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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3NA3830-7 |
| Alternative Part Number | 3NA38307 |
| Manufacturer | Siemens |
| Product Type | HRC Fuse |
| Rated Current | 100 A |
| Operating Voltage | AC: 500 V, DC: 250 V |
| Size | NH00 |
| Operating Class | gG (general purpose) |
| Mounting Type | Non-insulated grip lugs |
| Design of Identification | Front indicator |
| Switching Capacity | AC: 120 kA, DC: 25 kA according to IEC 60947-2 |
| Protection Class | IP20 with connected conductors |
| Ambient Temperature Range | -5 to +40 °C |
| Climatic Class | -20 to +50 °C at 95% relative humidity |
| Mechanical Design | Any mounting position, preferably vertical |
| Net Weight | 201 g |
| Environmental Conditions | Operable in environments with up to 90% humidity at 20°C during storage |
| Approvals and Certifications | Conforms to DIN EN 60269-1, IEC 60947-2 |
The Siemens 3NA3830-7 is a high-performance HRC fuse, designed to offer reliable protection in electrical circuits. Rated at 100A, with operational voltages of AC 500V and DC 250V, this fuse is suitable for a wide range of industrial applications. It features a size 00 footprint according to DIN EN 60269-1 standards and falls under the gG operating class, making it ideal for general applications where both high and low fault currents are present.
The 3NA3830-7 is equipped with non-insulated grip lugs and a front indicator for easy status recognition, enhancing maintenance efficiency. Its robust design includes non-corroding, silver-plated contacts that ensure long-term reliability and consistent performance. The fuse link is designed to be mounted in any position, though vertical orientation is preferable for optimal results.
This product is particularly suited for use in environments with ambient temperatures ranging from -5°C to +40°C, and it can withstand up to 95% relative humidity, making it a versatile choice for challenging industrial settings. The compact dimensions and the straightforward design facilitate easy installation and replacement, streamlining the integration process into existing systems.
The Siemens 3NA3830-7 is an essential component for engineers and technicians looking to enhance the safety and efficiency of their electrical systems, providing a dependable solution for circuit protection.
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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Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
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Frequently Asked Questions
What is the rated current and voltage for this fuse?
The Siemens HRC Fuse is rated for 100 A with a supply voltage of 500 V for AC and 250 V for DC.
What size and class does this fuse belong to?
This fuse is of size NH00 and operates under the gG class, suitable for general applications.
Can this fuse be used in both AC and DC applications?
Yes, the fuse is designed for both AC and DC applications, with respective voltage ratings provided.
What are the environmental operating conditions for this fuse?
The fuse operates effectively within an ambient temperature range of -5°C to +40°C and can handle a relative humidity of up to 95% at 50°C.
What is the switching capacity of this fuse?
The switching capacity is rated at 120 kA for AC and 25 kA for DC, according to IEC 60947-2 standards.
What type of mounting does this fuse support?
It supports mounting with non-insulated grip lugs, allowing for secure installation.
What is the protection class of this fuse?
The fuse has a protection class of IP20 when connected to conductors.
What are the physical dimensions and weight of this fuse?
The fuse has a width of 30 mm and weighs approximately 201 grams.
What type of identification indicator does this fuse have?
It features a front indicator, which aids in the quick identification of the fuse status.
What are the special certifications or approvals for this fuse?
The fuse complies with DIN EN 61346-2 and IEC 81346-2:2009 standards, ensuring its reliability and safety in various applications.
Part conditions explained
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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.
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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.
