$65-79 /Piece/Pieces
| Payment Type: | L/C,T/T,D/P,D/A,Paypal,Money Gram,Western Union,D/A |
| Incoterm: | FOB,CFR,CIF,EXW,FAS,FCA,CPT,CIP,DEQ,DDP,DDU,Express Delivery,DAF,DES |
| Min. Order: | 1 Piece/Pieces |
| Transportation: | Ocean,Land,Air,Express,Express |
| Port: | Qingdao,Qingdao,Qingdao |
Brand: TNNPI
Principle: Electromagnetic Relay
Use: Auto, Protective
Size: Miniature
Protection Features: Sealed
Contact Load: Low Power
Product Name: Buchholz Relay
Product Use: Oil immersed transformer
Shell Material: aluminium / iron
Voltage: 220v
Working Temperature: -30℃-+95℃
Nominal Diameter: 25/40/50/80CM
Connection Form: Flange
Product Characteristics: Isolation seal
Number Of Power Supply Phases: Polyphase
Place Of Origin: China
Customized: Support
| Selling Units | : | Piece/Pieces |
| Single package size | : | 28cm*24cm*30cm |
| Single gross weight | : | 5~7kg |
| Package Type | : | Carton |
| Picture Example | : |
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Maintenance
1. The relay shall undergo appearance inspection and reliability inspection of signal circuit and trip circuit once a year.
2.The relay in operation shall be uncovered once every two years for internal structure and action reliability inspection.
3. The power frequency withstand voltage test shall be carried out for the operated relay every five years.
The method of selecting a transformer gas relay is relatively simple, which is to look at the diameter of the connecting pipeline between the transformer body and the transformer oil storage tank. If the diameter of the pipeline is 50mm, choose the QJ-50 gas relay; If the diameter of the pipeline is 80mm, choose QJ-80 gas relay; The numbers in the model only represent the design serial number
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