ZW7-40.5 outdoor medium-voltage vacuum circuit breaker is a three-phase AC 50Hz outdoor high-voltage electrical equipment; it is suitable for the control and protection of 20-40.5kV power transmission and distribution systems; it can also be used in the occasions of section circuit breakers and switched capacitor banks; this product can be used with piecewise controller, the reclosing device can realize intelligent sectioning and reclosing control of the power system. A current transformer can be added for measurement and protection. The ring circuit breaker is equipped with a spring or electromagnetic actuator, with reliable mechanical performance and frequent operation; there is no risk of fire and explosion.
The main characteristics of the circuit breaker are excellent breaking performance, vacuum arc, high breaking capacity, mechanical life up to 10000 times, simple structure, maintenance free, and long maintenance cycle; Good insulation performance and strong anti pollution ability; Current transformers can be installed according to customer requirements, with a measurement accuracy of up to 0.2 level, enabling three-phase interaction. Standard: IEC 62271-100
● ZW7-40.5 outdoor medium-voltage vacuum circuit breaker is a three-phase AC 50Hz outdoor high-voltage electrical equipment; it is suitable for the control and protection of 20-40.5kV power transmission and distribution systems; it can also be used in the occasions of section circuit breakers and switched capacitor banks; this product can be used with piecewise controller, the reclosing device can realize intelligent sectioning and reclosing control of the power system. A current transformer can be added for measurement and protection. The ring circuit breaker is equipped with a spring or electromagnetic actuator, with reliable mechanical performance and frequent operation; there is no risk of fire and explosion.
● The main characteristics of the circuit breaker are excellent breaking performance, vacuum arc, high breaking capacity, mechanical life up to 10000 times, simple structure, maintenance free, and long maintenance cycle; Good insulation performance and strong anti pollution ability; Current transformers can be installed according to customer requirements, with a measurement accuracy of up to 0.2 level, enabling three-phase interaction.
● Standard: IEC 62271-100.
1. Extremely high reliability
2. Completely maintenance-free throughout its lifetime
3. Has high mechanical and electrical life
4. The whole machine is small in size, light in weight, easy to install
 |
1.Ambient air temperature: -30ºC~+60ºC;
2. Altitude: no more than 2000 meters;
3. Wind pressure: not more than 700Pa (corresponding to the wind speed 34m/s)
4. Vibration or ground motion from outside the switchgear and control equipment is negligible;
5. Contamination level: IV;
6. Storage temperature -40ºC~+85ºC.
7. Earthquake intensity: do not exceed 8 degree;
Q1: Are you a manufacturer or a trader?
A1: We are a leading professional manufacturer.
Q2: How long is your delivery cycle?
A2: It depends on your product requirements and quantity. Generally, 5 to 10 working days are required for delivery
Q3: What is your after-sales service?
A3: We can answer users' questions solve their problems 24 hours a day, and provide comprehensive technical support for all our products promptly.
Q4: How do you solve quality problems?
A4: Please provide detailed photos of the quality problems. Our technical and quality inspection departments will analyze them. We will give a satisfactory solution within 2 days.
Q5: Do you accept customized services?
A5: We provide OEM/ODM services and can print your logo on the products. Our professional technical and quotation team can provide satisfactory projects according to your drawings and parameters.
Factory
Certificate
Address
No.1083 Zhongshan East Road, Yinzhou District, Ningbo City, Zhejiang Province, China
Tel
