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KYN28-12 Metalclad AC Enclosed Switchgear, Withdrawable Type
KYN28A-12 indoor metal clad movable switchgear is a complete power distribution device for 3.6kV~12KV, 3 phase AC 50/60Hz, single bus sectionalized system. lt is mainly used for power transmission of middle/smallgenerators in power plants, power receiving, transmission for substations in power distribution and power system of factories, mines and enterprises etc. so as to control, protect and monitor the system.
Standard: IEC62271-200
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Product Details
Selection
Operating conditions
1. Ambient air temperature: -15℃ ~+40℃ .
2. Altitude: ≤1000m.
3. Relative humidity : Daily average≤95%, daily averange of vapour pressure≤2.2kpa.
4. Earthquake intensity: ≤magnitude 8.
5. Applicable in the places without corrosive and flammable gas and water vapor.
6. Used in place without frequently intense vibrant.
Note: Customized products are available.
Features
1. The cabinet is made of aluminum-zinc coated sheet processed by CNC equipment, andisassembled by bolts or rivets. The structure is fully assembled.
2. The switchgear has various functions to prevent misoperation, including preventing the load-bearing handcart from moving, preventing the live closing and grounding
3. The switchgear is equipped with high-performance VS1 series medium-voltage AC vacuum circuit breakers and solid-sealed vacuum circuit breakers.
4. The busbar adopts heat-shrinkable insulation materials and optimized electrode shapes, with a compact cabinet structure.
This switchgear is technologically advanced, with stable performance, reasonable structure, convenient use, and safe and reliable power distribution equipment
Technical data
| No. | Item | Unit | Data | ||
| 1 | Rated voltage | kV | 3.6, 7.2, 12 | ||
| 2 | Rated frequency of circuit breaker | Hz | 50 | ||
| 3 | Rated current of circuit breaker | A | 630, 1250, 1600, 2000, 2500, 3150, 4000 | ||
| 4 | Rated current of switchgear | A | 630, 1250, 1600, 2000, 2500, 3150, 4000 | ||
| 5 | Rated short-time withstand current (4s) | kA | 16, 20, 25, 31.5, 40, 50 | ||
| 6 | Rated withstands current (peak) | kA | 40, 50, 63, 80, 100, 25 | ||
| 7 | Rated short-circuit breaking current | kA | 16, 20, 25, 31.5, 40, 50 | ||
| 8 | Rated short-circuit closing current (peak) | kA | 40, 50, 63, 80, 100, 25 | ||
| 9 | Rated
insulation level |
1 min power frequency withstands voltage | between poles, pole to earth | kV | 24, 32, 42 |
| between open contacts | kV | 24, 32, 48 | |||
| Lightening impulse
withstands voltage (peak) |
between poles, pole to earth | kV | 40, 60, 75 | ||
| between open contacts | kV | 46, 70, 85 | |||
| 10 | Protection level | Shell: IP4X; IP2X when the CPT and CB doors are open | |||
Note:
1. The short circuit capacity of the current transformer should be separately considered.
2. See technical parameters of ZN63A-12 in related catalogues of our company.
VS1-12 Technical data
| Item | Unit | Value | ||||
| Contact distance | mm | 12 | ||||
| Contact travel | 75 | |||||
| Average closing speed (6mm~contact closed) | m/s | 42 | ||||
| Average opening speed (contact separation -6mm) | 20 | 25 | 31.5 | 40 | ||
| Opening time (rated voltage) | m/s | 630
1250 |
630, 1250, 1600,
2000, 2500, 3150 |
1250, 1600, 2000,
2500, 3150, 4000 |
||
| Closing time (rated voltage) | ||||||
| Contact closing bounce time | m/s | 20 | 25 | 31.5 | 40 | |
| Three phase opening asynchrony | 63 | 80 | 100 | |||
| Allowable cumulative thickness of wear for moving and stationary contacts | mm | 50 | 63 | 80 | 100 | |
| Rated short-circuit breaking current breaking times | Times | 80 | 50 | 30 | ||
| Secondary circuit power frequency withstand current | V | 2000 | ||||
| Rated operating sequence | Opening -0.3s - closing and opening -180s - closing and opening -180s - closing and
opening -180s - closing and opening (40kA |
|||||
| Rated thermal stability time | S | 4 | ||||
| Rated single/back to back capacitor bank breaking current | A | 630/400 | 800/400 | |||
| Mechanical life | Times | 20000 | 10000 | |||
Structure
Overall and mounting dimensions (refer to picture 2, sheet 2 )
| Shape | Description | Size（mm） |
| Width (W) | Rated current of branch bus ≤1250A, heat stable current≤40KA | 800(650) |
| Rated current of branch bus ≥1600A | 1000 | |
| Depth (C) | Cable Incoming and outgoing feeder | 1500 |
| Overheaded incoming and outgoing feeder | 1660 | |
| Height (B) | 2300(2200) |
Outline size
Single line diagram
| Program No. | 01 | 02 | 03 | 04 | 05 | 06 | |
| Single line diagram |  |
 |
 |
 |
 |
 |
|
| Overall and mounting dimensions (mm) (Width×Depth×Height) | 800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
|
|
main elecrical componets
|
Rated current(A) | 630~3150 | |||||
| VCB(ZN63 or VD4) | 1 | 1 | 1 | 1 | 1 | 1 | |
| CT LZZBJ9 series | 2 | 2 | 2 | 3 | 3 | 3 | |
| Earthing switch JN15 | / | 1 | 1 | / | 1 | 1 | |
| Surge arrester HY5W | / | / | 3 | / | / | 3 | |
| Circuit name | Receiving, feeding | Receiving, feeding | Receiving, feeding | Receiving, feeding | Receiving, feeding | Receiving, feeding | |
| Note | Cabinet weight will be 1000mm when rated current is above 1600A. | ||||||
| Program No. | 07 | 08 | 09 | 10 | 11 | 12 | |
| Single line diagram |  |
 |
 |
 |
 |
 |
|
| Overall and mounting dimensions (mm) (Width×Depth×Height) | 800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
|
| main elecrical componets | Rated current(A) | 630~3150 | |||||
| VCB(ZN63 or VD4) | 1 | 1 | 1 | 1 | 1 | 1 | |
| CT LZZBJ9 series | 2 | 2 | 2 | 2 | 3 | 3 | |
| Earthing switch JN15 | / | 1 | / | 1 | / | 1 | |
| Circuit name | Communication
(Right) |
Communication
(Right) |
Communication
(Right) |
Communication
(Right) |
Communication
(Right) |
Communication
(Right) |
|
| Note | Cabinet weight will be 1000mm when rated current is above 1600A. | ||||||
| Program No. | 13 | 14 | 15 | 16 | 17 | 18 | |
| Single line diagram |  |
 |
 |
 |
 |
 |
|
| Overall and mounting dimensions (mm) (Width×Depth×Height) | 800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
|
| main elecrical componets
|
Rated current(A) | 630~3150 | |||||
| VCB(ZN63 or VD4) | 1 | 1 | 1 | 1 | 1 | 1 | |
| CT LZZBJ9 series | 3 | 3 | 2 | 2 | 2 | 2 | |
| Earthing switch JN15 | / | 1 | / | 1 | / | 1 | |
| Circuit name | Communication
(Left) |
Communication
(Left) |
Overhead incoming (left communication) | Overhead incoming (left communication) | Overhead incoming (right communication) | Overhead incoming (right communication) | |
| Note | Cabinet weight will be 1000mm when rated current is above 1600A. | ||||||
| Program No. | 19 | 20 | 21 | 22 | 23 | 24 | |
| Single line diagram |  |
 |
 |
 |
 |
 |
|
| Overall and mounting dimensions (mm) (Width×Depth×Height) | 800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
|
| main elecrical componets | Rated current(A) | 630~3150 | |||||
| VCB(ZN63 or VD4) | 1 | 1 | 1 | 1 | 1 | 1 | |
| CT LZZBJ9 series | 3 | 3 | 2 | 2 | 2 | 2 | |
| Earthing switch JN15 | / | 1 | / | 1 | / | 1 | |
| Circuit name | Overhead incoming (left communication) | Overhead incoming (left communication) | Overhead incoming (right communication) | Overhead incoming (right communication) | Overheaded incoming and outgoing feeder | Overheaded incoming and outgoing feeder | |
| Note | Cabinet weight will be 1000mm when rated current is above 1600A. | ||||||
| Program No. | 25 | 26 | 27 | 28 | 29 | 30 | |||
| Single line diagram |  |
 |
 |
 |
 |
 |
|||
| Overall and mounting dimensions (mm) (Width×Depth×Height) | 800×1660×2300 1000×1660×2300 |
800×1660×2300 1000×1660×2300 |
800×1660×2300 1000×1660×2300 |
800×1660×2300 1000×1660×2300 |
800×1660×2300 1000×1660×2300 |
800×1660×2300 1000×1660×2300 |
|||
| main elecrical componets | Rated current(A) | 630~3150 | |||||||
| VCB(ZN63 or VD4) | 1 | 1 | 1 | 1 | 1 | 1 | |||
| CT LZZBJ9 series | 2 | 3 | 3 | 3 | 2 | 2 | |||
| Potential transformer | / | / | / | / | JDZ10-10 | 2 | JDZ10-10 | 2 | |
| H.V fuse RN2-10 | / | / | / | / | 3 | 3 | |||
| Earthing switch JN15 | 1 | / | 1 | 1 | / | 1 | |||
| Surge arrester HY5W | 3 | / | / | 3 | / | / | |||
| Circuit name | Overheaded incoming and outgoing feeder | Overheaded incoming and outgoing feeder | Overheaded incoming and outgoing feeder | Overheaded incoming and outgoing feeder | Cable
incoming+PT |
Cable
incoming+PT |
|||
| Note | Cabinet weight will be 1000mm when rated current is above 1600A. | ||||||||
| Program No. | 31 | 32 | 33 | 34 | 35 | 36 | |||||||||
| Single line diagram |  |
 |
 |
 |
 |
 |
|||||||||
| Overall and mounting dimensions (mm) (Width×Depth×Height) | 800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
|||||||||
| main elecrical componets | Rated current(A) | 630~3150 | |||||||||||||
| VCB(ZN63 or VD4) | 1 | 1 | 1 | 1 | 1 | 1 | |||||||||
| CT LZZBJ9 series | 2 | 3 | 3 | 3 | 2 | 2 | |||||||||
| Potential transformer | JDZ10-10 | 2 | JDZ10-10 | 2 | JDZ10-10 | 2 | JDZ10-10 | 2 | JDZ10-10 | 3 | JDZ10-10 | 3 | |||
| H.V fuse RN2-10 | 3 | 3 | 3 | 3 | 3 | 3 | |||||||||
| Earthing switch JN15 | / | / | 1 | / | / | / | |||||||||
| Surge arrester HY5W | 3 | / | / | 3 | / | / | |||||||||
| Circuit name | Cable
incoming+PT |
Cable
incoming+PT |
Cable
incoming+PT |
Cable
incoming+PT |
Cable
incoming+PT |
Cable
incoming+PT |
|||||||||
| Note | Cabinet weight will be 1000mm when rated current is above 1600A. | ||||||||||||||
| Program No. | 37 | 38 | 39 | 40 | 41 | 42 | |||||||
| Single line diagram |  |
 |
 |
 |
 |
 |
|||||||
| Overall and mounting dimensions (mm) (Width×Depth×Height) | 800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
|||||||
| main elecrical componets | Rated current(A) | 630~3150 | |||||||||||
| VCB(ZN63 or VD4) | 1 | / | / | / | / | / | |||||||
| CT LZZBJ9 series | 2 | / | / | / | / | / | |||||||
| Potential transformer | JDZ10-10 | 3 | JDZ10-10 | 2 | JDZ10-10 | 3 | JDZ10-10 | 2 | JDZ10-10 | 3 | JDZ10-10 | 2 | |
| H.V fuse RN2-10 | 3 | 3 | 3 | 3 | 3 | 3 | |||||||
| Surge arrester HY5W | 3 | / | / | 3 | 3 | 3 | |||||||
| Circuit name | Cable
incoming+PT |
Voltage measure | Voltage measure | Voltage measure +Surge arrester | Voltage measure +Surge arrester | Voltage measure +Surge arrester | |||||||
| Note | Cabinet weight will be 1000mm when rated current is above 1600A. | ||||||||||||
| Program No. | 43 | 44 | 45 | 46 | 47 | 48 | |||||||
| Single line diagram |  |
 |
 |
 |
 |
 |
|||||||
| Overall and mounting dimensions (mm) (Width×Depth×Height) | 800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
|||||||
| main elecrical componets | Rated current(A) | 630~3150 | |||||||||||
| Potential transformer | JDZ10-10 | 3 | JDZ10-10 | 2 | JDZ10-10 | 2 | JDZ10-10 | 3 | JDZ10-10 | 3 | JDZ10-10 | 2 | |
| H.V fuse RN2-10 | 3 | 3 | 3 | 3 | 3 | 3 | |||||||
| Surge arrester HY5W | 3 | / | / | / | / | / | |||||||
| Circuit name | Voltage measure +Surge arrester | Voltage measure +Bus couple | Voltage measure +Bus couple | Voltage measure +Bus couple | Voltage measure +Bus couple | Voltage measure+Surge arrester+Bus couple | |||||||
| Note | Cabinet weight will be 1000mm when rated current is above 1600A. | ||||||||||||
| Program No. | 49 | 50 | 51 | 52 | 53 | 54 | ||||
| Single line diagram |  |
 |
 |
 |
 |
 |
||||
| Overall and mounting dimensions (mm) (Width×Depth×Height) | 800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
||||
| main elecrical componets | Rated current(A) | 630~3150 | ||||||||
| Potential transformer | JDZ10-10 | 2 | JDZ10-10 | 3 | JDZ10-10 | 3 | / | / | / | |
| H.V fuse RN2-10 | 3 | 3 | 3 | / | / | / | ||||
| Surge arrester HY5W | 3 | 3 | 3 | / | / | / | ||||
| Circuit name | Voltage measure+Surge arrester+Bus couple | Voltage measure+Surge arrester+Bus couple | Voltage measure+Surge arrester+Bus couple | Bus couple | Bus couple | Disconnection | ||||
| Note | Cabinet weight will be 1000mm when rated current is above 1600A. | |||||||||
| Program No. | 55 | 56 | 57 | 58 | 59 | 60 | |||
| Single line diagram |  |
 |
 |
 |
 |
 |
|||
| Overall and mounting dimensions (mm) (Width×Depth×Height) | 800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
|||
| main elecrical componets | Rated current(A) | 630~3150 | |||||||
| Potential transformer | / | / | JDZ10-10 | 2 | JDZ10-10 | 2 | / | / | |
| H.V fuse RN2-10 | / | / | 3 | 3 | / | / | |||
| Earthing switch Jn15 | / | / | / | / | / | 1 | |||
| Circuit name | Disconnection+
Communication(Left) |
Disconnection+
Communication(Right) |
Disconnection+
Communication(Left) +Voltage measure |
Disconnection+
Communication(Right) +Voltage measure |
Outlet and phase exchange | Outlet and phase exchange | |||
| Note | Cabinet weight will be 1000mm when rated current is above 1600A. | ||||||||
| Program No. | 61 | 62 | 63 | 64 | 65 | 66 | |||||||
| Single line diagram |  |
 |
 |
 |
 |
 |
|||||||
| Overall and mounting dimensions (mm) (Width×Depth×Height) | 800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
|||||||
| main elecrical componets | Rated current(A) | 630~3150 | |||||||||||
| CT LZZBJ9 series | 2 | 2 | 3 | 3 | 2 | 2 | |||||||
| Potential transformer | JDZ10-10 | 2 | JDZ10-10 | 2 | JDZ10-10 | 2 | JDZ10-10 | 2 | JDZ10-10 | 3 | JDZ10-10 | 3 | |
| H.V fuse RN2-10 | / | / | / | / | / | / | |||||||
| Circuit name | Measurement+
left communication |
Measurement+
Right communication |
Measurement+
left communication |
Measurement+
Right communication |
Measurement+
left communication |
Measurement+
Right communication |
|||||||
| Note | Cabinet weight will be 1000mm when rated current is above 1600A. | ||||||||||||
| Program No. | 67 | 68 | 69 | 70 | 71 | 72 | |||||||
| Single line diagram |  |
 |
 |
 |
 |
 |
|||||||
| Overall and mounting dimensions (mm) (Width×Depth×Height) | 800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
800×1500×2300 1000×1500×2300 |
|||||||
| main elecrical componets | Rated current(A) | 630~3150 | |||||||||||
| VCB(ZN63 or VD4) | / | / | 1 | 1 | / | / | |||||||
| CT LZZBJ9 series | 3 | 3 | 2 | 2 | 2 | 2 | |||||||
| Potential transformer | JDZX10-10 | 3 | JDZX10-10 | 2 | JDZX10-10 | 2 | JDZX10-10 | 2 | JDZX10-10 | 2 | JDZX10-10 | 2 | |
| H.V fuse RN2-10 | 3 | 3 | 3 | 3 | 3 | 3 | |||||||
| Circuit name | Measurement+
left communication |
Measurement+
Right communication |
Incoming+ Measurement | Incoming+ Measurement | Incoming+ Measurement | Incoming+ Measurement | |||||||
| Note | Cabinet weight will be 1000mm when rated current is above 1600A. | ||||||||||||
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Phone：86-577-6289 8809
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Email：cncele@cncele.com
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Address：CNC High-Tech Hutou Industrial Zone, Liushi Town,Yueqing . Wenzhou City, China
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