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Siemens 3NA3805

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3NA3805

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Marvo Stock ID MV-1K9Y
HS Code 85361050
SKU 3NA3805
Condition New sealed
Warranty 12 months

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Specification & Description

Specification Description
Part Number 3NA3805
Manufacturer Siemens
Product Type LV HRC Fuse Element
Rated Current (AC) 16 A
Rated Voltage (AC) 500 V
Rated Voltage (DC) 250 V
Operating Class gG
Size NH000
Switching Capacity (AC) 120 kA (according to IEC 60947-2)
Switching Capacity (DC) 25 kA (according to IEC 60947-2)
Identification Indicator Front indicators
Assembly Type Non-insulated grip lugs
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 Description Utilises screw adapter or adapter sleeves for installation
Approvals and Certifications Conforms to relevant international standards; refer to product datasheet for specific details

The Siemens 3NA3805 is a high-quality low voltage high rupturing capacity (LV HRC) fuse element designed to provide reliable overcurrent protection in industrial settings. This component is part of the SENTRON protection device range and is characterised by its robust construction and dependable performance.

Crafted with precision, the 3NA3805 fuse element is rated for 16 A and is suitable for systems with supply voltages up to 500 V AC and 250 V DC. It features a gG operating class, which indicates it is designed for both overload and short-circuit protection, making it a versatile choice for a wide range of applications.

The fuse element is of the NH000 size, conforming to DIN EN 60269-1 standards, ensuring compatibility with standardised fuse holders and accessories. The design includes non-corroding, silver-plated blade contacts for a secure and long-lasting electrical connection.

One of the key features of the 3NA3805 is its front indicator, which provides a clear visual indication when the fuse has operated, allowing for quick identification and replacement. The fuse link is also designed with live grip lugs, facilitating safe and easy handling during maintenance.

With a switching capacity of 120 kA according to IEC 60947-2, this fuse element can handle significant fault currents, providing robust protection for electrical circuits. The power loss is minimised at 1.7 W per pole in a hot operating state, ensuring energy efficiency.

The 3NA3805 operates within an ambient temperature range of -5 °C to +40 °C and is rated for a climatic category of -20 to +50 at 95% relative humidity, making it suitable for challenging environmental conditions.

This LV HRC fuse element is an essential component for professionals seeking a reliable and efficient solution to protect electrical equipment from overcurrents in commercial and industrial installations.

Commonly Asked Questions

Is my order covered by a warranty?

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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What payment methods do you accept?

We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.

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Is Marvo a credible parts supplier?

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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Have steps been taken to ensure quality control?

Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.

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Frequently Asked Questions

What is the operating class of this LV HRC fuse element?

The operating class of this LV HRC fuse element is gG, which is suitable for general applications, providing both overload and short-circuit protection.

Can this fuse element be used in both AC and DC applications?

Yes, this fuse element is designed for use in both AC and DC applications, with a rated voltage of 500 V for AC and 250 V for DC.

What is the rated current for this fuse element?

The rated current for this fuse element is 16 A.

Does this fuse element come with an indicator for blown fuses?

Yes, it features a front indicator that provides a visual indication when the fuse has operated.

What is the size of this fuse according to DIN EN 60269-1?

According to DIN EN 60269-1, the size of this fuse system is NH000.

What is the switching capacity of this fuse element?

The switching capacity of this fuse element is 120 kA according to IEC 60947-2 for AC, and 25 kA for DC.

What is the power loss rating for this fuse element?

The power loss rating for this fuse element is 1.7 W per pole in a hot operating state.

What are the environmental operating conditions for this fuse element?

The environmental operating conditions for this fuse element are an ambient temperature range of -5 °C to +40 °C and a climatic category of -20 to +50 at 95% relative humidity.

What is the protection class of this fuse element?

The protection class of this fuse element is IP20 with connected conductors.

What is the significance of the 'gG' operating class for this fuse element?

The 'gG' operating class signifies that the fuse element is designed for general application, providing protection for both overload and short-circuit conditions, making it versatile for a wide range of applications.

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Part conditions explained

We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:

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.

New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.

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.

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