Littelfuse, Inc.
Littelfuse - Model LPS Series - Pre-Engineered Shunt Trip POWR-Switch
FromLittelfuse, Inc.
The Littelfuse® POWR-Switch 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 POWR-Switch 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