POWER TRANSMISSION AND DISTRIBUTION COMPLETE SETS OF EQUIPMENT ONE-STOP SERVICE
KYN28A-12 Armored withdrawable AC metal-clad switchgear
The KYN28-12 metal-enclosed switchgear is suitable for 7.2~12kV three-phase AC 50Hz power grids. It is used for receiving and distributing electrical energy, as well as controlling, monitoring, and protecting circuits.
Keyword:
Classification:
High and Low Voltage Equipment
Overview
The KYN28-12 metal-clad withdrawable switchgear is suitable for 7.2~12kV three-phase AC 50Hz power grids. It is used for receiving and distributing electrical energy, and for controlling, monitoring, and protecting circuits. It can be used in single busbar and single busbar sectionalizing systems. It complies with IEC298 "AC metal-enclosed switchgear and controlgear above 1kV and up to 52kV", OEC694 "Common clauses for high-voltage switchgear and controlgear", GB3906 "3.6kV-40.5kV AC metal-enclosed switchgear and controlgear", GB11022 "Common technical conditions for standards of high-voltage switchgear and controlgear", and DL/T404 "3.6kV-40.5kV AC metal-enclosed switchgear and controlgear", and has complete and reliable anti-misoperation functions.
Usage Environmental Conditions
• Ambient temperature: Maximum temperature +40℃, minimum temperature -15℃.
• Ambient humidity: Daily average relative humidity not exceeding 95%, monthly average not exceeding 90%.
• Altitude: Not exceeding 1000m.
• Earthquake resistance: Seismic intensity not exceeding level 8.
• The surrounding air should not be significantly polluted by corrosive or combustible gases, water vapor, etc. No frequent violent vibrations.
• When used under conditions exceeding the normal environmental conditions specified in GB3906, it shall be negotiated between the user and our company.
Technical Parameters
Switchgear Technical Parameters
| Item |
Unit |
Data |
|
| Rated Voltage |
kV |
7.2、12 |
|
| Rated Frequency |
Hz |
50 |
|
| Rated Current |
A |
630~4000 |
|
| Rated Insulation |
Imin Power Frequency Withstand Voltage (relative to ground/open circuit) |
kV |
28/32、42/48 |
| Level |
Lightning Impulse Withstand Voltage (relative to ground/open circuit) |
kV |
60/70、75／85 |
| Rated Short-Time Withstand Current (4S) |
kA |
20，25，31.5，40，50 |
|
| Rated Peak Withstand Current |
kA |
50，63，80，100，125 |
|
| Protection Level |
|
Shell IP4X, IP2X when the trolley compartment door is open |
|
| Dimensions (Width × Depth × Height) |
mm |
800(1000)x1500(1700,1900) x 2370 |
|
| Weight |
kg |
800~1200 |
|
For rated short-time withstand current of 31.5kA and below, and branch busbar rated current of 1600A and below, the cabinet width is 800mm;
For rated short-time withstand current of 40kA and above, and branch busbar rated current of 1600A and above, the cabinet width is 1000mm, and the cabinet depth is selected by the user according to the scheme.
This switchgear is equipped with SCHVI vacuum circuit breakers manufactured by our company, and can also be equipped with Siemens 3AE and 3AJ1, ABB VD4 and HD4, and Schneider Evolis and EV12 vacuum circuit breakers.
Ordering Information
Please provide the following information when ordering:
• Switchgear model, quantity, delivery date and primary scheme number;
• Primary system diagram, secondary principle diagram and switchgear arrangement diagram;
• Main busbar rated current and model and specifications of primary components;
• Special requirements (if any).
Contact Us
Contact E-mail
Contact Address
No. 538 Xingfu Road, Industrial East District, Xindu District, Chengdu, Sichuan Province
About North
The company is an integrated enterprise engaged in R&D, design, manufacturing, and sales of power transmission and distribution complete equipment, forming a diversified development pattern.
Its product range includes: high and low voltage switchgear, distribution panels, prefabricated substations, bus duct, transformers, electrical components, intelligent power backend monitoring systems, energy management systems, and intelligent fire protection cloud systems.
These products are widely used in industrial and mining enterprises, municipal construction, hospitals, colleges, office buildings, commercial complexes, substations, petrochemical industries, rail transit, and machinery sectors.
The company occupies an area of
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Qingyang Headquarters Economic Base Phase III Project
Suining Financial and Commercial Center
Yantai High-tech Zone Cold Chain Logistics Project
Rizhao Oriental Colorful City Project
Public Health Service Center Project of Mechanical and Electrical Branch
Production and installation of low-voltage intensive bus duct products for Chengdu Huaikou South Station power distribution project
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Contact Us
No. 538 Xingfu Road, Industrial East District, Xindu District, Chengdu, Sichuan Province