Introducing the ZN28 Series, a 10KV to 12KV Indoor Medium and High Voltage Vacuum Circuit Breaker (VCB). This state-of-the-art circuit breaker is designed for excellence in performance, offering reliable and secure power management for your high voltage needs.



VACUUM CIRCUIT BREAKER SPECIFICATION |
Product Name |
Indoor Vacuum Circuit Breaker |
Keywords |
Indoor Vacuum Circuit Breaker |
Product Model |
ZN28 |
Rated Voltage |
12KV |
Rated Current |
630/1250A/1600A/2000A/3150A |
Rated Short-Circuit Breaking Current |
20KA/25KA/31.5KA/40KA |
Rated Short-Circuit Closing Current |
20KA/25KA/31.5KA/40KA |
Rated Withstand Current (Peak Value) |
50KA/63KA/80KA/100KA |
Rated Short-Time Withstand Current |
50KA/63KA/80KA/100KA |
Rated Short-Circuit Duration |
4s |
Rated Short-Circuit Breaking Current Times |
20/50 Times |
Lightning Impulse Voltage |
75KV |
Mechanical Life |
1000 Times |
OEM & ODM Custom |
Accept |
MOQ |
1 Piece |
The above data is for reference only, please refer to the actual situation. |
Dependable Vacuum Circuit Breaker: Our solution ensures superior electrical performance, safety, and durability, making it the optimal choice for high voltage applications.
Efficient Load Break Switch: Experience seamless switching operations with our advanced load break switch, tailored for enhanced functionality in electrical systems.
Precision-crafted CNC Machining Parts: Each component is manufactured with unparalleled precision to fulfill demanding technical requirements with ease.
Premium Component and Accessory Selection: Discover a wide array of components and accessories, engineered to complement and enhance your electrical infrastructure.






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.