Littelfuse: LPS Series – Pre-Engineered Shunt Trip POWR-Switch
December 23, 2020
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.
Applications
- – Elevator circuits
- – Data processing rooms
- – Building emergency systems
Features/Benefits
- – 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
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 48 Hours direct shipment service on select fully loaded LPS POWR-Switches
https://www.littelfuse.com/products/fusible-switches-and-panels/lps-shunt-trip-elevator-disconnect-switch/lps.aspx
