Product Details
Company Profile

ZW7 3 Phase 33KV 35KV 36KV 40.5KV 1250A Vacuum Circuit Breaker

1. ZW7 -40.5 Series outdoor 3 phase 33kv 35kv 36kv 40.5kv 1250a vacuum circuit breaker vcb

ZW7-40.5 series outdoor high voltage vacuum circuit breaker is three phase AC 50Hz, rated voltage is 40.5kV outdoor high-voltage electrical equipment , attached the spring operator or electromagnetic actuator can be well controlled electric opening and closing can also be Manual storage, manually open and close.

Stanadard

GB1984-89<AC high voltage circuit breakers>;

IEC-56<high-voltage AC circuit breakers>;

ZW7-40.5 Type vacuum circuit breaker is mainly used for outdoor 35kV power transmission system control and protection also applies to urban and rural power distribution networks and industrial and mining enterprises in the normal operation and short circuit protection purposes.

The overall structure of the insulator pillar product type; built vacuum interrupter type on the vase, porcelain vase for the next pillar vase.

For frequent operation place. And has good sealing, anti-aging, high pressure, no burning, no explosion, long life, convenient installation and maintenance features.

2. Parameter Data of vacuum circuit breaker

Mainly Technical parameters

NO.	Item			Unit	data
1	Rated voltage			kV	40.5
2	Rated insulation level	1min power frequency withstand voltage	dry	kV	95
		1min power frequency withstand voltage	wet		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 operating sequence				O-0.3s-CO-180s-CO
6	Rated short-circuit breaking current breaking times			times	20
7	Rated short- circuit closed current (peak)			kA	50,63,80
8	Rated peak withstand current			kA	50,63,80
9	Rated short-time withstand current			kA	20,25,31.5
10	Rated short-circuit duration			s	4
11	Average opening speed			ms	1.5±0.3
12	Average closing speed			ms	0.6±0.3
13	Contact closing bounce duration			ms	≤5
14	Three phase closing and opening synchronism			ms	≤2
15	Opening time			ms	≤90
16	Closing time			ms	≤60
17	Mechanism life			times	10000
18	Rated operating voltage and auxiliary loop rated voltage			V	DC 110/220
18	Rated operating voltage and auxiliary loop rated voltage			V	AC 110/220
19	Phase loop DC resistance (without current transformer)			µΩ	≤100
20	Permitted accumulate wear-thickness of dynamic and static contact			mm	3
21	Weight			kg	900

3. Product application

height above sea level:1000m.
Air filthy degree: III degrees.

Ambient temperature:-30ºC~+40ºC
Ambient humidity:average humidity per day is no more than 95%:average humidity per month is no more than 90%.
Earthquake intensity:not exceed 8 degrees.
Saturated vapour pressure:average pressure per day is no more than 2.2kPa:average pressure per month is no more than 1.8kPa.

4. Photo and drawing

5. Factory

6. Delivery

7. FAQ

1. Send the technical data, better for all useful information; we will make a good recommendation.

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

2. The lead time depend on quantity of order. Some standard type is on stock. Otherwise, it will take 3-15 days.

3. Usually shipped by sea, small order or urgent order we can send you by air.

4. All our activities are accredited to ISO 14001:2015 and IEC standard.

Product Tags:


*From:	Your email address is incorrect!
*To:	Xi'an Xigao Electricenergy Group Co., Ltd.
*Subject:	Subject is empty!
*Message:	For the best results, we recommend including the following details: -Self introduction -Required specifications -Inquire about price/MOQ Characters Remaining: (0/3000) Please enter 20 to 3000 characters to contact this supplier!

Categories	Vacuum Circuit Breaker
Brand Name:	XG
Model Number:	ZW7
Certification:	ISO CCC
Place of Origin:	XIAN, China
MOQ:	1 SET
Payment Terms:	L/C, T/T, D/A, D/P, Western Union, MoneyGram
Supply Ability:	2000 SET
Delivery Time:	7-15 DAYS
Packaging Details:	WOODEN CASE
Warranty:	12 months
OEM:	Yes
Package:	exporting standard package
MOQ:	1set
Operation type:	electric or manual
life span:	More than 15 YEARS
Working Temperature:	-45℃ to +40℃
Function:	control and protection