DFW-12/630 12 kV Fixed Medium-Voltage RMU Switchg | 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
The DFW-12/630 is a fixed-installation medium-voltage RMU switchgear cabinet for AC electrical systems. Its stated primary ratings are 12 kV, 630 A, and 50/60 Hz. Operation may be manual or electric, and the enclosure is listed with an IP4X degree of protection.
The stated switching ratings include 630 A active-load breaking current, 630 A closed-loop breaking current, 10 A cable-charging breaking current, and 1,750 A transfer current.
Short-circuit data includes a 31.5 kA fuse-group breaking current, 50 kA peak withstand current, 20 kA short-time withstand current, and 50 kA short-circuit making current. The grounding loop is listed at 20 kA for two seconds and 50 kA peak withstand current.
Insulation ratings are stated as 42 kV power-frequency withstand voltage for one minute phase-to-earth and 48 kV across the isolating fracture. Lightning-impulse withstand ratings are 75 kV peak phase-to-earth and 85 kV peak across the isolating fracture.
The listed SF6 gas relative pressure is 0.045 MPa at 20°C, while the internal-arc duration test is stated as 31.5 kA for 0.5 seconds. Mechanical-life figures are 5,000 load-switch operations and 2,000 earth-switch operations.
Before procurement, buyers should confirm the required cabinet configuration, functional units, protection scheme, fuse specification, operating mechanism, control voltage, cable-entry arrangement, dimensions, and included accessories.
The available information does not define the applicable installation environment, internal-arc classification, governing switchgear standard, complete type-test documentation, or the precise scope of the stated ISO 9001 certification.
These points should be checked against project drawings, system studies, local regulations, and the final approved technical schedule. Buyers should also confirm whether SF6-based equipment is acceptable under applicable environmental and procurement requirements.
DFW-12 | Applications and Buyer Notes
DFW-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-time
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
- DFW-12/630Based on visible page data; confirm exact value in the RFQ.
- Current type
- ACBased on visible page data; confirm exact value in the RFQ.
- Product type
- Fixed medium-voltage RMU switchgear cabinetBased 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.
- Rated frequency
- 50/60 HzBased 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
Product sourcing keywords
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