Customization: | Available |
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Certification: | ISO9001 |
Shell Material: | Stainless Steel |
Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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LY-12 gas insulated switchgear series is a compact metal-sealed switchgear system for 12KV power distribution system. The switchgear is uniquely flexible due to its expandability, enabling full and semi-modular combinations.
The stainless steel gas chamber of the LY-12 gas insulated switchgear equipment is filled with SF6 gas, which completely seals all the live parts and the switch, and isolates them from the outside world. This fully-sealed structure keeps the internal switches and live parts from being affected by changes in the external environment, ensuring the reliability, safety and maintenance-free nature of the equipment.
The basic module scheme forms are: C, F, V, D, De.
The code description is as follows:
C: Two-position load break switch unit with earthing switch
F: Load break switch-fuse combination module
V: Vacuum switch module with earthing switch and two-position load (isolating) switch
D: Cable connection module without earthing switch
De: Cable connection module with earthing switch
1. Ambient air temperature: upper limit +40 °C lower limit -40 °C;
2. Air relative humidity: the daily average is not more than 95%, and the monthly average is not more than 90%;
3. Altitude ≤ 1500 meters (under standard inflation pressure);
4. The seismic intensity does not exceed 8;
5. Places without fire, explosion, serious pollution, chemical corrosion and severe vibration.
Special conditions
Manufacturer and end user must agree on special operating conditions that differ from normal operating conditions.
If particularly harsh operating environments are involved, the manufacturer and supplier must be consulted.
When the electrical equipment is installed above 1500 meters above sea level, it should be specified so that the pressure can be adjusted during manufacture. When this pressure is adjusted, the life of the switchgear itself has no significant effect.
Item | Unit | C module | F module | V module | |
Load break Switch | Combination apparatus |
Vacuum switch |
Disconnecting/
earthing switch |
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Rated voltage | kV | 12 | 12 | 12 | 12 |
Rated frequency | Hz | 50 | 50 | 50 | 50 |
Power frequency withstand voltage (interphase/fracture) |
kV | 42/48 | 42/48 | 42/48 | 42/48 |
Lightning impulse withstand voltage | kV | 75/85 | 75/85 | 75/85 | 75/85 |
Rated current | A | 630 | * | 630 | 630 |
Rated closed loop breaking current | A | 630 | |||
Rated cable charged breaking current | A | 10 | |||
Rated short-circuit making curemt (peak) | A | 50 | 80 | ||
Rated peak withstand current | kA | 50 | |||
Rated short time withstand current | kA/4s | 20 | |||
Rated short circuit breaking current | kA | 31.5 | 20 | ||
Rated transfer current | A | 1700 | |||
Maximum current with fuse | A | - | 125 | ||
Loop resistance | Ω | ≤300 | ≤600 | ||
Mechanical life | Times | 5000 | 3000 | 5000 | 2000 |
*Depends on fuse rated current value.
Q: Could I have prices of your products?
A: Welcome. Please feel free to send us inquiry here. We will reply you within 24 hours.
Q: Can I get a sample before the bulk order?
A: Yes, we welcome sample order to test and check quality.Mixed samples are acceptable.
Q: Can we print our logo/ company name on products?
A: Yes, of course, we accept OEM, then need you to provide brand authorization to us
Q: Do you accept product customization?
A: Yes, of course, please provide specific drawings or parameters, we will quote you after evaluation
Q: What is the lead time?
A: The lead time depends on the quantities ordered, generally within 7-20 days after receiving the payment.
Q: What is your Trade Terms?
A: We accept EXW, FOB, CIF, FCA, etc.
Q: What is your payment method?
A: We accept T/T, Western Union, Paypal, irrevocable L/C at sight, etc
Q: Do you inspect the finished products?
A: Yes, each step of production and finished products will be came out inspection by QC department before shipping. And we will provide goods inspection reports for your reference before shipment
Q: How to solve the quality problems after sales?
A: Take photos of the quality problems and send to us for our checking and confirming, we will make a satisfied solution for you within 3 days.