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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3NA3360 |
| Manufacturer | Siemens |
| Product Type | LV HRC Fuse Element |
| Rated Current (In) | 400 A |
| Operating Class | gG (general purpose) |
| Supply Voltage (Un AC) | 500 V AC |
| Supply Voltage (Un DC) | 440 V DC |
| Size | NH3 |
| Switching Capacity Current (AC) | 120 kA (according to IEC 60947-2) |
| Switching Capacity Current (DC) | 25 kA (according to IEC 60947-2) |
| Design | LV HRC fuse link with front indicator and non-insulated grip lugs |
| Mounting Type | Non-insulated grip lugs |
| Mounting Position | Any, preferably vertical |
| Protection Class IP | IP20, with connected conductors |
| Climatic Class | -20 to +50 at 95% relative humidity |
| Ambient Temperature Range | -5 °C to +40 °C |
| Product Approvals | General Product Approval, Declaration of Conformity, Test Certificates, Environmental Confirmations |
The Siemens 3NA3360 is a high-quality low voltage high rupturing capacity (LV HRC) fuse element designed to provide reliable overcurrent protection in industrial settings. This NH3 size fuse is rated for a 400 A current and is suitable for both alternating current (AC) systems up to 500 V and direct current (DC) systems up to 440 V. It features a gG operating class, indicating it is suitable for both cable and line protection due to its general-purpose characteristics.
Crafted with non-insulated grip lugs and a front indicator, the 3NA3360 allows for easy installation and immediate status recognition. The robust design includes non-corroding, silver-plated switching contacts that ensure longevity and consistent performance. The fuse link itself is a low voltage high rupturing capacity type, which means it is capable of breaking high currents without damage, ensuring the safety and integrity of the electrical system it is protecting.
With a protection class of IP20 when connected to conductors, the 3NA3360 is designed to be used in a variety of ambient temperatures, ranging from -5°C to +40°C, and can withstand up to 95% relative humidity at 20°C during storage. This makes it a versatile choice for a wide range of industrial applications where reliable circuit protection is essential.
Commonly Asked Questions
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Frequently Asked Questions
What is the rated current for this LV HRC fuse element?
The rated current for this low-voltage high rupturing capacity (LV HRC) fuse element is 400 A.
Can this fuse element be used with both AC and DC voltages?
Yes, this fuse element is suitable for both AC and DC applications. It has a rated voltage of 500 V for AC and 440 V for DC.
What is the operating class of this fuse link?
The operating class of this fuse link is gG, which is suitable for general applications, providing both overload and short-circuit protection.
Does this fuse element come with any indication feature?
Yes, it features a front indicator that provides a visual indication when the fuse has operated.
What is the size of this fuse system according to DIN EN 60269-1?
According to DIN EN 60269-1, the size of this fuse system is NH3.
What type of contacts does this fuse link have?
This fuse link is designed with non-corroding, silver-plated blade contacts.
What is the protection class IP rating of this fuse element?
The protection class IP rating of this fuse element is IP20, with connected conductors.
What are the mounting requirements for this fuse link?
The fuse link is designed for mounting with non-insulated grip lugs and can be positioned in any orientation, though vertical is preferable.
What is the ambient temperature range for operating this fuse element?
The ambient temperature range for operating this fuse element is from -5 °C to +40 °C.
What is the switching capacity of this fuse link?
The switching capacity of this fuse link is 120 kA according to IEC 60947-2 for AC, and 25 kA for DC 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.
