Pre-Engineered Solution Datasheet
LPS SERIES SHUNT TRIP DISCONNECT SWITCH
Specifications (Disconnect Switch)
Supply Voltage Rating*
208 V, 240 V, 480 V
Ampere Range
Enclosures
30 A, 60 A, 100 A, 200 A, 400 A
NEMA 1 (standard)
NEMA 3R, NEMA 4, NEMA 12 (optional)
UL Listed (File: E219511)
Approvals
*Contact factory for 600 V options.
Specifications (ShuntTrip)
Voltage Rating
120 V, 60 Hz
Max Inrush
4 A
Max On time
Momentary Inrush
SCCR
1.5 cycles
140 VA
Refer to Operations and Maintenance
Manual*
*Contact factory for 400 A panel SCCR
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
• Color coded control power terminal blocks
• UL Listed package
Description
The Littelfuse® LPS Series provides a simple and
economical solution for applications that require selective
coordination and shunt trip capabilities.
• 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)
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.
• 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”
Applications
• Elevator circuits
• Data processing rooms
• Building emergency systems
• Isolated neutral lug
• Mechanical interlock auxiliary contact for hydraulic
elevators with automatic recall (5 amp 120 V ac rated)
Web Resources
Download technical information: Littelfuse.com/LPS
• Fire alarm voltage monitoring relay
• Enclosure
• Surge Protection Device
• Option to bypass alarm when performing maintenance
(-AZ option)
• XPress-Ship™ service offers 48 hours direct shipment
service on select fully loaded LPS Series ShuntTrip
Disconnect Switches
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© 2022 Littelfuse, Inc.
Rev: 021622