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Shah Enterprise
Shah Enterprise


Medium Voltage HV Fuses

Exporter of a wide range of products which include high voltage fuses (siba-hha-american-std), medium voltage fuses (siba-hhb-british-std), high voltage fuses and medium voltage fuses.

High Voltage Fuses (SIBA-HHA-American-Std)

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High Voltage Fuses (SIBA-HHA-American-Std)
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SIBA HHA American Std. High Voltage Fuses

Description:

The new range of SIBA HV fuse-links HHC provides maximum protection in capacitor applications. The fuses are designed to be mounted directly to the capacitor bushings in individual fusing applications, indoor and outdoor. The fuses are available in a variety of different thread sizes such as 1/2 inch, M12, M16.

An additional L-shape range for bus-mounting also provides a 50 N striker for both visualizing the fuse operation and triggering the SIBA Micro-Switch-Fitting 3100210. This Micro-Switch-Fitting produces an electrical signal for each operated fuse.

Application:
Rated voltage:

  • In contrast to a standard HV fuse-link, all HHC types already respect the higher voltage level necessary for a proper capacitor protection. Therefore, the rated voltage of a HHC fuse-link can be the same as the application voltage, also the case of floating-wye connections
  • For example an 8.3 kV fuse can be placed in a 7.96 kV floating-wye system

Rated current:

To respect the influences and tolerances mentioned in IEEE 18-1992, like:

  • Tolerance of capacitor rating S = 1,15xSr
  • Tolerance of the application voltage U = 1.1xUr
  • Harmonic influences
  • Inrush currents

The rated current of the selected SIBA HHC fuse-link shall be min. 2 times the operation current of the application.


Additional Information:

  • Item Code: SIBA-HHA-American-Std
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Medium Voltage Fuses (SIBA-HHB-British-Std)

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Medium Voltage Fuses (SIBA-HHB-British-Std)
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Medium Voltage British Standard Fuses For Oil Insulated Switch gears

Medium voltage fuse-links according to British Standard are back-up fuse-links for the protection of substations up to 24 kV.

The fuse-links of this section comply with the following national and international standards:

  • IEC 60282-1
  • BS 2692-1
  • ESI 12-8

Design and construction of these fuse-links follow the well-proven concept of all SIBA high voltage fuse-links. For pressure resistant encapsulation, high grade ceramic is used. Contact material consists of silver plated high conductivity copper. The pure silver melting elements have appropriate notches to ensure small time-current curve tolerances and low let-through currents. The arc quenching quartz sand is subject to particular survey criteria regarding its composition, grain size and humidity content.


Additional Information:

  • Item Code: SIBA-HHB-British-Std
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High Voltage Fuses

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High Voltage Fuses
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We make SIBA High Voltage Fuses Technical & Application Info with the Supreme Fuses. These offered products are known for the unmatched protection they provide against over current, overload or short circuit. Provided to the clients at very competitive prices, these products are highly praised.

Specifications:

  • High-Voltage fuse-links of size: 55 x 520 mm
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Medium Voltage Fuses

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Medium Voltage Fuses
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SIBA HHF Medium Voltage French Std. Fuses

For Air & Gas Insulated Switchgears Indoor Application

High-Voltage fuse-links of size 55 x 520 mm are suitable for the protection of power transformers used in energy distribution. Usually they are for indoor application, but outdoor use is possible. In case of a short circuit the fuse-link will interrupt fault currents between five times the fuse rated current and the rated breaking current.

Standards: IEC 60282-1; NFC 64210
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Mumbai - 400002, Maharashtra, India
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