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Series: LPS

Pre-Engineered Shunt Trip POWR-Switch
Product Status| Activei
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The Littelfuse® LPS Series provides a simple and economical solution for applications that require selective coordination and shunt trip capabilities. Utilizes Class J time-delay fuses that are easily coordinated with other system overcurrent devices. The shunt trip capability allows the LPS Series to meet the ANSI/ASME standard that requires power to be automatically disconnected before water is turned on by the fire safety system.

View fully loaded XPress-Ship LPS products.

Options
  • Control power transformer with fuses and blocks
  • Fire safety interface relay
  • Key to test switch
  • Pilot light ”On”
  • Isolated neutral lug
  • Mechanical interlock auxiliary contact for hydraulic elevators with automatic recall (5 amp 120 Vac rated)
  • Fire alarm voltage monitoring relay
  • Option to bypass alarm when performing maintenance (-AZ option)
  • XPress-Ship™ service offers 72 Hours direct shipment service on select fully loaded LPS POWR-Switches
  • Pre-engineered single unit, which makes procurement easier than systems with multiple components
  • Reduces labor costs up to 66% and total installation costs by over 30%
  • Pre-installed UL listed Class J fuse holder – unique
  • Class J size eliminates the need for any rejection type fuse clips
  • Optional features offer flexibility for a variety of applications
  • Control power terminal block
  • UL Listed package
  • Cu and AI wire rated
  • Pre-wired control circuits lower installation time
  • Lockable operating handle meets all code and safety requirements (Accepts up to 3 locks)

LPS Custom Solution Request

Need your LPS parts customized? Please let us know about yourself and your project needs, and a Littelfuse expert will be in touch about customizing our product(s) for you.

Contact Information

Project Details

Please select from the drop-down menus below to indicate your desired options. Fields with * are required. Contact factory if a 600 V control power transformer option is needed and for any other questions, 800-TEC-FUSE, Select Option 1 (Industrial), Option 1 (Tech Support)

(If this option is selected, the product will automatically include 2 NO & 2 NC auxiliary contacts and 3-Pole voltage monitoring relay)
If yes, the product will automatically include 2 NO & 2 NC auxiliary contacts and a 3-pole voltage monitoring relay.
If you have a current solution, who manufactures your current product?
If you have a current solution, what part number are you using? 

LPS Parts

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LPS Applications

Highlights Section

  • Elevator circuits
  • Data processing rooms
  • Building emergency systems

Series: LPS Resources

LPS Series Shunt Trip Disconnect Switch Video

LPS Shunt Trip Disconnect Switch video