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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.
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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.
