Features:

• Description: Axial Flow Rotary Muffin Cooling Fan 80x80x25mm NMB Minebea 3110KL-04W-B79 F57 7 Cisco 800-23841-01 Rev. A0 DC12V 0.38A 4.56W 2.54mm Pitch 3-Pin 3-Conductor Connector 5.5-inch Wire SKU 155410
• Manufacturer: NMB
  • Minebea Mitsumi: The official parent company.
  • NMB: Short of Nippon Miniature Bearing.
  • NMB-MAT: a brand name resulting from 2004 joint venture between Minebea and Matsushita (now Panasonic).
  • NMB Technologies: The North American sales and marketing arm of the group.
• Brand: or Distributor: NMB / Minebea / Cisco
• Model:
  • NMB Minebea 3110KL-04W-B79 F57 7
  • Cisco 800-23841-01 Rev. A0
  • CSA LR65829
• Brief Spec.:
  • Design: DC Brushless Fan
  • Fan Size: 80x80x25mm
  • Power Rating: DC12V 0.38A 4.56W
  • Bearing: Dual Ball Bearing
  • Speed: 4000~4200 RPM
  • Air Flow: 45.9~49.6 CFM
  • Noise Level: 40~45.6 dB(A)
  • Material: Glass-fiber reinforced PBT Plastic UL94V-0 rated
    • Frame Housing: Glass-fiber reinforced PBT Plastic UL94V-0 rated.
    • Impeller Blades: Glass-fiber reinforced PBT Plastic UL94V-0 rated.
  • Connector: 2.54mm Pitch 3-Pin 3-Conductor Connector
  • Wire Length: 5.5-inch
• Weight: 3 oz (estimated shipping weight 7 oz)
• Condition: (Subject to Availability)
  • SKU ______N - New
  • SKU ______B - Bulk New, seller repackaged.
  • SKU ______E - Excess Inventory, not been used, may have signs of age.
  • SKU ______P - For parts or not working, pulled from working environment, current condition unknown. Not eligible for return or refund.
  • SKU ______O - Open Box, not been used, may have signs of cosmetic wear.
  • SKU ______R - Refurbished to working condition.
  • SKU ______U - Used, may have signs of cosmetic wear.
• Package: Non-Retail Packaging, in Unprinted Reused Box and Plastic Bag.
• For used with or pulled from: (for reference only)
  • NMB Minebea 3110KL-04W-B79 F57 7 is a high-performance 80mm x 80mm x 25mm industrial DC axial fan most famously used as the custom hot-swappable enterprise cooling fan assembly for Cisco 2800 / 3800 series routers.
  • NMB Minebea 3110KL-04W-B79 F57 7 Part Number Breakdown:
    • '31' Frame Size '31' the horizontal and vertical measurement of the square fan housing 80mm x 80mm. The legacy '33' format and modern '31' nomenclature both refer to this exact same 80mm footprint.
    • '10' Frame Thickness, the depth or thickness of the casing 25mm.
    • 'K' Casing / Blade Style, K Series aerodynamics (optimized for high static pressure over obstruction grids).
    • 'L' Bearing Design, L Type heavy-duty engineering structure.
    • '04' Input Voltage 12V DC nominal operation.
    • 'W' Termination Type, Wire Lead connectivity style.
    • 'B' Bearing System, Ball Bearing internal construction.
    • '7' Speed Tier, Ultra-High Speed class (correlates to the 4,000+ RPM tier).
    • '9' Sensor Configuration, Locked Rotor Sensor output line (triggers system alarm if the blades physically stop).
    • 'F57' OEM Customization, Cisco Systems specific wire length and custom 3-pin mini-connector header pinning.
    • '7' Motor Protection, Integrates built-in electronic Auto-Restart and Polarity Reverse Protection.
  • Serial Number Available or Sold:
    • Lot Number 7043301 SN 0089399 Used
    • Lot Number 7043301 SN 0090440 Used
    • Lot Number 7043301 SN 0091290 Used