Summary:
JN17-12/40 indoor AC high voltage grounding switch is an advanced level product with high-tech parameters performance. After comprehensive evaluation, it conforms to GB1985 and IEC129, applies to power system of 3-12kV and three-phase AC 50( 60)Hz. It owns short-circuit making capacity to protect other electric equipment not being damaged. Can be used with various high voltage switchgear, also 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 |
12 |
| Rated short-time withstand current |
kA |
40 |
| Rated short-circuit duration |
s |
4 |
| Rated short-circuit making current |
kA |
100 |
| Rated peak withstand current |
kA |
100 |
| Rated insulation level |
PF withstand voltage(1 min) |
kV |
Phase to earth |
42 |
| Lightning impulse withstand voltage |
Phase to phase |
75 |
| Mechanical endurance |
time |
2000 |
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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