High Quality Ceramic Vacuum Interrupter - Vacuum Interrupter For Outdoor Circuit Breakers TD-12/1250-25 (2D85E with silicone coating) – Ghorit

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High Quality Ceramic Vacuum Interrupter - Vacuum Interrupter For Outdoor Circuit Breakers TD-12/1250-25 (2D85E with silicone coating) – Ghorit Detail:

Notes

1. Meets or exceeds the electrical endurance requirements of class E2 for autoreclosing duty per IEC62271-100 and GB1984-2003.

2. Rated characteristics tobe givenon request.

3. Rated insulation valuesrequire extemal insulati on, such as Sf6, oil or solid dielectric material etc.

Main Technical Specifiation

Rated Voltage	KV	12
Rated Current	A	1250
Rated Frequency	Hz	50
Short-time power-frequency Withstand Voltage(1min)	KV	48
Rated lightning Impulse Withstand Voltage(Peak)	KV	75
Rated Short-circuit Brenking Current	KA	25
Rated Peak Withstand Current	KA	63
Rated Short-circuit Making Current	KA	63
Rated Short-time Withstand Current	KA	25
Rated Duration of Short-circ	S	4
Rated Single Capacitor Bank Breaking Current	A	630
Rated Back to Back Capacitor Bank Breaking Current	A	400
Rated Short-circuit Making Current	Times	20
Mass of Moving Parts	Kg	0.7
Mechanical Endurance	Times	10000
Contact Closed Force Due to Bellows and Atmosphere	N	110±30
Counterforce of Contact at Full Stroke	N	190±30
Circuit Resistance at Min.Rated Contact Force	μΩ	<20
Contact Limit Erosion	mm	3
Storage Life	Years	20

Mechanical Data Of Vacuum Switch Equipped With The Interrupters

Clearance Between Open Contacts	mm	9±1
Average Opening Speed	m/s	1.1±0.2
Average Closing Speed	m/s	0.7±0.2
Rated Contact Pressure	N	1800±200
Contact Bounce Duration at Closing Operation	ms	<3
Out of Simultaneity of Contact Closing and Operation	ms	<2
Maximum Rebound During Opening	mm	<2

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Good quality comes 1st; assistance is foremost; business enterprise is cooperation" is our business enterprise philosophy which is regularly observed and pursued by our company for High Quality Ceramic Vacuum Interrupter - Vacuum Interrupter For Outdoor Circuit Breakers TD-12/1250-25 (2D85E with silicone coating) – Ghorit, The product will supply to all over the world, such as: Hyderabad, Japan, Croatia, We have a good reputation for stable quality products, well received by customers at home and abroad. Our company would be guided by the idea of "Standing in Domestic Markets, Walking into International Markets". We sincerely hope that we could do business with customers both at home and abroad. We expect sincere cooperation and common development!

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