Zn28-12 High Voltage Indoor Vacuum Circuit Breaker

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Speed: Normal Type Circuit Breaker
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: ZN28
• Arc-extinguishing Medium: Vacuum
• Installation: Open Frame
• Structure: MCCB
• Poles Number: 2
• Type: Circuit Breaker
• Function: Overcurrent Protection
• Certification: ISO9001-2000, CE
• Nominal Voltage: 12kv
• Rated Frequency: 50Hz
• Rated Current: 630A
• Color: Customization
• Transport Package: Wooden Box
• Specification: 340*627*100
• Trademark: CHSH
• Origin: China
• HS Code: 8504401990
• Production Capacity: 1000PCS/Years
• Package Size: 50.00cm * 35.00cm * 30.00cm
• Package Gross Weight: 15.000kg

Product Description

Product Description

ZN28-12 series vacuum circuit breakers are high-voltage indoor switchgear with rated voltage of 12kV and three-phase AC of 50Hz. The product conforms to the GB1984-89 standard. The overall structure of the product is integrated installation of the switch body and the operating mechanism, and the switch body and the operating mechanism are installed in two forms. The integrated structure is ZN28-12 basic type. Split structure ZN28A-12 type, suitable for fixed switchgear, such as GG-1A(Z),XGN2A10(Z).

 

The product can be used with CD17, CD10A type DC electromagnetic operating mechanism and CT17, CT19 type spring energy storage operating mechanism.

 

 

Technical Parameters

Rated short-circuit breaking current	20KA
Rated peak withstand current	50KA
Rated short-circuit closing current (peak)	50KA
4S rated short-time withstand current	20KA
mechanical life	10000 TIME

Packaging & Shipping

 

Company Profile

ABOUTUS
Shenheng Power Equipment CO.,LTD is a company specializing in the production of high and low voltage switch power transmission and distribution equipment and high, low voltage electrical components, one of the professional production enterprises, the production of all fully insulated and fully sealed inflatable cabinet intelligent solid insulation ring main unit,outdoor high voltage cable branch box,box-type substation, etc. Product quality is stable, reliable, It is deeply trusted and approved by the customers.

Manufacturing of the main products are YBW box-type substation KYN61-40.5,KYN28A-24,KYN28A-12,XGN2-10,HXGN-10 high voltage switch gear,XGN ring net cabinet SHSRM inflatable ring main unit,SHSG solid ring main unit,MNS.GCS,GCS,GGD,XL low voltage switch gear,vacuum circuit breaker,oil immersed transformer,dry type transformer current /potential transformer,load break switch and other power transmission and distribution equipment.

For a long time also for all kinds of metallurgy,ship building,electric power,mining, and intelligent buildings. high-rise buildings, hospitals, schools and other industries to provide high quality power transmission and distribution of complete sets of equipment and electrical control equipment.The company has a strong technical force, sophisticated technology and sophisticated testing methods, and the products sell well across the country.

Certifications

 

FAQ

1.Are you a trading company or a manufacturer?
We are a professional factory with 10 years of experience in the field of high and low voltage switch gear and substation. Transformers, cables, distribution boxes and various electrical equipment, such as vacuum circuit breakers, load breaking switches, etc. Our factory is an excellent supplier of the State Grid Corporation of China.

2.Do you accept custom service?
We provide OEM/ODM services, according to your drawings and parameters, our professional technical and national team can provide satisfactory solutions.

3.What is your minimum order quantity?
Our minimum order quantity is 1 piece.

4.What is your lead time?
It depends on your product requirements and quantity. It usually takes 5-10 working days.

5.How do you solve quality problems?
Please provide detailed photos of the quality problem. Our technical and quality inspection departments have done a good analysis. We'll come up with a satisfactory solution within two days.

6.What are your terms of payment?
T/T payment can negotiate the balance of deposit.Western Union, letter of credit is also acceptable.