12kv Center Distance 205mm Embedded Pole (811A)

12KV Center Distance 205mm Solid Sealed Pole(812A) EP-12/630-25 Main Technical Data Dimensional Drawing

Model NO.	811A
Poles Number	3
Type	Vacuum
Function	Vacuum
Certification	ISO9001-2000, CQC
Rated Current	630/1250A
Rated Lighting Impulse Withstand Voltage	85kv
Rated Frequency	50Hz
Rated Valtatge	12kv
Warranty	12 Month
Transport Package	Standard Export Packing.
Specification	Vacuum
Trademark	ZGVE
Origin	Wenzhou
HS Code	8538900000
Production Capacity	180000pieces/Year

12KV Center Distance 205mm Solid Sealed Pole(812A) EP-12/630-25

Main Technical Data

Main Technical Data
Rated Voltage	12kV
Rated Current	1250/1600A
Rated Frequency	50Hz
Rated Short-time power frequency withstand voltage(1min)	48kV
Rated Lighting impulse withstand voltage	85kv
Rated short-time withstand current	25/31.5KA
Rated peak withstand current	63/80kA
Rated short-circuit making current	63/80kA
Rated shirt-circuit breking current	25/31.5KA
Breaking operations of rated short circuit breaking current	30times
Rated back-to-back cap acitor breaking current	400A
Rated sigle capacitor bank breaking current	630A
Mechanica life	30000times
Contact closing force due to bellows and atmosphere	100±30N
Counterforce at rated contact stroke	200±30N
Circuit resistance at rated contact force	≤20μΩ
Shelf life	20 years
Contact erosion limit	3mm
Part Discharge	≤2pC
Rated Operating Sequence	O-0.3s-CO-180s-CO
Mechanical Data Required for matched vacuum switchgear
Rated contact stroke	9±1mm
Contact Connection Stroke	4±1mm
Average opening speed	1.1±0.2m/s
Average closing speed	0.8±0.2m/s
Added contact force	3000±200N
Contact bouncing duration at closing operation	≤2ms
Out of simultaneity of contact closing and opening	≤2ms
Max.overtravel	≤2mm

Dimensional Drawing

12kv Center Distance 205mm Embedded Pole (811A)

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