Product DescriptionThe low-voltage cable distribution box is
applicable to the low-voltage power distribution system with AC
50Hz and rated voltage of 220/380v in industrial and civil
buildings for lighting distribution and power circuit leakage,
overload, protection, etc. The box is made of SMC glass fiber
reinforced polyester material It has many advantages such as
environmental protection, beautiful appearance, no light pollution,
strong insulation, chemical corrosion resistance, flame retardant
and thermal insulation, good toughness, novel and compact
mechanism, convenient assembly, and unique rain proof and
ventilation design This product can be flexibly designed according
to the requirements of power users and design departments and the
principles of safety, economy, rationality and reliability. The
product has the characteristics of high breaking capacity, good
dynamic and thermal stability, flexible electrical scheme,
convenient combination, strong practicability, novel structure,
high protection level, etc.It can be widely used in the three-phase
low-voltage transmission and distribution system of outdoor public
places such as power transformation and distribution stations,
public mining enterprises, both sides of streets, garden
residential areas, high-rise buildings, airports, key construction
and reconstruction projects, as a certain type of equipment that
distributes power to other users and equipment by cables.Product
technical parameters Rated working voltage: AC3800VRated operating
frequency: 50 (60) HzRated insulation voltage: AC800VRated working
current: 100A, 200A, 400A, 630A, 800A, 1000ARated short-circuit
strength: 50KAEnclosure protection grade: IP44 Product
structure features and Installation precautionsFeatures of
low-voltage cable branch box:1. The box structure is divided into
SMC composite material combination mode and metal plate production
mode.2. The box of SMC composite material combination mode is made
of glass fiber reinforced polyester resin as a whole, and the box
is a plate structure, which can be simply assembled with simple
tools. The surface of SMC composite box is cast with stripThe edge
has the function of preventing small advertisement pasting.3. The
metal box is made of stainless steel plate, aluminum coated zinc
plate or ordinary steel plate. The box is formed by bending and
spraying outdoor plastic powder. The structure is compact and the
appearance is beautiful.4. The prefabricated cable plug device is
adopted, which has the excellent performance of full insulation,
full sealing, full waterproof, maintenance free, safe and reliable.
The cable plug devices have various varieties, complete
specifications, serialized configurations, and convenient
disassembly and assembly.5. The cable branch box adopts the
structure of component module assembly and frame assembly, and the
bus and feeder are insulated and enclosed.6. The incoming and
outgoing lines shall be insulated closed disconnectors. The
incoming and outgoing lines shall be plastic case circuit breakers.
The incoming and outgoing lines shall be insulated closed
disconnectors. The incoming and outgoing lines shall be knife fused
switchesThe incoming and outgoing lines of the strip switch (with
fuse protection) have no switches, and the outgoing and outgoing
lines are knife fuse switches. The incoming and outgoing lines are
not equipped with switches.7. A variety of branching methods, box
types and installation methods are provided, and users can choose
from flexible solutionsSelect to meet the needs of distribution
network and users.Installation, use and precautions of low-voltage
cable branch box:1. Whether the operation method for the
installation and connection of cable branch box and cable joint is
correct, whether the installation process of cable head is
familiar, and whether the sequence of the combination of components
inside the cable branch box and cable joint parts is in accordance
with the manufacturerThe service life and normal operation of the
cable branch box will be directly affected if the installation
specification is provided for operation.2. Before the operation of
the cable branch box, check whether the grounding wire of each
branch cable is firmly connected with the grounding terminal of the
box. At the same time, the box shell must be directly connected to
the grounding grid or have an obvious grounding point.3. After the
installation of the cable branch box is completed, the cable
components must be tested together according to the relevant test
standards and conditions.Environment conditionAmbient temperature:
maximum temperature: +40ºC, minimum temperature -30ºCWind speed:
quite 34m/s (not more than 700Pa)Humidity: The average daily
relative humidity is not more than 95%, and the monthly average
relative humidity is not more than 95%Anti-vibration: the
horizontal acceleration is not more than 0.4m/s2, the vertical
acceleration is not more than 0.15m/s2Installation site
inclination: no m
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