Product Details

Product Description

Description of ZN85G-40.5

12kv 630a vacuum circuit breaker

ZN28 series vacuum circuit breaker as specified voltage 12KV, three-phase exchange 50/60 HZ high

pressure switchgear in the one. Products accord with GB1984 standard, this product ensemble architecture and operating organization an organic whole installer switch noumenon separates from operating organization and installs two kinds of forms for switch noumenon. An organic whole type structure Namely a basic model of ZN28, Divide style structure a ZN28A type, it should be in various kinds of regular type switch cupboards to be right, such as GG-1A(Z),

XGN2A10(Z),etc.

Product this can mix and speak with CD17, model CD 10A direct current magnetism motive construct speak and move organization with CT17, model CT19 spring energy storage type.

Technical parameter

Item		Unit	Data
			20kv	25kv		31.5kv		40kv
Rated voltage(KV)		Kv	12
Rated current(A)		A	630,1000,1250	1250,1600		1250,1600,2000,2500		1600,2500,3150
Rated short-circuit break current		Kv	20	25		31.5		40
Rated short-circuit close current(peak value)		KV	50	63		80		100
Rated peak value withstand current		KV	50	63		80		100
4S rated little withstand current		KV	20	25		31.5		40
Rated insulation level	Industrial frequency withstand voltage	KV	45(fracture 48)
	Thunder impulse withstand voltage		75(fracture 84)
Rated operation order			Off-0.3S on and off-180S-on and off
Mechanical life-span		times	10000
Rated short-circuit current break and close time		times	30				20
Speak and move organization amount equal to the voltage of the floodgate(DC)		V	110,220		220
Speak and move mechanism amount shut the electric current of floodgate(DC)		A	71				128
Speak and move organization amount assign the voltage of the floodgate(DC)		V	110,220
Speak and move organization amount assign the electric current of floodgate(DC)		A	3.0,1.5
Switching distance of the contact		mm	11±1
Ultra journey (touches the head spring and compress length)		mm	4±1
Three-phase breaking into, shut floodgate sex of the same period		ms	≤2
Touch the head and shut a floodgate of time of bouncing		ms	≤2
Average speed of breaking brake		m/s	1.2±0.3
Average speed of closing brake		m/s	0.6±0.2
Time of breaking brake	Operate it under the voltage highest	s	≤0.06 ≤0.08
	Operate it under the voltage the mostlow
Time of closing brake		s	≤0.2
Each the resistance of main return circuit		Ω	≤40			≤20
Allowance abrasion cumulated thickness of the moving and stationary contact		mm	3
Oil buffer buffers the journey		mm	10

Picture show

1. How to order the products?

Answer:Send the inquiry with detail item descrpition or with Model number.If there is no packing demand we take it as sea-way packing.

If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.

2. About lead time and shipping time?Answer : The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement.

3.Can I expect a quality products?Answer : Yes. All our activities are accredited to ISO 9001:2008 ,both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.

Trade Shows

Our story with customers

In 2005,we received the email from ALIBABA that a Russian customer would like to order the KYN28-12 indoor metal-clad enclosed switcgear.We confirm the product parameters and pictures carefully again and again with the client,the last communication is the most difficult in price,it is a psychological warfare,customers began to demand a 20% cut,we insist on our price,emphasis on the various advantages of our products with the high quality. After compared with other factory,Russia customer finally chose to coperation with our company.After more than 20 days,customers sent a email to tell us that they are very satisified with the goods. At the same time,he praised our good service attitude,delivery on time,good quality,until now the Russia client has been our long-term customer,also is our good friend.

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