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Siemens
3NA3340
Marvo Stock ID: MV-79JJNew unboxed
£62.30 (ex. VAT)
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Siemens
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Specifications
| Specification | Description |
|---|---|
| Part Number | 3NA3340 |
| Alternative Part Number | 3NA3340 |
| Manufacturer | Siemens |
| Product Type | LV HRC Fuse Link |
| Size of Fuse System | NH3, acc. to DIN EN 60269-1 |
| Operating Class | gG |
| Type of Voltage | AC/DC |
| Rated Current (AC) | 200 A |
| Supply Voltage (AC) | 500 V |
| Supply Voltage (DC) | 440 V |
| Switching Capacity Current | 120 kA (AC according to IEC 60947-2), 25 kA (DC according to IEC 60947-2) |
| Power Loss | 14.9 W per pole in hot operating state |
| Operating Temperature Range | -5 °C to +40 °C |
| Storage Temperature Range | -20 °C to +50 °C at 95% relative humidity |
| Protection Class | IP20 with connected conductors |
| Design | With non-corroding, silver-plated blade contacts and front indicators |
| Mounting Position | Any, preferably vertical |
| Net Weight | 654 g |
| Environmental Conditions | Climatic class: -20 to +50 at 95% relative humidity |
| Reference Code | acc. to DIN EN 61346-2 and IEC 81346-2: F |
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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Full warranty
All parts are covered by a comprehensive warranty. If something goes wrong, I’ll put it right.
Priority delivery
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Committed to you
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3NA3340 Product Description
The Siemens 3NA3340 is a high-quality low voltage high rupturing capacity (LV HRC) fuse link designed to provide reliable overcurrent protection in industrial settings. This part is a size 3, NH3 class fuse link with a rated current of 200 A, suitable for both AC and DC applications. It is rated for use at 500 V AC and 440 V DC, ensuring versatility across different electrical systems.
Crafted with non-insulated grip lugs and a front indicator, the 3NA3340 allows for easy installation and immediate status recognition. The operating class of the fuse link is gG, indicating it is designed for general applications and capable of protecting both cables and equipment against short circuits and overloads.
The fuse link features a robust design with blade contacts that are non-corroding and silver-plated, enhancing conductivity and resistance to environmental factors. The product is also designed to be mounted in any position, with a vertical orientation preferred for optimal performance.
With a switching capacity current of 120 kA according to IEC 60947-2 standards, the Siemens 3NA3340 is capable of interrupting high fault currents, ensuring the safety and integrity of electrical circuits. The part's power loss is rated at 14.9 W per pole, which is a consideration for thermal management in electrical enclosures.
The 3NA3340 operates within an ambient temperature range of -5 °C to 40 °C, making it suitable for a wide range of environmental conditions. It also has an IP20 protection class rating with connected conductors, signifying protection against solid objects larger than 12.5 mm but not against liquids.
This LV HRC fuse link is an essential component for industrial electrical protection, offering reliability and safety in a compact, efficient package. Its design and construction are in line with Siemens' commitment to quality and performance in electrical protection technologies.
Frequently Asked Questions
What is the operating class of the fuse link?
The operating class of the fuse link is gG, which is suitable for general applications.
Can this fuse link be used in both AC and DC applications?
Yes, the fuse link is designed for use with both AC and DC circuits.
What are the rated voltage specifications for this fuse link?
The rated voltage for AC is 500 V and for DC is 440 V.
What is the rated current for this fuse link?
The rated current for the 3NA3340 fuse link is 200 A.
What is the switching capacity of this fuse link?
The switching capacity is 120 kA for AC according to IEC 60947-2 and 25 kA for DC.
What is the design of the identification indicator?
The fuse link features a front indicator for easy identification.
What is the ambient temperature range for operating this fuse link?
The ambient temperature range for operation is from -5 °C to 40 °C.
What is the size of the fallback-system according to DIN EN 60269-1?
The size of the fallback-system is NH3 according to DIN EN 60269-1.
What is the protection class of this fuse link?
The protection class is IP20, with connected conductors.
What is the net weight of the fuse link?
The net weight of the fuse link is 654 g.
