1.14kv Advanced Vacuum Interrupter for Electrical Systems

• Breaking Capacity: Low Voltage Circuit Breakers
• Operation: Energy-storage Type
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: ACB
• Model NO.: TJC-1.14/1250(VAC209)
• Poles Number: 3
• Type: Circuit Breaker
• Certification: ISO9001-2000, CE, CCC
• Power Frequency Withstand Voltage: 10kv
• Lightning Impulse Withstand Voltage: 16kv
• Mechanical Life: 500000 Times
• Rated Clearance Between Open Contacts: 2.6~3mm
• Rated Contact Stroke: 1~1.4mm
• Transport Package: Carton
• Specification: VAC209
• Trademark: VACEM
• Origin: Wenzhou, China

Product Description

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

General description

Get ready to be electrified by VACEM's top-notch electrical products! Our main products include the incredible vacuum interrupter and the embedded pole, among others. Our vacuum interrupter is made of ceramics and boasts a voltage range of 1.14kV to 40.5kV, a current range of 63A to 4000A, and a rated short circuit breaking current of 2kA to 40kA. Plus, all of our products comply with relevant national and international standards, such as GB and IEC standards. VI is mainly applied to VCKJ5-1250A/1.14kV vertical LV AC vacuum contactor. Meets or exceeds the requirement of IEC60947-4 and GB/T14048-2001.
But that's not all! VACEM has undergone three large-scale technical transformations and has introduced advanced production processing equipment from Germany and the United States. As a result, we have first-class technology equipment and perfect testing means, and our products are characterized by standardization, seriation, miniaturization, and specialization. We also have an experienced R&D team, a complete and mature R&D program, and a special department dedicated to organizing the development of new products. 

To stay ahead of the curve, VACEM establishes long-term good relations of cooperation with other well-known companies in the industry. So, if you're looking for top-quality electrical products, look no further than VACEM's 1.14kv Advanced Vacuum Interrupter for Electrical Systems!

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 atomsphere	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

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