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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3NA3020 |
| Manufacturer | Siemens |
| Product Brand Name | SENTRON |
| Product Designation | LV HRC fuse link |
| Design of the Product | With blade contacts |
| Identification Indicator | Front indicators |
| Switching Contact Design | Non-corroding, silver-plated |
| Fuse Link Design | LV HRC fuse link |
| Size of Fuse System | NH0 |
| Operating Class | gG |
| Mounting Type | Non-insulated grip lugs |
| Type of Voltage | AC |
| Supply Voltage (AC) | 500 V |
| Supply Voltage (DC) | 440 V |
| Protection Class | IP20, with connected conductors |
| Breaking Capacity (AC) | 120 kA |
| Breaking Capacity (DC) | 25 kA |
| Power Loss | 4.5 W |
| Width of the Enclosure | 30 mm |
| Mounting Position | Any, preferably vertical |
| Net Weight | 266 g |
| Ambient Temperature (Min) | -5 °C |
| Ambient Temperature (Max) | 40 °C |
| Environmental Category | -20 to +50 at 95% relative humidity |
| Environmental Category (Storage) | 90% at 20°C |
| Certificates | General Product Approval, Declaration of Conformity, Test Certificates, Special Test Certificate, Type Test Certificates/Test Report, Environmental Confirmations |
| Additional Information | The Siemens 3NA3020 is a high-quality LV HRC fuse link designed for reliable protection in electrical systems. It features a robust construction with non-corroding, silver-plated switching contacts and front indicators for easy identification. Suitable for both AC and DC applications, this fuse link ensures high breaking capacity and efficient performance. Ideal for various industrial applications, it offers dependable operation in a wide range of environmental conditions. |
The Siemens 3NA3020 is a high-quality LV HRC fuse element designed for reliable protection in low voltage applications. This fuse link, part of the SENTRON family, is engineered to safeguard electrical circuits by interrupting excessive currents, thereby preventing potential damage to equipment and ensuring operational safety.
Rated for a current of 50A, the 3NA3020 fuse element is suitable for both AC (up to 500V) and DC (up to 440V) applications. It features a gG operating class, making it ideal for general protection purposes. The fuse is designed with non-insulated grip lugs and a front indicator for easy identification and installation.
Constructed to meet the NH0 size standard according to DIN EN 60269-1, this fuse element boasts a robust design with non-corroding, silver-plated switching contacts. It offers a high switching capacity of 120kA for AC and 25kA for DC, ensuring reliable performance under fault conditions.
The Siemens 3NA3020 is built to operate within a wide ambient temperature range of -5°C to 40°C and can withstand environmental conditions of -20°C to +50°C at 95% relative humidity. It is rated IP20 for protection against solid objects and is designed for vertical mounting, although it can be installed in any position.
With a power loss of 4.5W, this fuse element ensures efficient operation while maintaining safety standards. The Siemens 3NA3020 is a dependable choice for protecting electrical systems in various industrial and commercial settings.
Commonly Asked Questions
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Frequently Asked Questions
What type of fuse is this?
This is a low voltage high rupturing capacity (LV HRC) fuse element.
What is the rated current for this fuse?
The rated current for this fuse is 50 A.
What are the voltage ratings for this fuse?
The voltage ratings for this fuse are 500 V AC and 440 V DC.
What is the breaking capacity of this fuse?
The breaking capacity is 120 kA for AC and 25 kA for DC.
What type of indicator does this fuse have?
This fuse features a front indicator.
What is the size of this fuse according to EN 60269-1?
The size of this fuse is NH0 according to EN 60269-1.
What is the protection class of this fuse?
The protection class is IP20 when connected with conductors.
What are the environmental conditions for operating this fuse?
The ambient temperature during operation ranges from -5 °C to 40 °C, and it can operate in an environmental category of -20 to +50 at 95% relative humidity.
What is the power loss of this fuse?
The power loss for this fuse is 4.5 W.
What is the weight of this fuse?
The net weight of this fuse is 266 g.
