China Vacuum Interrupters Integrated Embedded Pole,J001514TVF Manufacturers

J001514TVF Embedded Poles

Vacuum Interrupters Integrated Embedded Pole

Parameter item	Unit	Value
Rated voltage	KV	12
Rated current	A	1250
Rated frequency	Hz	50
Rated short-circuit breaking current	KA	31.5
Breaking times of short-circuit current	Time	50
Rated short-circuit making current	KA	80
Rated peak withstanding current	KA	80
Rated short-time withstanding current (4 seconds)	KA	31.5
Rated single capacitor bank breaking current	A	630
Rated back-to-back capacitor breaking current	A	400
Short-time power-frequency withstanding voltage	KV	48
lighting impulses withstanding voltage (peak)	KV	85
Circuit resistance at rated contact force	μΩ	≤20
Mechanical life	Time	30000
Contact closing force due to bellows and atmosphere	N	120±50
Counterforce at rated contact stroke	N	210±50
Contact erosion permission length	Mm	3
Shelf life	Year	20
Part discharge	pC	≤5
Rated operating sequence	0-0.3s-C0-180s-C0
Mechanical data of vacuum switch
Rated contact stroke	Mm	9±1
Contact connection stroke	Mm	3.5±1
Average breaking speed	m/s	1.1±0.2
Average closing speed	m/s	0.7±0.2
Rated operation pressure of contact	N	3100±200
Bounce duration of contact closing	Ms	≤2
Out of simultaneity of contact closing and opening	Ms	≤1
Rebound amplitude of breaking contact	Mm	≤2

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