The Siemens 3NE87251 SITOR Semiconductor Fuse Link is a high-performance ultra-fast protection device specifically developed to safeguard sensitive semiconductor components against short-circuit currents and electrical faults. As part of the renowned SITOR 3NE8 Series, the 3NE87251 is designed for demanding power electronics applications where rapid fault clearing and low let-through energy are critical.
Rated at 200A, 690V AC, and 700V DC, this semiconductor fuse delivers reliable protection for converters, inverters, UPS systems, soft starters, variable frequency drives (VFDs), rectifiers, and industrial automation equipment. Its specialized aR characteristic ensures effective short-circuit protection for semiconductor devices without unnecessary interruption during normal operating conditions.
Available from SB Smart, the Siemens 3NE87251 provides the reliability, safety, and performance expected from Siemens SITOR protection technology.
Modern power electronic systems contain sensitive components such as:
These devices require protection that reacts significantly faster than conventional industrial fuses. The Siemens 3NE87251 is engineered to minimize thermal stress and fault energy during short-circuit conditions, helping prevent costly damage to semiconductor equipment and reducing system downtime.
Its ultra-fast operating performance makes it particularly suitable for critical industrial processes where equipment reliability and continuous operation are essential.
The 3NE87251 features an NH000 fuse size, making it suitable for compact installations while maintaining high protection capability. Siemens SITOR semiconductor fuses are widely recognized for their excellent current-limiting performance, high breaking capacity, and dependable operation under demanding electrical conditions.
Key benefits include:
These characteristics make the fuse ideal for protecting expensive power electronic systems from catastrophic fault events.
The Siemens 3NE87251 Semiconductor Fuse is suitable for:
At SB Smart, we supply genuine Siemens electrical products, industrial automation solutions, semiconductor protection devices, and power distribution equipment. The Siemens 3NE87251 SITOR Fuse Link delivers dependable semiconductor protection, rapid fault interruption, and long-term operational reliability for critical industrial applications.
Whether you are protecting an inverter, converter, VFD, UPS system, or industrial power electronics installation, the 3NE87251 offers the performance and quality expected from Siemens SITOR technology.
| Specification | Details |
|---|---|
| Product Name | SITOR Semiconductor Fuse Link |
| Manufacturer | Siemens |
| Product Series | 3NE8 |
| Model Number | 3NE87251 |
| Fuse Type | Semiconductor Protection Fuse |
| Rated Current | 200A |
| Rated Voltage AC | 690V AC |
| Rated Voltage DC | 700V DC |
| Operating Class | aR |
| Fuse Size | NH000 |
| Application | Semiconductor Protection |
| Protection Type | Short-Circuit Protection |
| Suitable For | IGBT, SCR, Thyristor & Diode Protection |
| Mounting Position | Any (Preferably Vertical) |
| Industrial Application | Yes |
| Brand | Siemens |
| Condition | New & Genuine Product |
No reviews yet.