Vacuum interrupter for out door circuit breaker (VTD3141AB)

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: ACB
• Model NO.: VTD3141AB
• Poles Number: 4
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection
• Certification: ISO9001-2000, CE, CB, CCC
• Transport Package: Cartons/Pallets
• Trademark: Feite Brand
• Origin: China
• HS Code: 8535900090
• Production Capacity: 50000

Product Description

 

 

low and high voltage ceramic vacuum interrupter for contactor

Main Technical Data
Rated voltage	kv	12
Rated current	A	630
Rated frequency	Hz	50
Rated short-time power frequency withstand voltage(1min)	kv	42
Rated lighting impulse withstand voltage	kv	85
Rated short-cricuit breaking current	kA	12.5/16/20
Rated short-circuit breaking making (peak)	kA	31.5/40/50
Rated opreations of short-circuite breaking current interruption	times	30
Rated single capacitor bank breaking current	A	400
Rated short-time withstand current	kA	12.5/16/20
Rated duration of short-circuit	s	4
Mechanical life	times	30000
Rated peak withstand current	kA	31.5/40/50
Contact closing force due to bellows and atmosphere	N	70±40
Counterforce at rated contact stroke	N	120±50
Circuit resistance at rated contact contact force	μΩ	≤20
Shelf life	years	20
Contact erosion limit	mm	3
Weight of moving parts	kg	≤0.7
Mechanical Data Required For Matched Vacuum Switchgear
Average opening speed	m/s	1.0±0.25
Average closing speed	m/s	0.65±0.15
Added contact force	N	1600±100
Contact bouncing duration at closing operation	ms	≤2
Contact bouncing bank amplitude of opening operation	mm	≤2
Three-pole simultaneity	ms	≤1