Oil transformer accessories gas relay QJ4-80/ 50 /25 China Manufacturer|Buchholz Relay|Transformer Accessories|Products |Tongrun photoelectron

Buchholz Relay

Oil transformer accessories gas relay QJ4-80/ 50 /25 China Manufacturer

Oil transformer accessories gas relay QJ4-80/ 50 /25

$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
PDDN-Min. Order:	1 Piece/Pieces
PDDNansportation:	Ocean,Land,Air,Express,Express

Option:

QJ4-80
QJ4-50
QJ4-25
QJ3-80
QJ8-80
QJ5-50

Sample:

$70.00 /Piece/Pieces, 1 Piece/Pieces (Max. Order) Buy Sample

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Category: Buchholz Relay
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Product Description

Introduction to Buchholz Relay

1. Relay pipeline diameter:

QJ1-25 type DN25 (1 inch), QJ1-50 is DN50 (2 inches), and QJ1-80 is DN80 (2.667 inches)
2. Working temperature of relay: -30 ℃ -+95 ℃
3. Signal contact action gas capacity: 250-300cm3
4. Rated capacity of contacts: 220V 0.3A, 110V 0.6A (S 5X10 S)
5. Insulation strength: 2000V/nim
6. Sealing performance: the relay is filled with transformer oil and pressurized at room temperature for 200Kpa/20min without leakage.

Gas Relay is a main protection device for internal faults of Oil Immersed Transformer and oil immersed on load Tap Changer. 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 oil decomposition to produce gas or oil flow impulse, the contact of the gas relay will act to connect the specified control circuit, and send a signal in time or automatically cut off the transformer.

Maintenance

1. The relay shall undergo appearance inspection and reliability inspection of the 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.

改后Buchholz relay&big current relay China Manufacturer.jpg

Company Overview

Tongrun Photoelectron is a manufacturer of various high and low-voltage power-supporting products.

Transformer accessories include a tap changer, pressure relief valve, thermometer, moisture absorber, gas relay, oil level gauge, butterfly valve, cross-flow fan, etc.

High-voltage power distribution equipment includes high-voltage and low-voltage insulation bushings, cables, disconnectors, vacuum circuit breakers, high-voltage insulators, low-voltage insulation, ceramic insulators, etc.

Since its establishment, the company has always been guided by science and technology, relying on solid technology, actively introducing foreign advanced technology, and constantly improving and improving its products. After years of professional management, the products sell well all over the country and are exported to Bangladesh, Myanmar, India, Russia, Indonesia, Thailand, and other Southeast Asian and African countries.

Welcome to visit, investigate, and negotiate

Product Attributes

Model No.: QJ50

Brand: PDDN

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