Jn17-12/40 Ground Knife Electronic Earthing Switch for Mv Switchgear

• Certification: ISO9001
• Shell Material: Steel Plate
• Voltage Level: High Voltage
• Installation: Fixed
• Structure: Combination
• Current: AC
• Model NO.: JN17-12/40
• Voltage: 12kv
• Frequency: 50Hz
• Phase Distance: 150mm/210mm/275mm
• Rated Short-Time Withstand Current: 31.5ka
• Altitude: Not Higher Than 1000m
• Transport Package: Standard Export Shipping Package
• Trademark: LIYOND
• Origin: Zhejiang, China
• Production Capacity: 1000 Pieces/Month

Product Description

JN17-12/40 Ground knife electronic earthing switch for MV switchgear

 

Summary:

JN17-12/40 indoor AC high voltage earthing switch is an advanced level product with high-tech parameters performance.After comprehensive evaluation,it conforms to GB1985 and IEC129 standard ,applies to power system of 3-12kV and three-phase AC 50Hz.

It owns shortcircuit making capacity to protect other electric equipment not being damaged.Can beused with various high voltage switchgear,also play a protective role in the highvoltage electrical equipment overhaul.

 

Ambient condition:

1.Altitude: ≤ 1000m

2.Ambient temperature: -10 DEG to 40 DEG

3.Earthquake intensity: no more than 8 degree

4.Pollution: II

5.Relative humidity: Daily average less than 95%.Monthly average less than 90%.

Paramters

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 earthPhase to phase	42
	Lightning impulse withstand voltage			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.