Product DescriptionIt can be used in indoor system of 50HZ and
rated voltage of 3.6KV, 7.2KV, 12KV, 24KV, 40.5KV used together
with other switch facilities such as loading switches, vacuum
contractors, it can protect electric transformers and other
electric facilities against overloading or circuit break. it is
also a necessary accessory for high-voltage switch.Model
DescriptionProduct technical parameters and installation
sizeProduct structure features High breaking capacity: The
rated breaking current of the product is 40KA~50KA. Low power loss:
ensures a low temperature rise of the product, which is more
advantageous when fuses are used in fully enclosed insulation
devices. Low arc voltage: During the breaking process, the arc
voltage is low, and when used in systems below the rated voltage,
the arc voltage will further decrease, which can be used for 12KV
or 7 There is no danger of damaging the insulation of the 2KV
system. Small characteristic curve error: The error of the time
current characteristic curve is less than ± 10%, ensuring the
reliability of the product. Standardization of specifications: The
rated parameters of the product comply with the International
Electrotechnical Commission (IEC) standards R10 and R20 series.
There are two types of wiring:(1) Busbar type, with overall
dimensions in accordance with British (BS) standards;(2) , plug-in,
with external dimensions in accordance with German (DIN)
standards;Moreover, they all comply with the International
Electrotechnical Commission (IEC) standards. The busbar type can be
directly fastened to the busbar with screws, which has the
advantages of small installation volume and reliable contact; The
plug-in type is easy to replace and can be operated with power.Can
be equipped with an impactor: Tungsten wires in parallel with the
melt can melt within a few thousandths of a second at the beginning
of the arc, igniting the powder device. The operated by a
small amount of gunpowder immediately acts and provides a signal
with sufficient energy, or causes other electrical appliances to
act, or provides interlocking. The output energy of the fuse
impactor that meets the British (BS) standard is (1-3) joules,
while the output energy of the fuse impactor that meets the German
(DIN) standard is (2-5) joules.Product detailsProducts real shotA
corner of the production workshopProduct packagingProduct
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