ZN73D-12kv 40.5kv Indoor AC High Voltage Vacuum Circuit Breaker

ZN73D-12kv 40.5kv Indoor AC High Voltage Vacuum Circuit Breaker   ZN73D-12 Model indoor AC high-voltage vacuum circuit breaker is a type of indoor HV switchgear of rated voltage 7.2-12kV, three-phase AC 50/60Hz. The VCB conforms to GB/T 1984 High voltage AC vacuum circuit br eaker, JB3855 3.6-40.5kV indoor AC HV vacuum circuit breaker and IEC62271-100 standard. The VCB can operate frequently with good on-off capability and fast reclose capability. The VCB structure is separate into two parts thatcan either steadily installed or fabricated on the chassis frame as a separate handcart Ambient condition 1. Altitude: 1000m;
2. Ambient temperature: 25 ~+40 ;
3. Relative humidity: daily average 95 , monthly average 90 ;
4. Earthquake intensity: 8 degree;
5. Applicable occasions should free from inflammables, explosives, corrosives
and severe vibration Product feature 1. Holistic structure
2. Sealed spark chamber
3. Effective vacuum arc-extinguish
4. Good mechanical behavior
5. Various mounting approach  

no.	item	unit	data
			1	2	3	4	5
1	rated voltage	kv	12	12	12	40.5	40.5
2	rated current	A	1250	1600	2000	1600	2000
3	rated short circuit breaking current	KA	31.5	31.5	31.5	25	31.5
4	Dynamic and stable current (peak)	KA	100	100	100	80	100
5	Thermal stability of 4 s  current 50 ka (3 s)	KA	31.5	31.5	31.5	25	25
6	The rated short circuit close current (peak value)	KA	100	100	100	80	80
7	Rated short circuit breaking current times	TIME	50			30

    Packaging     Certifications     trade show     Company Information Beijing Daelim Green EP Tech Co., Ltd. is mainly engaged in the import & export of electric products and equipment. Our business team has more than 15 years' foreign business experience, and also has a unique understanding of electrical products and overseas markets. We have established and extended business relationships with customers and partners in Southeast Asia, the Middle East, Europe, Africa, North America and South America.
The main products and equipment we are dealing with: power transformer, current transformer, potential transformer, vacuum & SF6 circuit breaker, load break switch, disconnector, switchgear panel, power plant, transmission line equipment.
We always provide reasonable prices, high quality products, timely shipment and efficient services to develop our cooperation with all of our customers. We are trading in accordance with international traditions and practices. We would like to extend business with our customers and partners on the basis of cooperation and mutual benefit.       FAQ 1.Why choice us Daelim After compare quality,delivery and price you will find out answer   2. Is that possible to be one of distributor of Daelim in my country Yes,once you action is fast enough   3,More question...... Feel free to contact you you will get immediately reply   Tel:86-10-59574196 Fax:86-10-59574195 skype: carolina_carolulu
Web:www.daelim-electric.com