Littelfuse LPS Series POWr-SWitch - Manual

Pre-Engineered Solution Datasheet
Littelfuse.com © 2013 Littelfuse POWR-GARD ® Products
Rev: 4-B-050113
1 of 2
LPS SerieS POWr-SWitch
Shunt Trip Disconnect Switch
Description
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.
Applications
• Elevator circuits
• Data processing rooms
• Building emergency systems
Specifications
Voltage Rating* 208 V, 240 V, 480 V
Interrupting Rating 200 kA
Shunt Trip 120 V
Enclosures NEMA 1 (standard)
NEMA 3R, NEMA 4, NEMA 12 (optional)
Approvals UL Listed
CSA Certified
*Contact factory for 600 V and other options.
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%
• Optional features offer flexibility for a variety
of applications
• Control power terminal block
• UL Listed package
• Lockable operating handle
• Cu and AI wire rated
• Pre-wired control circuits lower installation time
• Lockable operating handle meets all code and
safety requirements
• 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)
Web Resources
Downloadable CAD drawings, Maintenance and Operation
Manuals, and other technical information:
Littelfuse.com/lps
More specialized configurations are also available.
Contact factory for more information.