Cable branch box

European style 10kv cable branch box

The European-style cable branch box is a cable-based engineering equipment widely used in power distribution network systems in recent years. Its main features are two-way opening doors and the use of wall bushings as connecting busbars. It has the advantages of small length, clear cable arrangement, and three-core cables do not require large-span crossovers. The cable connector used complies with DIN7636 standard. Generally, bolt-fixed cable joints with a rated current of 630A are used.

Specifications

ambient temperatureMaximum temperature: +40℃, minimum temperature -30℃;

wind speedEquivalent to 34m/s (not greater than 700Pa);

humidityThe daily average relative humidity is not greater than 95%, and the monthly average relative humidity is not greater than 95%;

shockproofThe horizontal acceleration is not greater than 0.4m/s2, and the vertical acceleration is not greater than 0.15m/s2;

Installation site inclinationNot more than 3°;

Installation environmentThe surrounding air is not significantly contaminated by corrosive, flammable gases, water vapor, etc., and there is no severe vibration at the installation site.

Details

Product Overview

European-style cable branch 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 the advantages of small length, clear cable arrangement, and three-core cables do not require large-span crossovers. The cable connector used complies with DIN7636 standard. Generally, bolt-fixed cable joints with a rated current of 630A are used.

Functional features

1. Fully insulated and fully sealed structure, no insulation distance required, reliably ensuring personal safety.

2. Dust-proof, flood-resistant, corrosion-resistant and maintenance-free. It can be used outdoors or submerged in water, and is suitable for any harsh environment.

3. Compact structure, small size, easy installation, beautiful appearance, suitable for urban power grid transformation projects.

4. The incoming and outgoing lines are flexible, and multiple branch incoming and outgoing lines can be configured as needed to meet a variety of wiring requirements.

5. It can be equipped with live display, short circuit indicator and lightning arrester to improve the reliability and safety of power supply.

Application environment

Ambient temperature: Maximum temperature: +40℃, minimum temperature -30℃;

Wind speed: equivalent to 34m/s (not greater than 700Pa);

Humidity: the average daily relative humidity is not greater than 95%, and the average monthly relative humidity is not greater than 95%; class="MsoNormal">Installation site inclination: no more than 3°;

Installation environment: The surrounding air is not significantly contaminated by corrosive, flammable gases, water vapor, etc., and there is no severe vibration at the installation site.

Technical parameters

Project name	Unit	Technical parameters
Rated voltage	kV	12
Rated frequency	Hz	50
Rated current	A	630
Rated short-time withstand current (main circuit)	kA	25
Rated peak withstand current (main circuit)	kA	50
Rated short-circuit duration (main circuit)	s	4
Rated short-time power frequency withstand voltage	kV	42
Rated lightning impulse withstand voltage	kV	75
Box protection level		IP43
Partial discharge performance	pC	≤10

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