DFW-12 10kV
DFW-12 10kV
DFW-12 10kV
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  • DFW-12 10kV
  • DFW-12 10kV
  • DFW-12 10kV

Product Specifications:

Basic Electrical Parameters

Table

Parameter Item

Standard value

Rated Voltage / Frequency

12 kV (system 10 kV), 50 Hz/60 Hz

Rated operating current

Standard 630A; plug-in connector 200A

Rated short-time withstand current

20 kA/3 s, 25 kA/3 s

Rated peak withstand current

50 kA, 63 kA

1 min power-frequency withstand voltage (to ground)

42kV

Lightning impulse withstand voltage

75kV

Circuit contact resistance

≤40 μΩ

Partial discharge quantity

≤10 pcs (15 kV test voltage)

Enclosure protection rating

Outdoor enclosure IP33; internal cable connectors fully insulated to IP67.

Implementation Standard

GB/T 11022, GB 12706, IEC 62271

 

Environmental Operating Conditions

  • Ambient temperature: -40℃ ~ +45℃
  • Applicable altitude: ≤2500m (Customizable for high altitudes)
  • Humidity: Daily average humidity ≤95% , resistant to rain and short-term waterlogging
  • Incoming and outgoing circuits: 2 Circuit~ Flexible circuit configuration (one input to multiple outputs, multiple inputs to multiple outputs)

Common external dimensions (mm)

2 circuits: 800×700×1020; 4 circuits: 1040×700×1020; 6 circuits: 1390×700×1020. Enclosure material: cold-rolled steel sheet with powder coating / 304 stainless steel.

 

 

Application scenarios:

  1. Urban Distribution Network Cable Renovation : Urban road cable networks, undergrounding of overhead lines in urban areas, and municipal cable branch connection nodes
  2. Distribution for Residential and Commercial Buildings : Residential communities, office buildings, shopping malls, and mixed-use complexes 10kV Cable Branch Distribution
  3. Used in conjunction with a packaged substation. : Cable collection at the front end of European‑style pad-mounted substations; centralized incoming and outgoing wiring for multiple substations.
  4. Public infrastructure projects : High-speed rail stations, airports, hospitals, tunnels, and underground utility tunnels—high-voltage cable transitions
  5. Industrial and mining facilities, new energy power stations : Branch and tap connections for collector circuits in industrial parks, photovoltaic power plants, and wind farms
  6. Road lighting, scenic area power distribution : Urban street lighting trunk lines, outdoor high-voltage distribution branch points in cultural and tourism parks

 

Product Advantages:

  1. Fully insulated and fully sealed, with a high safety factor.   Adopting the European style T The type features a touch‑safe, pre‑molded silicone rubber connector with no exposed live parts, ensuring that accidental contact will not result in electric shock. The enclosure is rain‑ and dust‑proof, and the connector is waterproof, capable of withstanding brief immersion.
  2. Maintenance-free design, low O&M costs   After outdoor installation, no periodic maintenance or cleaning is required; the cable joint’s sealing structure is stable, ensuring a long service life under normal operating conditions. ≥20 Year.
  3. Flexible wiring scheme and easy scalability.   Support 2~8 Any combination of incoming and outgoing lines can be equipped with… SF6 Load switches, surge arresters, and short-circuit fault indicators enable rapid identification of line fault locations.
  4. Compact footprint, easy installation   Direct burial outdoors / It can be installed on the ground and does not require a dedicated switchgear room, significantly reducing civil‑engineering costs compared with conventional switchgear cabinets.
  5. Strong resistance to harsh environments   The stainless steel enclosure is resistant to coastal salt spray and corrosive gases in industrial areas, and it avoids gas liquefaction even in low-temperature environments, ensuring stable operation in both extremely cold and rainy regions.
  6. High construction efficiency   Plug‑in cable joints enable rapid on‑site connection, eliminating the need for on‑site cast‑in‑place insulation and significantly shortening the cable termination construction schedule.

Keywords: DFW-12 10kV

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