514 Series - 6x32mm 500Vac Ceramic Body Fuse

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Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The 514 Series Fuse is a 6x32mm 500Vac ceramic body fuse with current ratings from 1.6A to 12.5A. It is ideally suited for AC power over-current protection in HVAC, Smart meters, Uninterruptible Power Supplies (UPS), and Three-Phase Power Supplies, and so on. This series fuse is RoHS compliant and 100% Pb free.


  • Ceramic body with a compact footprint of 6.3x32mm
  • High AC voltage rating of 500V with interrupting rating of 5,000A @ 500Vac
  • 1.6 – 12.5A current rating Complementary to the existing high voltage Cartridge fuses
  • Operating temperature range from -55°C to 125°C


  • Commercial HVAC
  • Smart Meters
  • Industrial Inverter
  • Industrial Automation
  • Power Inverters
  • Three-phase UPS

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)VAC (V)Nominal Melting I2T (A2sec)Interrupting RatingBodyMin Operating Temp (°C)Max Operating Temp (°C)OpeningSizeStockSamplesCompare
0514002.25004.125000A 500V ACCeramic Body-55125Fast-Acting (F)3AB/3AG (6.3x32mm)CheckOrder
0514004.450012.435000A 500V ACCeramic Body-55125Fast-Acting (F)3AB/3AG (6.3x32mm)CheckOrder
0514005.55006.145000A 500V ACCeramic Body-55125Fast-Acting (F)3AB/3AG (6.3x32mm)CheckOrder
0514008.850028.85000A 500V ACCeramic Body-55125Fast-Acting (F)3AB/3AG (6.3x32mm)CheckOrder
051401.61.65001.925000A 500V ACCeramic Body-55125Fast-Acting (F)3AB/3AG (6.3x32mm)CheckOrder
0514010.1050050.65000A 500V ACCeramic Body-55125Fast-Acting (F)3AB/3AG (6.3x32mm)CheckOrder
051406.36.350013.55000A 500V ACCeramic Body-55125Fast-Acting (F)3AB/3AG (6.3x32mm)CheckOrder
051412.512.55001145000A 500V ACCeramic Body-55125Fast-Acting (F)3AB/3AG (6.3x32mm)CheckOrder
05143.153.155005.545000A 500V ACCeramic Body-55125Fast-Acting (F)3AB/3AG (6.3x32mm)CheckOrder

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