Summary:
JN22B-40.5/31.5 indoor AC high voltage earthing switch is an advanced level product with high-tech parameters performance improved on the basis of JN22-40.5/31.5.After comprehensive evaluation,it conforms to GB1985 AC HV disconnect switch and earthing switch and IEC62271-102:2002, applies to power system of 40.5kV and AC 50Hz. Can be used with KYN61-40.5 and other types high voltage switchgearalso play a protective role in the high- voltage electrical equipment overhaul.
Ambient condition:
1.Altitude: ≤1000m
2.Ambient temperature: -10°C ~+40°C
3.Earthquake intensity: ≤8 degree
4.Pollution level: II
5.Relative humidity: Daily averages95%,Monthly average≤90%
Model and meaning:
Parameters:
| Item |
Unit |
Data |
| Rated voltage |
kV |
35 |
| Maximum voltage |
kV |
40.5 |
| Rated short-time withstand current |
kA |
31.5 |
| Rated short-circuit duration |
s |
4 |
| Rated short-circuit making current |
kA |
80 |
| Rated peak withstand current |
kA |
80 |
| Phases center distance |
mm |
280, 300, 350,400 |
| Rated insulation level |
PF withstand voltage(1 min) |
kV |
Phase to earth |
95 |
| Lightning impulse withstand voltage |
Phase to phase |
185 |
FAQ:
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, 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.
Audited Supplier 
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