LVB Series - 240/120 VAC PolySwitch Line-Voltage-Rated Lead-Free Radial Leaded Resettable PPTC - Boxed Package

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Disclaimer Notice

Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, 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.

PolySwitch line-voltage rated (LVR and LVB) devices help protect electric motors and transformers used in commercial home appliances from damage caused by mechanical overloads, overheating, stall, lost neutral, and other potentially harmful conditions. The LVB device is enclosed in a plastic box instead of an epoxy coating, which makes it suitable for harsh chemical environments, or applications requiring potting.


  • ROHS Compliant
  • Line voltage rating of 240 VAC
  • Low Resistance
  • Plastic housing allows use in harsh chemical environments or applications requiring potting


  • Industrial controls
  • Transformers
  • Motors
  • Fans
  • Lighting Ballast
  • Security and Fire Alarm Systems

Access specifications, certifications, check availability and order parts below

Catalog #IHold (A)ITRIP
Trip Time
Interrupt Current (A)Interrupt Voltage (Vrms)Voltage
Pd Typical (watts)Max Operating Temp (°C)Packaging
LVB1251.252.50.1520.2920.482512.5265240485Loose PieceProduct SpecificationCheck
Catalog # Certificates
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LVB125 URcsa
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