1.14kV Vacuum Interrupter for LV Vacuum Contactor

Model NO.: TJC-1.14/1250 (VAC209)
Delivery: FOB
Minimum order quantity: 1 piece

Quantity:

Product Description

Basic Info.

Model NO.	TJC-1.14/1250(VAC209)
Poles Number	3
Certification	ISO9001-2000, CE, CCC
Power Frequency Withstand Voltage	10kV
Lightning Impulse Withstand Voltage	16kV
Mechanical Life	500,000 times
Rated Clearance Between Open Contacts	2.6~3mm
Rated Contact Stroke	1~1.4mm
Trademark	VACEM
Origin	Wenzhou, China

Vacuum interrupter for LV vacuum contactor
TJC-1.14/1250(VAC209)

1.General description

VACEM main products include vacuum interrupter, embedded pole etc. electrical products. Vacuum interrupter is ceramics type, and the range of voltage is from 1.14kV to 40.5kV, current from 63A to 4000A, rated short circuit breaking current from 2kA to 40kA. VACEM products are complied with relevant national standards and international standards (GB standards and IEC standards). After three large scale technical transformation, introducing advanced production processing equipment from Germany and the United States, VACEM has the first-class technology equipment and perfect testing means, and products with the characteristic of standardization, seriation, miniaturization, specialization. For the meantime, VACEM has an experienced R&D team, and a complete , mature R&D program, a special department to organize the development of new products. In order to accurately grasp the development trend of industry technology , VACEM establishes a long-term good relation of cooperation with other well-known domestic and foreign institutions, and carry out technical exchanges with the international well-known enterprises to jointly develop the key products leading the market trend.

VI is mainly applied to VCKJ5-1250A/1.14kV vertical LV AC vacuum contactor.
Meets or exceeds the requirement of IEC60947-4 and GB/T14048.4-2001.

2.Main technical parameter

Specification of VI

Parameter item	Unit	Data
Rated voltage	kV	1.14
Rated current	A	1250
Rated frequency	Hz	50/60
Rated short-time power frequency withstand voltage(1 min)	kV	10
Rated lightning impulse withstand voltage	kV	16
Rated connecting current	kA	10
Rated breaking current	kA	8
Rated maximum sectional current	kA	8
Rated minimum sectional current	A	250
Rated short-time withstand current	kA	8
Rated short-circuit duration	s	4
Mechanical life	ten-thousand times	50
Rated breaking time AC3	ten-thousand times	15
Rated breaking time AC4	ten-thousand times	6
Contact closing force due to bellows and atmosphere	N	120±30
Force required to hold contact open at full stroke	N	140±40
Circuit resistance at rated contact force	μΩ	≤50
Contact limit erosion	mm	2
Storage life	year	20

Specifications required for matched switchgear

Parameter item	Unit	Data
Rated clearance between open contacts	mm	2.8±0.2
Average opening speed	m/s	0.6±0.1
Average closing speed	m/s	0.3±0.1
Rated contact pressure	N	150±20
Contact bouncing duration at closing operation	ms	≤3
Closing and opening non-simultaneity of contacts	ms	≤2
Rated contact stroke	mm	1.2±0.2