products

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

Basic Information
Place of Origin: XIAN, China
Brand Name: XG
Certification: ISO CCC
Model Number: ZW7
Minimum Order Quantity: 1 SET
Packaging Details: WOODEN CASE
Delivery Time: 7-15 DAYS
Payment Terms: L/C, T/T, D/A, D/P, Western Union, MoneyGram
Supply Ability: 2000 SET
Detail Information
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
High Light:

1250A Vacuum Circuit Breaker

,

ZW7 Vacuum Circuit Breaker

,

36KV Vacuum Circuit Breaker


Product Description

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
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
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

 

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5. Factory

 

ZW7 3 Phase 33KV 35KV 36KV 40.5KV 1250A Vacuum Circuit Breaker 1

 

6. Delivery

 

ZW7 3 Phase 33KV 35KV 36KV 40.5KV 1250A Vacuum Circuit Breaker 2

 

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.

 

Contact Details
Emma

Phone Number : +8613319220197

WhatsApp : +008613319220197