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KYN28-12 Factory Customized Sizes Long Service Life Aluminum-Zinc Plate Metal Armoured Medium Open Type Switchgea

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KYN28-12 Factory Customized Sizes Long Service Life Aluminum-Zinc Plate Metal Armoured Medium Open Type Switchgea

Brand Name : Qiupu

Model Number : YB-12/630A/1250A

Certification : ISO,CE

Place of Origin : Zhenjiang,China

MOQ : Negotiable

Price : Negotiable

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 5000

Delivery Time : 7 days

Color : According to customer needs, customized

Shape : customized

Product Features : control electrical distribution system

Material : aluminum-zinc plate

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Outdoor Prefabricated Substation European Style Electrical Substation Box high voltage switchgear components


Product description


KYN28-12 armored removable AC metal-enclosed switchgear is suitable for three-phase AC rated voltage 12kV, rated frequency 50Hz power system, used to receive and distribute electrical energy and control, protect and monitor the circuit.
This product complies with GB3906 "3~35kV AC metal-enclosed switchgear", GB/T11022 "High-voltage switchgear and control equipment standard common technical requirements", IEC60298 ``rated voltage 1KV above 52KV and below AC metal enclosure switch equipment and control equipment" , DL/T404 "Indoor AC High Voltage Switchgear Ordering Technical Conditions" standard requirements.


Model and its meaning


①High voltage armored switch cabinet
②Removable

③Indoor type
④Design serial number

⑤Rated voltage
⑥Vacuum circuit breaker

⑦Spring operating mechanism
⑧Rated current

⑨Rated short-circuit breaking current
⑩One time plan number


Conditions of Use


• The upper limit of ambient air temperature +40°C, the lower limit of -15°C
•Maximum altitude of equipment installation site: 1000m
•Environmental humidity Daily average relative humidity W 95% Monthly average relative humidity W 90%
• The earthquake intensity does not exceed 8 degrees
• The surrounding air should not be significantly polluted by corrosive or combustible gas, water vapor, etc.
• No serious pollution and frequent severe vibration.


Technical Parameters


NameUnitparameter
Rated voltageKV12
Power frequency withstand voltageRated insulation levelKVBetween phases and to the ground: 42; Fracture: 48
Lightning strikeKVBetween phases and to the ground: 75; Fracture: 85
Rated frequencyHz50
Circuit breaker rated currentA630, 1250, ,1600,2000,2500,3150,4000
Switch cabinet rated currentA630, 1250, ,1600,2000,2500,3150,4000
Rated short-circuit breaking currentkA20,25,31.5,40
Rated short-time withstand current of main circuitkA/4s20,25,31.5,40
Protection levelIP4X



Installation dimension drawing



A. Busbar room
B. Circuit breaker handcart room
C. Cable room
D, relay instrument room leak pressure device
1, 1 Waidi
1, 2 Secondary wiring trough
2. Branch bus
3. Busbar casing
4. Main bus
5. Static contact device
6. Static contact box
7. Current transformer
8. Grounding switch
9. Cable
10. Lightning arrester
11. Ground bus

12. Loading and unloading partitions
13. Partition (trap)
14. Secondary plug
15. Circuit breaker handcart operating mechanism
16. Circuit breaker handcart
17. Withdrawable horizontal partition
18. Grounding switch operating mechanism
19. Bottom plate


Need to know when ordering


Users need to provide the following information if ordering
• Main circuit plan number, purpose and main line system diagram, distribution room layout diagram and arrangement diagram, etc.

• Requirements for control, measurement and protection functions of switchgear, as well as requirements for other locking and automatic devices.
• The model, specification and quantity of the main electrical components in the switchgear.
• If the busbar bridge connection is required between switchgear or the incoming cabinet, the rated current carrying capacity of the busbar bridge, the span of the busbar bridge, the height from the ground and other specific requirements data should be provided.
• When the switchgear is used under special environmental conditions, it should be specified when ordering.
• Other special requirements.



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