LPS Series - Pre-Engineered Shunt Trip POWR-Switch

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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.

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  • Elevator circuits
  • Data processing rooms
  • Building emergency systems


  • 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)
  • Every unit is fully tested before delivery


  • 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 48 Hours direct shipment service on select fully loaded LPS POWR-Switches

Access specifications, certifications, check availability and order parts below

Catalog #Panel Max VACPanel Max AmpsCompare
LPS1208 / 240 / 480100
LPS2208 / 240 / 480200
LPS3208 / 240 / 48030
LPS4208 / 240 / 480400
LPS6208 / 240 / 48060
To request product environmental information, please complete the Product Environmental Information Request Form.

pdf icon LPS Series - Operations and Maintenance Manual

pdf icon The Essential 18-Point Checklist for Code-Compliant Elevator Installations

Electrical contractors must manage the ups and downs of codes and standards — a task that is made more complicated by frequent changes and by standards that reference each other. Fortunately, many of these codes and standards contain quite similar provisions, and it’s possible to boil down the major ones into a fairly short list.

pdf icon LPS Panel Solutions Guide

pdf icon LPS Article - Ten Ways to Design Safety and Value into your Electrical Panel

LittelfusePiedrasNegrasTS16949 2009icon 2020-10-20_IATF 16949_Piedras Negras Mexico

Littelfuse_Mexico_PiedrasNegras_ISO14001icon 2021-02-14_ISO 14001 2015_Piedras Negras Mexico

pdf icon LPS Engineering Specifications

pdf icon Building and Home Automation Application Guide

Today's buildings and homes are equipped with intelligent technologies for safer, more convenient, and energy-efficient living.

pdf icon LPS Datasheet

Catalog # Certificates
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LPS1 UL_IZMR E345481icon
LPS2 UL_IZMR E345481icon
LPS3 UL_IZMR E345481icon
LPS4 UL_IZMR E345481icon
LPS6 UL_IZMR E345481icon