40.5kv Outdoor Vacuum Circuit Breaker (ZW7) with Spring Operation Mechanism

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Energy-storage Type
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: Vcb
• Model NO.: Zw7-40.5
• Poles Number: 3
• Type: Circuit Breaker
• Function: Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
• Certification: ISO9001-2000, CCC
• Transport Package: Normal Export Case
• Specification: VS1
• Trademark: Volcano Electrical
• Origin: China
• HS Code: 8538900000
• Production Capacity: 50000

Product Description

40.5kv Outdoor Vacuum Circuit Breaker (ZW7) with Spring Operation Mechanism

Product description

ZW7-40.5 series outdoor AC high voltage vacuum circuit breaker(hereafter referred to as circuit breaker) is an outdoor power equipment with rated voltage 40.5kV.Adopt spring operation device and it can undertake tasks like opening operation and closing operation nearby or remotely.Moreover it can be used to open or close load current,overload current and short-circuit current.It was applicable at transformer substations,power plants,rural power distribution automation grids and occasions where frequent operations are needed. It can be divided into ordinary type and plateau type according to their environment.    









Technical Specifications
 

NO	Item			Unit	Value
1	Rated voltage			KV	40.5
2	Rated insulation level	Power frequency withstand voltage	Dry test		95
			Wet test		80
		Lightning impulse withstand voltage (peak)			185
3	Rated current			A	1250,1600,2000
4	Rated short-circuit breaking current			KA	20,25,31.5
5	Rated operation sequence				0-0.3s-combination-180s-combination
6	Rated short circuit current breaking times			times	12
7	Rated short circuit closing current (peak)			KA	50,63,80
8	Rated peak withstand current
9	Rated short-time withstand current			KA	20,25,31.5
10	Rated short circuit continuous current			S	4
11	Average opening speed			m/s	1.5±0.2
12	Average closing speed				0.7±0.2
13	Contact closing bounce time			s	≤2
14	Three-phase combined (minute) gate synchronous time difference				≤2
15	Closing time				≤150
16	Opening time				≤60
17	Mechanical life			times	10000
18	Rated operating voltage and auxiliary circuit rated voltage			V	DC220,110,24
					AC220,110,24

Environmental Conditions

1.Ambient temperature:-30ºC~+40ºC
2.Ambient humidity:the average humidity of a day should be no more than 95%:the average humidity of a month should be no more than 90%.
3.Earthquake intensity:not exceed 8degrees.
4.Saturated vapour pressure:the average pressure of a day should be no more than 2.2kPa:the average pressure of a month should be no more than 1.8kPa.
5.The height above sea level:1000m.
6.Air filthy degree: III degrees.
7.It should be installed in the places without fire,explosion,series fifth,chemical erosion and violent vibration.

Company introduction

Zhejiang Volcano Electrical is a professional factory for prodcuing 10-40.5kV electrical equipments for power transmission, including all types of indoor&outdoor vacuum circuit breakers, automatic current recloser, SF6&vacuum load break switch, isolating switch, earthing switch, air&gas insulated switchgear, vacuum interrupters, fuse cutouts and lightning arresters.
The factory is located in Yueqing, the famous town for all types of low and high voltage electrical parts.It occupies square more than 10000m^2, and has developed several international production line. We have made constant efforts to improve product quality and service. To offer best quality with our best service to get a win-win solution is our main principal.





Certification Collection

Our company has get ISO9001, 14001 and 18001 approved. We have passed many type testing for our prodcuts.




Contact

Address: No.211, Weishier Road, Economic Development Zone, Yueqing, Zhejiang, China