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Specification & Description
| 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 |
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.
Commonly Asked Questions
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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Frequently Asked Questions
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.
Part conditions explained
We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:
New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.
New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
