China Manufacture Low Price ZWM8-12 Permenent Magnetic Intelligent Outdoor Vacuum Circuit Breaker/electrical Circuit Breaker

 Overviews

ZWM8-12 permenent magnetic intelligent outdoor high-voltage vacuum circuit breaker(hereinafter called intelligent breaker) is applied for breaking, on or off of load current in AC three-phase power system of rated 10-12KV with 50/60Hz, it owns functions of overload and short protection, fast breaking protection, time lapse delay and auto matic reclosing, it can also be equipped with arrestor or disconnecting ( circuit breaker and disconnecting switch combination, hereinafter called combination intelligent circuit breakers) according to customers requirement. This intelligent breaker owns power supply itself, available for remote control, interfacs of CT,PT are for remote control, can meet the requirements of remote control.

 

Item			Units	Parameters
Rated voltage			KV	12
Rated insulation level	1 min PF withstand voltage	Dry		42
		Wet		34
	Lightening impulse withstand voltage(peak)			75
Rated current			A	400.630
Rated short circuit making current			KA	20.16.12.5
Rated operating sequence				0-0.3s-co-180s-CO
Breaking t short circuit breaking times			times	30
Rated short circuit closing  current(peak)				50
Rated peak withstand current			KA	50
Rated short time withstand current				20.16.12.5
Duration of rated short circuit breaking			s	4
Opening time (shunt trip)	Max. operating voltage		ms	15~50
	Rated operating voltage			15~50
	Min. operating voltage			30~60
Closing time				25~50
Total breaking time				≤100
Arc time				≤20
Mechanical life			Times	10000
Closing frequency			J	70
Energy storage motor rated input power			W	≤220
Rated operating voltage and subsidiary loop rated voltage			V	AC/DC220 110,24
				AC/DC220 110,24
Energy storage time under rated voltage			S	<8
Over current release	Rated current		A	5
	Accuracy of release current		%	±10
Over current adjust			A	1~9
Quick break adjust			ms	6~20
				80~500
Remote control distance			m	30
The number of overlapping			Times	1~3

 

 

 

 

a. Delivery term:

We will delivery for you after you done the full payment within 7 to 20 working days.

b. Payment:

Usually,we accept T/T, irrevocable L/C at sight ,for regular order ,we prefer 50% in advance ,50% against the copy of B/L

1.We have a professional and efficient team. Young R&D team with experienced, our team average age is 13 years and the staff longest experience in the industry field are over xxx years while the shortest one are more than 20 years.

2.Our products manufacturing process are in accordance with GB/T19001-2008 quality management system requirements and technical standards are in accordance with GB11022 / DL404 IEC60694 which could guarantee delivering time & excellent quality for the clients.

3.The price advantage: our company has established complete supplier evaluation & supervision system, strict control of production cost and strive to provide the optimized cost-effective products for clients

4.Professional and timely after-sales service: Based on all products standardized design, we can provide users with the most convenient and fast service, our 24 hours service telephone: 0086-532-80771657.

5.Team trust, cooperation, commitment, loyal customers, strict compliance and deliver on time.

Q: How do you control the quality ?

A: We have QC team comply with TQM,each step is in compliance to the standards,At the same time ,we will take photos and shoot video for you .

Q: What about lead or shipping time?

A: The lead time depends on quantity you ordered ,but generally within 40-50 days upon receipt of advance payment.

Q: How long does it take for me to get the quotation.

A: For customized products, we will quote after you provide the requested product detailes within 48 hours beacuse we need the time to calculate cost, but we will quote the soonest possible. for our standard product posted here we can quote in 24 hours.

Q: Why should I choose your company?

A: We take customers's requirments as our mission,and take each details very carefully. We have about 15 years experience for electric power business. We try to support our customers always,including delivery time,price ,pre-sale,after-sales,though We are not the best,but  we are always to improve ourself and meet your needs.Choose us ,will don't make you disappointed.