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辽源DFW-12 European style cable junction box
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Product Description
Overview
European-style cable distribution box is a cable-based engineering equipment widely used in power distribution network systems in recent years. Its main features are two-way opening and the use of wall bushings as connecting busbars. It has small length, clear cable arrangement, and three-core Significant advantages include the need for cables to cross over large spans.
The cable connector used complies with DIN47636 standard. - Generally, bolt-fixed cable joints with a rated current of 630A are used.
Model meaning
| DFWK | 口 | - | K | 口 |
| Cable junction box | Voltage level | Number of circuits (Total number of incoming and outgoing lines in one phase) |
A means with lightning arrester Default is without |
Conditions of use
• Ambient temperature: Maximum temperature: +40°C, minimum temperature -30°C;
• Wind speed: equivalent to 34m/s (not more than 700Pa);
• Humidity: daily average relative humidity is not more than 95%, monthly average relative humidity is not more than 95%;
• Shockproof: horizontal acceleration is not more than 0.4m/s?, vertical acceleration is not more than 0.15m/s? Installation site inclination: not more than 3°;
• Installation environment: the surrounding air is not obviously polluted by corrosive, flammable gases, water vapor, etc., and there is no severe vibration at the installation site.
Main technical parameters
| project | Unit | Parameter |
| Rated voltage | kV | 12 |
| Rated current | A | 630 |
| Dynamic stability current | kA/0.3s | 50 |
| Thermal stability current | kA/3s | 20 |
| 1min power frequency withstand voltage | kV | 42 |
| 15min DC withstand voltage | kV | 52 |
| Lightning impulse withstand voltage | kV | 105 |
| Box protection level | IP33 |
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