steve
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Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
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3NA7812
Siemens 3NA7812 available at EU Automation. Get in touch today for a quick price.
Based on over 4900 reviews
Full 12-month warranty
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2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
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All orders are subject to product availability. See our T&Cs.
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Siemens 3NA7812 is a high-performance LV HRC fuse link designed for reliable protection in electrical systems. This fuse link is part of the SENTRON family and is engineered to meet the demanding requirements of modern electrical installations. It features a compact NH000 size, making it suitable for space-constrained applications. With a rated current of 32A and the ability to handle AC voltages up to 500V and DC voltages up to 250V, it provides robust protection against overcurrents. The 3NA7812 is equipped with non-insulated grip lugs and a combination indicator for easy installation and status monitoring. Its IP20 protection class ensures safety when connected, and it operates efficiently within a wide temperature range, making it ideal for various industrial environments. This fuse link is a dependable choice for safeguarding electrical circuits, ensuring operational continuity and safety.
| Specification | Description |
|---|---|
| Part Number | 3NA7812 |
| Manufacturer | Siemens |
| Product Brand Name | SENTRON |
| Product Designation | LV HRC Fuse Link |
| Design of the Product | With blade contacts |
| Design of Identification Indicator | Combination alarms |
| Design of the Switching Contact | Non-corroding, silver-plated |
| Size of Fuse System | NH000 |
| Operating Class of the Fuse Link | gG |
| Mounting Type | Non-insulated grip lugs |
| Type of Voltage | AC/DC |
| Supply Voltage (AC) | 500 V |
| Supply Voltage (DC) | 250 V |
| Protection Class | IP20, with connected conductors |
| Switching Capacity Current (AC) | 120 kA |
| Switching Capacity Current (DC) | 25 kA |
| Power Loss | 2.6 W |
| Width of the Enclosure | 21 mm |
| Mounting Position | Any, preferably vertical |
| Net Weight | 129 g |
| Ambient Temperature During Operation | Minimum -5 °C, Maximum 40 °C |
| Environmental Category | -20 to +50 at 95% relative humidity |
| Certificates | General Product Approval, Declaration of Conformity |
The Siemens 3NA7812 is a robust and reliable LV HRC fuse link designed for efficient electrical protection. With its NH000 size and gG operating class, it is suitable for a wide range of applications. The fuse link features a combination alarm indicator and non-corroding, silver-plated switching contacts, ensuring durability and long-term performance. It operates effectively with both AC and DC voltages, offering a high switching capacity of 120 kA for AC and 25 kA for DC. The 3NA7812 is designed with non-insulated grip lugs for easy installation and is protected to IP20 standards when connected. Its compact design, with a 21 mm enclosure width, allows for versatile mounting in various orientations, making it an ideal choice for modern electrical systems.
What type of fuse is this part?
This part is a low voltage high rupturing capacity (LV HRC) fuse link.
What is the rated current for this fuse?
The rated current for this fuse is 32 A.
What are the voltage ratings for this fuse?
The fuse is rated for 500 V AC and 250 V DC.
What is the operating class of this fuse link?
The operating class of this fuse link is gG.
What is the size of the fuse system according to standards?
The size of the fuse system is NH000 according to DIN EN 60269-1.
What is the switching capacity of this fuse?
The switching capacity is 120 kA according to IEC 60947-2 for AC and 25 kA for DC.
What type of indicator does this fuse have?
This fuse is equipped with a combination indicator.
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 withstand up to 95% relative humidity.
What is the power loss of this fuse at rated current?
The power loss is 2.6 W at the rated current for AC in a hot operating state per pole.
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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All parts new or reconditioned are covered by EU Automation 12 month warranty
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Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
2 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
2 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
2 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
3 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
4 months ago
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