JN15-12/40 series indoor high-voltage grounding switchDetailed product description：

The JN15-12/40 series indoor high-voltage grounding switch is designed and developed based on the ES1 type grounding switch. The structural form is assembled, and its performance meets the requirements of GB1985-89 "AC High Voltage Isolation Switches and Grounding Switches" and IEC129. It is suitable for indoor 3-12 kV three-phase AC 50 (60) HZ power systems and has a certain closing ability to protect other electrical equipment inside the switchgear from damage. It can be used in conjunction with various high-voltage switchgear as grounding protection during maintenance of high-voltage electrical equipment.

JN15-12/40 series indoor high-voltage grounding switch model and its meaning:

·Environmental conditions for use:
1. Surrounding air temperature: upper limit+40 ℃, lower limit -10 ℃.
2. Altitude: not exceeding 1000 meters.
3. Humidity conditions: The average daily relative humidity should not exceed 95%, and the average monthly relative humidity should not exceed 90%.
4. Earthquake intensity: not exceeding 8 degrees.
5. There is no fire, explosion hazard, severe dust, chemical corrosion, or severe vibration in the area.

Main technical parameters of JN15-12/40 series indoor high-voltage grounding switch:

project		unit	data
rated voltage		KV	twelve
Rated short-time withstand current (thermal stability)		KA	forty
Rated short-circuit duration		S	four
Rated short-circuit closing current		KA	one hundred
Rated peak withstand current (dynamic stability)		KA	one hundred
Rated insulation level	Rated short-time power frequency withstand voltage	KV	Relative and relative time	forty-two
	Rated lightning impulse withstand voltage			seventy-five
mechanical life		time	two thousand

·JN15-12/40 series indoor high-voltage grounding switch appearance and installation dimensions:



·Copper bar wiring terminal diagram: · Installation hole size diagram:

Product Model	E	F	G	H	D	C
JN15-12/40-210	two hundred and ten	fifty	one hundred and eighty-five	six hundred and fifty-five	five hundred and sixteen	ninety-six
JN15-12/40-220	two hundred and twenty	fifty	one hundred and eighty-five	six hundred and seventy-five	five hundred and thirty-six	ninety-six
JN15-12/40-230	two hundred and thirty	fifty	one hundred and eighty-five	six hundred and ninety-five	five hundred and fifty-six	ninety-six
JN15-12/40-250	two hundred and fifty	fifty	one hundred and eighty-five	seven hundred and thirty-five	five hundred and ninety-six	ninety-six
JN15-12/40-275	two hundred and seventy-five	fifty	two hundred and ten	eight hundred and ten	six hundred and forty-six	one hundred and sixteen

·Ordering Notice:
When ordering a grounding switch, it is necessary to indicate the product model, distance, and whether a live display device (display model) is provided.
2. Does the length of the soft connection need to be extended (conventional L=240).
3. If the user has special requirements, please negotiate with our factory to resolve them.