KYN28-12 12 kV 630 A Air-Insulated Withdrawable V | RFQ Sourcing Details
Medium Voltage Switchgear · Quote on request
This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.
Product specs
Buyer's Digest
Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Medium Voltage Switchgear. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.
Original product description
Product overview This KYN28-12 medium-voltage switchgear combines an air-insulated cabinet with a withdrawable vacuum circuit breaker. The draw-out circuit-breaker arrangement is intended to simplify access during inspection and maintenance.
Individual units can be combined to meet specified system functions, subject to confirmation of the required panel arrangement, protection scheme, and auxiliary equipment. Supported technical data The listed ratings are 12 kV rated voltage, 630 A rated current, and 50/60 Hz rated frequency.
The stated short-circuit current and three-second short-time withstand current are both 20 kA, while the listed peak withstand current is 50 kA.
Power-frequency withstand voltage is given as 42/48 kV, lightning-impulse withstand voltage as 75/85 kV, and the secondary-loop one-minute power-frequency withstand voltage as 2 kV. The cabinet is described as air insulated and fitted with a withdrawable vacuum circuit breaker.
The listing also specifies a stainless-steel shell, IP56 shell protection grade, and availability of customization. Listed certification information includes ISO9001:2000, CCC, and type testing;buyers should request the applicable documents and verify that their scope covers the exact offered configuration.
Operating environment Stated service conditions include an ambient operating temperature from -15°C to +40°C, altitude not exceeding 1,000 m, earthquake intensity not exceeding degree 8, and wind pressure no greater than 700 Pa. Storage and transportation at temperatures down to -30°C are stated as permissible.
The installation location should be free from fire or explosion hazards, serious contamination, chemical corrosion, and intense vibration.
Procurement points to confirm Before ordering, confirm the required single-line diagram, number and function of panels, busbar rating, incoming and outgoing arrangements, protection relay, control voltage, metering, interlocks, cable-entry direction, and communication requirements.
The model designation contains “25KA,” while the supplied technical table states 20 kA short-circuit and three-second withstand ratings;the applicable rating must therefore be resolved in the approved technical schedule.
Buyers should also confirm cabinet dimensions, enclosure construction, internal-arc requirements, applicable standards, test-report coverage, supplied accessories, installation conditions, packing, documentation, and maintenance requirements.
KYN28-12 | Applications and Buyer Notes
KYN28-12 is organized as a sourcing-ready Medium Voltage Switchgear reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-tim
Applications
- Initial shortlist building for related product or supplier options.
- Specification and application fit review before bulk purchasing.
- Category, keyword and detail-page comparison before sending an RFQ.
Key specifications
- Category
- Medium Voltage SwitchgearBased on visible page data; confirm exact value in the RFQ.
- Unit
- setBased on visible page data; confirm exact value in the RFQ.
- Model
- KYN28-12/630-25KABased on visible page data; confirm exact value in the RFQ.
- Rated current
- 630 ABased on visible page data; confirm exact value in the RFQ.
- Rated voltage
- 12 kVBased on visible page data; confirm exact value in the RFQ.
- Shell material
- Stainless steelBased on visible page data; confirm exact value in the RFQ.
- Circuit breaker
- Withdrawable vacuum circuit breakerBased on visible page data; confirm exact value in the RFQ.
- Insulation type
- Air insulatedBased on visible page data; confirm exact value in the RFQ.
Buyer tips
- State quantity range and split-delivery needs before price comparison.
- Add certification, material or inspection standards when they affect acceptance.
- For time-sensitive projects, include target arrival date and destination.
- For special applications, describe operating condition, installation environment and duty cycle.
FAQ
What should buyers confirm first?
Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.
Can buyers inquire when specs are incomplete?
Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.
How should this listing be evaluated?
Check title, category, specifications and related keywords against the actual sourcing requirement.
Source mix: ugc
Key specifications
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