DFW-0.4 Low-Voltage Cable Distribution Cabinet

FW-0.4 Low-Voltage Cable Distribution Cabinet is a supporting facility for the cable-based modernization of urban power distribution networks. It can be installed outdoors, indoors, or in buried applications, and serves to connect power cables to various equipment such as compact substations, load switch cabinets, switch-fuse combination units, and ring main units. It performs functions including tapping, branching, relaying, or transferring circuits, greatly facilitating the construction and operation of cable-based grid systems.

  • Fully Custom
  • Expedited Production Processing

Operating Conditions

·  Altitude: ≤ 2000 mMaximum Ambient Temperature: +45 °C

· Minimum Ambient Temperature: -25 °C

· Solar Radiation Intensity: 0.1 W/cm² (Wind Speed: 0.5 m/s)

·  Maximum Daily Temperature Variation: 25 K

· Indoor Relative Humidity: Daily Average ≤ 95%, Monthly Average ≤ 90%

·  Maximum Wind Speed: 35 m/s

·  Load: Simultaneous presence of 10 mm ice coating and 17.5 m/s wind speed.

Dimensions

Model Number and Designation Explanation DFW - 0.4 ¨ ① ② ③
Cable Distribution Cabinet
Voltage Class
Number of Circuits (Total number of incoming and outgoing lines per phase)
  Technical Parameters  
No. Parameter Unit Value
1 Rated voltage KV 0.4
2 Rated current A 100
3 Rated short-time withstand current KV 20/3
4 Rated peak withstand current KA 50
5 DC withstand voltage KV 52
6 5-minute power frequency withstand voltage KV 45
7 Lightning impulse withstand voltage KV 105
8 Partial discharge PC/KV ≤10/15
9 Loop resistance μΩ ≤4
10 Protection rating   IP33
11 Operating temperature range -50~+60
12 Applicable cable cross-section 25-400
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