JN4-12(G) type indoor AC high voltage grounding switchDetailed product description：

JN4-12 (G) type indoor high-voltage grounding switch is the main component used for 12kV indoor AC metal armored movable metal enclosed switchgear and other high-voltage switchgear, and can also be used separately. Used for grounding protection in AC 50Hz power systems of 12kV and below. Capable of closing short-circuit current. Reasonable structure, small size, flexible operation, easy installation and adjustment.

Product Features:
Product design is scientific, innovative, unique, and reasonable; Advanced and reliable technical performance; Adopting the principle of shunt magnetic lock, pressure is automatically generated when powered on,
Ensure good contact; No need for corner pressure springs, low operating force. It can be used in conjunction with various types and models of high-voltage cabinets, and can also be used as grounding protection during maintenance of high-voltage electrical equipment

Main technical parameters of JN4-12G indoor AC high-voltage grounding switch

Name		Unit	Parameters
rated voltage		KV	twelve
Rated short-time withstand current		KA	twenty
Rated short-time duration		S	four
Rated peak withstand current		KA	fifty
Rated short-time closing current		KA	fifty
Center distance between poles		mm	210，230，250
Rated insulation water syndrome	Power frequency withstand voltage (1min)	KV	Ground 42
	Lightning impulse withstand voltage	KV	Jijian 75

Exterior installation dimensions

Product model and specifications	A	B	C
JN12-12/31.5-150	one hundred and fifty	three hundred and ninety-six	five hundred and thirty-five
JN12-12/31.5-165	one hundred and sixty-five	four hundred and twenty-six	five hundred and sixty-five
JN12-12/31.5-210	two hundred and ten	five hundred and sixteen	six hundred and fifty-five
JN12-12/31.5-230	two hundred and thirty	five hundred and fifty-six	seven hundred and ten
JN12-12/31.5-250	two hundred and fifty	five hundred and ninety-six	seven hundred and sixty

JN4-12G Indoor AC High Voltage Grounding Switch