Product Overview:
The SIEMENS 3NE8731-1 SITOR Fuse Link is a high-performance, ultra-fast acting fuse specifically engineered for the robust protection of power semiconductors. As a critical component in modern industrial electrical systems, this fuse provides unparalleled short-circuit and overcurrent protection for sensitive and costly electronic devices such as diodes, thyristors, and IGBTs. Designed to operate with extreme speed, the 3NE8731-1 minimizes the I²t values during fault conditions, significantly reducing potential damage to power electronics and ensuring maximum system uptime. Its high breaking capacity (HBC) makes it an indispensable safety device in demanding AC and DC applications, offering reliable and precise protection against catastrophic failures. Trust in SIEMENS' renowned quality and engineering excellence for safeguarding your valuable power conversion and control equipment.
Technical Specifications:
- Part Number: 3NE8731-1
- Alternative Part Number: 3NE87311
- Rated Voltage: 690V AC / 600V DC
- Rated Current: 315A
- Operating Class: aR (for semiconductor protection)
- Breaking Capacity: 200kA (AC), 50kA (DC)
- Fuse Size: NH3 (Size 3)
- Mounting Type: Knife Contact
- Standards: IEC 60269-4
- Weight: 1.2 kg
- Dimensions (Approximate): 150mm x 60mm x 60mm (L x W x H)
- Material: Ceramic body, silver-plated contacts
SIEMENS 3NE8731-1
1-Year Warranty on Purchased Parts
All products sold by Roc Industrial LLC are covered by a limited warranty for a period of one year from the date of purchase, unless otherwise stated. This warranty covers defects in material and workmanship and does not cover damage caused by misuse, abuse, neglect, or unauthorized repair. Click Here to learn more.
Return and Refund Policy
Returns are accepted within 30 days of purchase for a full refund or exchange. Customer is responsible for return shipping costs.Quick & Convenient Shipping Solutions
Ensuring rapid shipping, all domestic orders are processed within 1 business day with free standard delivery and optional overnight shipping available; international orders are efficiently handled with competitive shipping costs, though customs and taxes are the customer's responsibility. For specific shipping needs or assistance, feel free to contact us.
Repair Your Equipment
Get your equipment back up and running fast with our reliable repair services. 2-Year warranty included. Click Here to start.
Out of Stock? Don't Worry!
Our inventory is always evolving and updating. If the quantity of the item you're interested in is showing as zero, please don't hesitate to contact us. We may have new stock on the way or alternative solutions to meet your needs. Reach out to us for the most current availability and we'll do our best to accommodate your requirements.
