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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3NE8725-1 |
| Alternative Part Number | 3NE87251 |
| Manufacturer | Siemens |
| Product Type | Fuse Link |
| Rated Current | 200 A |
| Rated Voltage AC | 690 V |
| Rated Voltage DC | 440 V |
| Size | NH000 |
| Operating Class | gR Class |
| Switching Capacity Current | 200 kA (AC), 50 kA (DC) |
| Power Loss | 36 W |
| Design | With bolt-on links, silver-plated |
| Identification Indicator | Front indicator |
| Ambient Temperature Range | -20 °C to +50 °C |
| Relative Humidity | Up to 95 %RH |
| Mounting Position | Any, preferably vertical |
| Dimensions | 21 x 40 x 100 mm |
| Environmental Category | Suitable for environments from -20 to +50 °C at 95% relative humidity without condensation |
The Siemens 3NE8725-1 is a high-quality fuse link designed for semiconductor protection. With a robust 200 A current rating and the ability to handle supply voltages of up to 690 V AC and 440 V DC, this component is an essential part of any industrial electrical system. The fuse link is of the gR class, ensuring rapid response to fault conditions, thereby providing optimal protection for sensitive semiconductor devices.
Crafted with silver-plated contacts and a size of 21 x 40 x 100 mm, the 3NE8725-1 is engineered for reliability and longevity. Its design conforms to the NH000 size standard according to DIN EN 60269-1, making it compatible with a wide range of installations. The fuse link also boasts a switching capacity current of 200 kA according to IEC 60947-2 standards, which is indicative of its exceptional interrupting capability.
The unit is designed to operate within an ambient temperature range of -20°C to +50°C, accommodating varying environmental conditions without compromising performance. Additionally, the 95% relative humidity tolerance ensures the fuse link remains dependable even in moist environments.
The 3NE8725-1 is versatile in its installation, allowing for any mounting position, with a vertical orientation preferred for optimal performance. This flexibility, combined with its compact dimensions, makes it suitable for a variety of industrial applications where space and efficiency are of the essence.
Siemens' commitment to quality is evident in the 3NE8725-1 fuse link, making it a reliable choice for protecting your valuable semiconductor equipment.
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Frequently Asked Questions
What is the rated current for this fuse link?
The rated current for this Siemens fuse link is 200 A.
Can this fuse link be used in both AC and DC applications?
Yes, this fuse link is suitable for both AC and DC applications, with a rated voltage of 690 V for AC and 440 V for DC.
What is the switching capacity of this fuse link?
The switching capacity of this fuse link is 200 kA for AC according to IEC 60947-2 and 50 kA for DC.
What is the operating class of the fuse link?
The operating class of the fuse link is gR, which is designed for semiconductor protection.
What are the dimensions of the fuse link?
The dimensions of the fuse link are 21 x 40 x 100 mm.
What is the design of the switching contact?
The switching contact is designed with bolt-on links that are silver-plated.
What is the power loss of this fuse link?
The power loss for this fuse link is 36 W per pole when operating at the rated current in a hot operating state.
What are the environmental operating conditions for this fuse link?
The fuse link can operate in ambient temperatures ranging from -20 °C to +50 °C and can withstand up to 95% relative humidity.
What mounting positions are suitable for this fuse link?
The fuse link can be mounted in any position, but a vertical orientation is preferable.
What is the size of the fuse system according to DIN EN 60269-1?
According to DIN EN 60269-1, the size of the fuse system for this product is NH000.
