LPS SERIES SHUNT TRIP DISCONNECT SWITCH Operations & Maintenance Manual

2022-04-15
The Littelfuse LPS series disconnect switch may be ordered in 30 A, 60 A, 100 A, 200 A or 400 A configurations, for 208, 240, 480 or 600 V ac (60 Hz), 3 or 4 wire systems. The Littelfuse LPS series disconnect switch may be configured for use as Service Equipment with the addition of a 2-port ground lug and the appropriate label per NEC Article 230.66 (option S).
The Littelfuse LPS series disconnect switch is designed to interrupt the source of incoming ac power for a single cable or hydraulic elevator, upon a signal from the Fire Alarm Control Panel (FACP). This is primarily to minimize the risk of electric shock, and to prevent impact to the mechanical safety features of an elevator, caused by water released from the fire sprinkler system.
■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 packageCu 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

Littelfuse

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Part#

integrated power controllerSHUNT TRIP DISCONNECT SWITCH

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Elevator circuits ]Data processing rooms ]Building emergency system ]

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User's Guide

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