Flbs36-24kv/630A-20ka Indoor Manully Operation Indoor Rmu Use Sf6 Switch Disconnector Load Break Switch (lbs)
| Price: |
Negotiable/Piece |
| Min Order: |
5/Piece |
| Pay Type: |
L/C,T/T |
FLBS an indoor high-voltage SF6 load switch, an switchgear with the rated voltage of 12kV/24kV, adopted with SF6 gas as an arc-extinguishing and insulation medium, including the three contactors for switching-on and switching-off and to-ground, and is characteristic in its small volume, its convenient installation and operation and its the great adaptability with surroundings.FLBS of an indoor high-voltage SF6 load switch and FLBS of SF6 load switch plus fuse combination can function to protect and control the electric equipments for power supply and transformer substations especially being suitable for ring net cabinet, cable branch cabinet and distribution switching substation.FLBS of an indoor high-voltage SF6 load switch and FLBS load switch plus fuse combination are complied with the standards of GB3804-1990, IEC60256-1,1997, GB16926, IEC60420 etc..
++++Service environment
a) Air temperatureMaximum temperature: +40ºC; Minimum temperature:-35ºCb) HumidityMonthly average humidity 95%; Daily average humidity 90% .c) Altitude above sea levelMaximum installation altitude: 2500md) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.e) No frequent violent shake
++++ Main technical specifications| No | Item | Unit | Parameter |
| 1 | Rated voltage | kV | 12 | 24 |
| 2 | Rated frequency | Hz | 50/60 |
| 3 | Rated current | A | 630/800 |
| 4 | 1min Power frequency
withstand voltage | wet | kV | 38 | 50 |
| dry | kV | 48 | 60 |
| 5 | Lightning impulse withstand voltage | kV | 75 | 125/150 |
| 6 | Rated short circuit breaking current (peak) | kA | 80 | 63 |
| 7 | Rated active load and close circuit breaking current | A | 63 | 50 |
| 8 | Rated transferring current | A | 1700 | 1200 |
| 9 | Rated short circuit making current (peak) | kA | 80 | 63 |
| 10 | Rated cable(line) charging breaking current | A | 50 and 10 |
| 11 | Cable charge breaking current in earthing fault | A | 20 | 20 |
| 12 | Rated withstand current (peak) | kA | 80 | 63 |
| 13 | Short time withstand current (2s) | kA | 31.5 | 25 |
| 14 | Mechanism life | times | 5000 | 2000 |
Note: For short circuit breaking and peak current is based on Fuse plus combination. ++++Outline dimension & installation sizes
Matching dimension of SF6 load break switch-fuse combination
Fig 1) SF6 load break switch without upper cubicleLateral view of load break switch 1- Operation mechanism 2-Mechanism installation panel 3-Insulated shell 4-Selve-sealing valve 5-On/off indication plate 6-Earthing operation hole 7-LBS operation hole 8-Switch off buttonFrontal view of load break switchFig 2) SF6 load break switch with up cubicle1-External case 2-Load break switch 3-Mechanism room ++++Primary circuit loop of load break switch
Primary loop of FLBS indoor load break switch and its combination is sealed in a epikote casted insulate unit by APG technology, this insulate unit has features of good insulating property, dust and dirts proof, insulate unit contains upper and lower insulate covers, inside charged 0.4bars pressure SF6 gas, the partial siding of lower cover is very thin, it's a protective measure and will burst out in the malfunction, the over pressed gas is released to protect the equipment.
***SF6 load break switch and its fuse combination has open,close and earth three working position.a) Earthing Position b) Open Position c) Closed PositionFig 1) Working position schematic++++Arc extinction
FLBS load break switch adopts SF6 gas as the medium of arc extinction, when switch on and off, arc occurs and will spin under the magnetic field effect ion by the permanent magnet, cooled by the SF6 gas and extricated finally.
This indoor SF6 load break switch and its fuse combination works with spring type operating mechanisms A and K,AFL-12D load break switch equipped with the K spring operating mechanism is applied as the incoming control unit, while that equipped with A mechanism is applied as the outgoing protective unit and transformer unit.1) "K" Type Spring Operating MechanismWorking principle of K type spring operating mechanism is spring press and release ( see fig 1. it's in off position)A) Earthing operationDriven by the handle, upper crank arm 4 rotates and presses spring 2 to store energy, when the max energy reached continue rotate the crank arm, the energy storage spring starts to release energy and drive the upper trigger, enables the connecting bar to drive the crank arm, crank arm rotates and drives the moving contactor for earthing.B) Switch on operationDriven by the handle, lower crank arm 1 rotates, presses spring 2 to store energy, when the energy released, it drives the trigger 8,enables connecting bar to drive the crank arm, crank arm rotates and drives the moving contactor and load break switch turns on.C) Switch off operationRotate the main shaft crank arm counterclockwise by the handle, release the energy storage spring and the load break switch turns off.2) "A" Type Spring MechanismWorking principle of A type mechanism is same as K type, in addition, it has fuse striker unbuckle function. For A type mechanism, electromagnetic unbuckle is also available on customers requirement.(see fig 2)A) Switch on operationDriven by the handle, lower crank arm 1 rotates to presse switch on spring 12 and switch off spring 8 at the same time, to provide sufficient energy required by switching off. when the lower crank arm 1 buckles the pin and drives trigger to move, it makes the lower roller wheel unbuckled, and release the switch on spring and load break switch turns on.B) Switch off operationPress the switch off button or push the unbuckle pin 2 by the fuse striker, release the spring and load switch turns off.C) Earthing operationEarthing operation of A type mechanism is same as that of K type.3) K type and A type operating mechanism can be operated manually or motorized on request.
***Notice: only when the load break turns off, can turning on and earthing operation be done.
1-lower crank arm 2-energy storage spring 3-guider bar 4-upper crank arm 5-upper trigger 6-pull spring 7-main shaft crank arm 8-lower triggerFig 1: K type spring operating mechanism 1-lower crankshaft 2-unbuckle pin 3-cam 4-lower roller wheel 5-upper roller wheel 6-upper crankshaft 7-upper guider bar 8-switch off spring 9-energy storage crank arm 10-main shaft crank arm 11-lower guider bar 12-switch on springFig 2: A type spring operating mechanism ( switch on position)++++Operating Mechanism & Interlock****Mechanism interlockFLBS indoor type medium voltage SF6 load break switch and its fuse combination has below interlocks:A) When load break switch turns on, earthing operation can't be doneB) When earthing switch turns on, load break switch turns on/off operation can't be doneC) Interlock outlet of mishandling pretension is equippedMechanism interlock diagram++++Installation, Maintenance & Service.****Installation, AdjustmentFLBS type load break switch has been strictly tested before outgoing from the factory, and fully meet the technical standards, must carefully read the installation manual and prepare as below before the installation and adjustment.Check the external appearance, any damage product is not allowed to use.Clean the equipment and get rid of the dust and dirt may cause by the transportation or other causes.After installation, be sure the load break switch is turned off, insert the handle to the earthing operating hole in the up part of operating panel, and rotate the handle clockwise in 180o to earth the switch, rotate counterclockwise in 180o to switch off the earth. For switching on, turns off the load break switch firstly, insert the handle to the load break switch operating hole in the lower part of panel and turn on the load switch. From the switch on to switch off, for K type mechanism, insert the handle to the load switch operating hole and rotate it in 180o to switch off; for A type mechanism, press the "switch off" button to switch off the load break switch, observe from the winder to confirm it, check whether the on/off indication plate works properly.Notice: only when the load break turns off, can turning on and earthing operation be done !++++Maintenance & Service
On condition of installing in environment as this manual required and normal operations, product guaranteed to be fault free for 10 years and has a running life of 25 years, but regular check per 6 months is required.Keep the external appearance away from dust, dirt and damp.Lubricate and operate the mechanism for 3-5 times, check whether it acts properly.Check with the pressure meter regularly, in case of meter data lower than 0.01MPa, should reload gas. When the malfunction happens in the load break switch and fuse combination, and one of the three phase immediately, gas charging should be done by professional personnel from or trained by the manufacturer. uses burns out, all three fuses should be replaced at one time, must earth the switch before the replacement.++++Matters need attentionIt is NOT allowed to disassembly the self-sealed valve in front of switch( connecting end of meter).It is NOT allowed to unload the seal screws on switch at any time.++++Ordering Instructions****Ordering instructions: - Belowing terms should be marked while ordering:
Model number, product name and quantity.Model of operating mechanism ( A,K ).Provide the rated voltage specification if motorization operating is required.For load break switch + fuse combination, fuse model and specification is required. Other special requirements. - Documents with product from manufacturer:
Certificate of qualification.Testing report for products.Packing list.Other technical documents.
| Prod Model: |
FLBS36 |
| Breaking Capacity: |
High Voltage Circuit Breakers |
| Operation: |
Electric Type |
| Speed: |
High-Speed Circuit Breaker |
| Arc-extinguishing Medium: |
SF6 |
| Installation: |
Fixed |
| Poles Number: |
3 |
| Certification: |
Type Tested |
| Structure: |
Load Break Switch |
| Type: |
Load Break Switch |
Founded in 1999, with a registered capital of 10 million USD, Zhejiang Farady Powertec Co enjoys about 20 years' experience in medium voltage distribution electrical equipment manufacture.
We are National Hi-tech enterprise, National Spark plan Program, State Hi-tech enterprise, State Innovation R&D center, Patent demonstrate company.
Farady is located in Ecomonic develop Zone of Yueqing, Zhejiang, China, main products include: Auto recloser/gas insulated load break switch/capacitor switch/ring main unit/vacuum circuit breaker/SF6 switch disconnector.
All the products of ours have passed the national and international laboratory type test, Farady Electric was qualified supplier of China State Grid and China southern Grid.
With ISO9001/14001/18001, we are strike for create value for our partner and customer.
There is more than 20 distributors and agents worldwide already trust us and distribute Farady product there, we are not only export product, but also provide whole technology solution to help partner to establish local factory in our business line.
Today, boasting the value of products specialization, brand management, and business globalization, with the sprits of pragmatism, innovation, efficiency, and responsibility, Farady Company is dedicated to become the top name in the international business from China, and contributes its share to the transformation from the Made in China into the Invented in China.
Our Advantages:
(1). Professional team: Farady before-sales engineering team give you full support as whole solution
(2). Adquate sale reference: Export to 55 countrys with good sale reference and international bid experiencec
(3). Paper work: Full ISO certificate and product type test convince end user
(4) Quality Assurances
We have a strictly quality control process from the raw material to finished products. Advanced testing lab to make sure products quality and improve our creative ability. Quality and Safety is the soul of our products.
(5) Excellent Services
Many years of manufacturing experience and rich export business help us to establish a well-trained sales service team for all customers.
(6) Fast Deliveries
Strong manufacture capacity to satisfy urgent leading time. It is around 15-25 working days after we receive the payment. It varies according to the different products and quantity.
(7) OEM ODM and MOQ
Strong R&D team for quick new products' development, we welcome OEM, ODM and customize request order. Whether selecting a current product from our catalog or seeking engineering assistance for your application. You can tell us about your sourcing requirements
