40.5kv Outdoor High Voltage Sf6 Sulfur Hexafluoride Circuit Breaker
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40.5kv Outdoor High Voltage Sf6 Sulfur Hexafluoride Circuit Breaker

40.5kv Outdoor High Voltage Sf6 Sulfur Hexafluoride Circuit Breaker

Overview Customized products can consult online customer service! PRODUCT DETAILS outdoor high voltage vacuum circuit br
Basic Info.
Model NO. LW8
Poles Number 3
Type Circuit Breaker
Function Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
Certification ISO9001-2000, CCC
OEM Offered
Certificate ISO CCC IEC
Weight of Sulfur Hexafluoride Gas 7-8kkg
Mechanical Life 10000 Times
Rated Frequency 50/60Hz
Phase Three
Rated Current up to 2500A
Related Voltage up to 40.5kv
Product Name Outdoor Vacuum Circuit Breaker
Transport Package Normal Export Case
Specification 1750*450*3324
Trademark Zhegui Electric
Origin Zhejiang, China
HS Code 8537209000
Production Capacity 50pieces/Week
Product Description

Customized products can consult online customer service!


outdoor high voltage vacuum circuit breaker

The product has excellent breaking performance. It adopts compressed air arc chamber with long electric life. It can continuously break 40ka short circuit current for 20 times underrated voltage without maintenance or replacement of sulfur hexachloride gas. It has high mechanical reliability and mechanical life of more than 10000 times. It can be operated frequently; Each set can be equipped with 12 current transformers for users to choose. The product adopts a new type of MKZMSF6 pointer densimeter, and the reading of the pressure gauge is not affected by the temperature change, so it is easy to use
This type of circuit breaker is a three-phase AC50 Hz outdoor high-voltage electrical equipment, which is suitable for the control and protection of 40.5 kV power distribution system. It can also be used for connecting circuit breaker and switching capacitor bank. This product is equipped with CT14 spring machine. The circuit breaker meets the requirements of national standaroGB1984-1989 "AC high voltage circuit breaker" and IEC 56, IEC 62271-100 "high voltage AC circuit breaker".

The main characteristics of circuit breaker
Excellent braking performance, use vacuum arc, high breaking capability, mechanical life of up to 10000 times, has the advantages of simple structure, free maintenance, no maintenance cycle long; good insulation performance, good anti-contamination ability; can be installed current transformer according to customer requirements, the measurement accuracy up to0.2 class, can realize the three-phase interactive protection.
The technical parameters of the form are for reference only.Customized products can consult online customer service!
Rated voltagekV243640.5
Rated insulation levelLightning impulse withstandvoltage (full wave peak)kV150170210*/215(fracture)185
Power frequency withstand voltage (1 minute)kV657595
Rated currentA1250/1600/2000/2500
Mechanical lifetime10000
SF6 gas rated pressure (25 gauge pressure)MPa0.45
Blocking pressure (time gauge pressure)Mpa0.40
Maximum 4 ºC ambient temperatureºC-30
Rated short circuit breaking currentkA20/25/31.5/40
Rated short circuit making current (peak value)kA50/63/80/100
Rated short time withstand current (thermal stability current)kA20/25/31.5/40
Rated peak withstand current (dynamic stability current)kA50/63/80/100
Rated out of step breaking currentkA50/63/80/100
Rated short circuit durations4
Closing time (at rated operating voltage)ms≤80≤80≤100
Opening time (under rated operating voltage)ms≤65≤65≤70
Rated operating sequence 0-0.3s-CO-180s-CO
Rated switching current of single capacitor bankA400
Annual air leakage rate%/year≤1
Water content of SF6 gas (at 20 ºC)PPm(V/V)≤150
Rated operating voltage of ct14 spring operating mechanismVDC:110,220 AC; 110, 220,380
Closing coil and breaking coil voltageVDC:110,220 AC; 110, 220,380
Voltage of energy storage motorVAC:220 DC:220
Closing speedm/s3.2 ± 0.23.2 ± 0.23.2 ± 0.2
Opening speedm/s3.4±0.23.4±0.23.4±0.2
Weight of sulfur hexafluoride gaskg7-8
Weight of circuit breaker (including operating mechanism)kg800/900/1400

1. Ambient temperature: upper limit +40ºC, lower limit -30°; Days difference does not exceed 32K
2. Altitude: 1000m and the following areas
3. Wind pressure: not more than 700Pa (corresponding to the wind speed 34m/s)
4. Air pollution level: IV class
5. Earthquake intensity: do not exceed 8 degree
6. Ice thickness: no more than 10mm

Zhejiang ZheGui Electric Co., Ltd established in 2013. We are located in Zhejiang with convenient transportation access and developed electrical market. We are group of private enterprises that hold the production license issued by the former ministry of energy and ministry mechanical and electrical engineering. The company has nearly 60 million fixed assets and more than 60 employees, covering 23133 square meters. We are specialized in R&D production of complete switchgear of high and low voltage equipment such as prefabricated substation, distribution cabinet/box, drawer cabinet, ring network cabinet, inflatable cabinet, etc. We own three CNC bending machines, CNC shearing machines, CNC laser cutting machines and a series of advanced production equipment to further optimized the product structure and improve the efficiency of production. After nearly 7 years of development, it has passed ISO 9001-2000 quality system certification. All items produced by our own factory, so our advantages are: reliable quality and reasonable price. Gather the world's energy to delight your business. It's honorable for Zhegui to share your progress, brilliance and success!

Contact UsFAQ

Q1: Are you a factory or trading companyA1: We are a factory, we can guarantee our price is first-hand, very cheap and competitive.

Q2: How does your factory do regarding quality control?A2: All the products will be 100% checked before the shipment.

Q3: When can I get the price?A3:Usually we quote within 24 hours after we get your inquiry.

Q4: How could I get a sample?A4: if you can not buy our product in your local area, we will ship a sample to you. You will be charged a sample price plus all related shipping costs. Express delivery charge depends on the quantity of the samples.

Q5: What is the price of shipping?A5: Depending upon the port of delivery, prices vary.