Single signal, double independent tripping  

 

8

QJ5-80 80 0.7~1.5
QJ6-50 50 0.6~1.2
QJ6-80 80 0.7~1.5
QJ7-50 50 0.6~1.2 Single signal

Double trip with common point

 

7

QJ7-80 80 0.7~1.5
QJ8-50 50 0.6~1.2 Dual signal with common points,

Double trip with common point

 

 

9

QJ8-80 80 0.7~1.5
QJ9-50 50 0.6~1.2
QJ9-80 80 0.7~1.5
QJ10-50 50 0.6~1.2 Single signal

Double trip with common point

 

7

QJ10-80 80 0.7~1.5
QJ11-50 50 0.6~1.2  

Single signal, double independent tripping

 

 

 

8

QJ11-80 80 0.7~1.5
QJ12-50 50 0.6~1.2
QJ12-80 80 0.7~1.5
QJ13-50 50 0.6~1.2
QJ13-80 80 0.7~1.5
QJ14-50 50 0.6~1.2 Dual signal with common point

Double trip with common point

9
QJ14-80 80 0.7~1.5
QJ15-50 50 0.6~1.2 Single signal, double independent tripping 8
QJ15-80 80 0.7~1.5
QJ16-50 50 0.6~1.2 Dual signal with common point

Double trip with common point

9
QJ16-80 80 0.7~1.5
QJ17-50 50 0.6~1.2 Double independent signal single trip 10
QJ17-80 80 0.7~1.5
QJ18-50 50 0.6~1.2
QJ18-80 80 0.7~1.5
QJ19-50 50 0.6~1.2 Dual independent signal

Double independent tripping

11
QJ19-80 80 0.7~1.5
Buchholz Relay Wiring Diagram
Buchholz Relay Wiring Diagram
Buchholz Relay
Buchholz Relay Size
Buchholz Relay
Buchholz Relay
Weight 12 kg
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