steve
Got hold of Sime for a Carrier card for…
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
3 weeks ago
5SB251
Siemens 5SB251 available at EU Automation. Get in touch today for a quick price.
Based on over 4900 reviews
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
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2. Dedicated Account Manager
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3. Your quote
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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 5SB251 is a high-quality DIAZED fuse link designed for effective cable and line protection. Operating at a voltage of 500 V, this fuse link is suitable for both AC and DC applications, making it versatile for various electrical systems. It features a gG operating class, ensuring reliable performance in safeguarding electrical circuits from overloads and short circuits. The fuse link is colour-coded in red for easy identification and is compatible with DII size systems according to EN 60269-1 standards. With a robust switching capacity of 8 kA at DC and 50 kA according to IEC 60947-2, it provides dependable protection in demanding environments. The Siemens 5SB251 is designed for easy installation in any mounting position, preferably vertical, and is equipped with a screw adapter or adapter sleeves for secure fitting. Its compact design and efficient power loss of 1.6 W make it an ideal choice for maintaining the integrity of electrical systems.
| Specification | Description |
|---|---|
| Part Number | 5SB251 |
| Manufacturer | Siemens |
| Product Brand Name | SENTRON |
| Product Designation | DIAZED Fuse |
| Design of the Product | For cable and line protection |
| Design of the Fuse Link | DIAZED fuse link |
| Tripping Characteristic Class | Other |
| Size of Fuse System | DII (according to EN 60269-1) |
| Operating Class of the Fuse | gG |
| Supply Voltage | 500 V AC/DC |
| Protection Class | IP20, with connected conductors |
| Switching Capacity Current | 50 kA (AC), 8 kA (DC) |
| Power Loss | 1.6 W |
| Color Coding of the Fuse Link | Red |
| Mounting Position | Any, preferably vertical |
| Net Weight | 27 g |
| Ambient Temperature | -5 °C to 40 °C |
| Environmental Category | Up to 45°C at 95% relative humidity |
| Product Description | The Siemens 5SB251 is a high-quality DIAZED fuse link designed for effective cable and line protection. It operates efficiently at 500 V AC/DC, ensuring reliable performance in various electrical systems. With a robust design and a tripping characteristic class of 'Other', this fuse link is suitable for diverse applications. Its red color coding and compact size make it easy to identify and install. The 5SB251 is built to withstand environmental conditions, maintaining functionality in temperatures ranging from -5 °C to 40 °C. Its IP20 protection class ensures safety when connected with conductors. Ideal for industrial and commercial use, this fuse link is a dependable choice for safeguarding electrical circuits. |
What is the primary function of this Siemens fuse link?
The primary function of the Siemens fuse link is to provide protection for cables and lines by interrupting the circuit in the event of an overcurrent, thereby preventing damage to the electrical system.
What is the rated current for this fuse link?
The Siemens 5SB251 fuse link has a rated current of 10 A for AC applications.
What is the maximum operating voltage for this fuse link?
The maximum operating voltage for the Siemens 5SB251 fuse link is 500 V for both AC and DC applications.
What is the size and type of this fuse link?
This fuse link is a DIAZED type, size DII, which is designed for cable and line protection.
What is the switching capacity of this fuse link?
The Siemens 5SB251 fuse link has a switching capacity of 50 kA for AC and 8 kA for DC, according to IEC 60947-2 standards.
What are the environmental conditions for operating this fuse link?
The Siemens 5SB251 fuse link can operate in ambient temperatures ranging from -5 °C to 40 °C, with a relative humidity of up to 95% at 45 °C.
What is the protection class of this fuse link?
The Siemens 5SB251 fuse link has a protection class of IP20 when connected with conductors, providing basic protection against solid objects.
What is the colour coding of this fuse link?
The Siemens 5SB251 fuse link is colour-coded red for easy identification.
Can this fuse link be mounted in any position?
Yes, the Siemens 5SB251 fuse link can be mounted in any position, although a vertical position is preferred.
What is the power loss of this fuse link at rated current?
The power loss of the Siemens 5SB251 fuse link at rated current is 1.6 W per pole in a hot operating state.
- Protection of electrical circuits in industrial and commercial applications.
- Safeguarding cable and line systems from overcurrent and short circuits.
- Use in electrical distribution boards for residential and commercial buildings.
- Application in motor control centers to protect motor circuits.
- Integration into power supply units to ensure safe operation.
- Utilization in renewable energy systems for circuit protection.
- Deployment in automation systems to prevent electrical faults.
- Installation in lighting circuits to protect against overloads.
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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