3NA7830

Siemens 3NA7830 available at EU Automation. Get in touch today for a quick price.

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The Siemens 3NA7830 is a high-quality low voltage HRC (High Rupturing Capacity) fuse, designed to provide reliable overcurrent protection in a variety of industrial and commercial applications. This gG class fuse is rated for 100 A and is engineered to handle a maximum operating temperature of 40°C with a humidity tolerance of up to 90% RH, ensuring stable performance in diverse environmental conditions.

Crafted with precision, the 3NA7830 fuse features a compact design, measuring 52.5 x 21 x 77.8 mm, which allows for efficient use of space within electrical installations. Its vertical mounting orientation and non-insulated grip lugs facilitate easy installation and maintenance. The fuse link is equipped with a combination indicator for quick and clear identification of its operational status.

With a switching capacity of 120 kA at AC 500V and 25 kA at DC 250V, the Siemens 3NA7830 is capable of interrupting high fault currents, safeguarding electrical circuits and equipment against damage. The robust construction and adherence to stringent quality standards make this fuse a reliable choice for protecting electrical systems.
Specification Description
Part Number 3NA7830
Manufacturer Siemens
Type LV HRC Fuse
Class gG
Current Rating 100 A
Power Loss 6.95 W
Humidity 90%RH
Mounting Orientation Vertical
Dimensions 52.5 x 21 x 77.8 mm
Compliance Subject to change without notice; refer to datasheets

What class of LV HRC fuse is this?

This is a gG class LV HRC fuse, suitable for general application purposes, providing protection for both cables and equipment.

What is the current rating for this fuse?

The current rating for this fuse is 100 A, making it suitable for circuits where this is the maximum continuous current.

Can you specify the power loss for this fuse?

The power loss for this fuse is rated at 6.95 W, which is the amount of power dissipated as heat when the fuse is in operation.

What is the maximum relative humidity this fuse can operate in?

This fuse can operate in environments with a relative humidity of up to 90%, ensuring reliable performance in various conditions.

What are the dimensions of this fuse?

The dimensions of the fuse are 52.5 x 21 x 77.8 mm, which should be considered when planning for installation in electrical panels or equipment.

How should this fuse be mounted?

This fuse is designed for vertical mounting, which should be taken into account during installation to ensure proper functioning.

What applications is this fuse typically used for?

This fuse is typically used in industrial and commercial electrical systems where reliable overcurrent protection is required for equipment and cables.

How can I dispose of this fuse safely after use?

Disposal of this fuse should be carried out in accordance with local regulations and guidelines for electrical components to ensure environmental safety.

  • Protection of electrical circuits in industrial applications
  • Safeguarding motors from overcurrent conditions
  • Use in low voltage distribution systems
  • Integration into control panels for machinery
  • Overload and short-circuit protection for transformers
  • Utilised in switchgear for power distribution
  • Protection for cables and conductors against excessive current
  • Employed in commercial electrical installations with high current demands
  • Suitable for renewable energy systems such as solar panel arrays
  • Backup protection for circuit breakers in electrical networks

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

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