12kv/24kv/36kv Vacuum Interrupter 31.5ka/40ka

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
• Certification: ISO9001-2000
• Transport Package: Wooden
• Specification: 15KV/27KV/38KV, 50HZ/60HZ,
• Model NO.: TD
• Trademark: HEMG
• Origin: China
• Production Capacity: 1000000

Product Description

 

MAIN TECHNICA DATA
Rated voltage	12KV	(1min) Short-time(1min) power-frequency withstand voltage	42KV
Rated current	1600/1250A	() Lighting impulse withstand voltage(peak)	75KV
Rated frequency	50HZ	Circuit resistance at rated contact force	≤15μΩ
Rated short-circuit breaking current	25KA	Mechanical life	20,000
Operations of short-circuit breaking current interruption	50	Contact closing force due to bellows and atmosphere	100±30N
Rated short-circuit making current	63KA	Counterforce at rated contact stroke	200±30N
Rated peak withstand current	63KA	Contact limit erosion	3mm
(4) Rated short-time withstand current(4s)	25KA	Shelf life	20
Rated single capacitor bank breaking current	630A	/ Weight/mass of moving parts	3Kg/1.1Kg
Rated back-to-back capacitor breaking current	400A	Rated operating sequence	O-0.3s-CO-180s-CO
MECHANICAL DATA OF CIRCUIT-BREAKING EQUIPPED WITH THE INTERRUPTERS
Rated contact stroke	9±1mm	Rated operation pressure of contact	2400±200N
Contact connection stroke	4±1mm	Bounce duration of contact closing	≤2ms
Average opening speed	1.1±0.2m/s	Out of simultaneity of contact closing and opening	≤1ms
Average closing speed	0.6±0.2m/s	Max. overtravel	≤2mm