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Contact Person : Ms. LI YAN
Company Name : Chengdu Xuguang Electronics Co., Ltd.
Tel : 0086-28-83967045
Fax : 0086-28-83967779
Address : Sichuan,Chengdu,XINGONG AVENUE 318#, EAST INDUSTRY ZONE,610500 XINDU DISTRICT,
Country/Region : China
Zip : 610500

vacuum interrupter

Product Detailed

This vacuum interrupter is designed for 24KV-630A-16KA vacuum circuit breakers; for the outline drawing, please contact me NOW.

CERAMIC VACUUM INTERRUPTER FOR CIRCUIT-BREAKER

MAIN TECHNICAL DATA TYPE: TD-24/1250-16B(2211)

Data	Unit	Value
Rated Voltage	kV	24
Lightning Impulse Withstand Voltage (Peak)	kV	125
Short-time (1min) Power-frequency Withstand Voltage	kV	50/65
Rate Frequency	Hz	50/60
Rated Current	A	1250
Rated Short-time Withstand Current	kA	16
Rated Duration of Short-circuit	s	3
Rated Peak Withstand Current	kA	40
Rated Short-circuit Making Current	kA	40
Rated Short-circuit Breaking Current	kA	16
Max. Dc component		40%
Switch Operations of Rated Short-circuit Breaking Current	Operations	30
Rated Single Capacitor Bank Breaking Current	A	400
Rated Back-to-back Capacitor Bank Breaking Current	A	400
Mechanical Endurance	Operations	10000
Clearance Between Open Contacts	mm	16±1
Contact Closed Force Due to Bellows and Atmosphere	N	80±40
Counterforce of Contact at Full Stroke	N	140±40
Circuit Resistance at Min. Rated Contact Force	μΩ	≤30
Contact Limit Erosion	mm	3
Mass of Moving Parts	kg	0.6
Internal Gas Pressure	Pa	<1.33×10-3
Shelf Life	Year	20
Rated Operating Sequence	O 0.3s - CO 180s CO

MECHANICAL DATA OF VACUUM SWITCH EQUIPPED WITH THE INTERRUPTERS

Data	Unit	Value
Average Opening Speedfirst 6mm	m/s	1.4±0.2
Average Closing Speedlast 6mm	m/s	0.8±0.2
Contact Bounce Duration at Closing Operation	ms	≤2
Out of Simultaneity of Contact Closing and Opening	ms	≤1
Rated Contact Pressure	N	1800~2200
Max. rebound of contact at opening Operation	mm	2
Overtravel during Opening	mm	≤2

Note 1 Rated characteristics to be given on request;

2 Meets or exceeds the electrical endurance requirements of class E2 for autoreclosing duty per IEC 62271-100 and GB1984-2003

3. Within transformer oil or equivalent isolation medium

vacuum interrupter

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