Datasheet > LSRU-115-OR-2

LSRU-115-OR-2

更新时间： 2023-12-06 20:12:50

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
2页	205K
描述
Motor Control Logic Several combinations of functions are available in the LSRU, including overcur

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LSRU-115-OR-2 数据手册

Protection Relays

Current Monitoring Relays and Transducers

LSRU SERIES

Load sensor

Description

The LSRU Series is a microcontroller-based family of load

sensors. The LSRU family of products employ three basic

types of control logic: motor control logic, alarm logic and feed

control logic.

Motor Control Logic

Several combinations of functions are available in the LSRU,

including overcurrent and undercurrent or either overcurrent

or undercurrent with variable trip, restart or extended restart

delay settings. These various versions of the LSRU trip on the

respective fault and then automatically reset after the restart

delay expires, in preparation for the next motor start. LSRUs

do not trip on undercurrent when the load turns off, this is

recognized as a normal condition.

Alarm Logic

The LSRU-AL simply indicates whether the current is between

the setpoints or outside of the setpoints. This product is best

used with a PLC or other controller where status indication

is desired.

Wiring Diagram

Feed Control

The LSRU-FC is a load monitor intended to control feeder

mechanisms in a variety of applications. It stops the feeder

when the grinder, chipper, saw, auger, etc. nears overload. When

the load is reduced to a preset level, the feeder is restarted.

Features & Beneﬁts

FEATURES

BENEFITS

LED indicator

Visual indication of relay status

Eliminates the need for a stand alone current

transformer and also provides isolation between the

monitored and control circuits

Built in current sensor

Adjustable current

sensing range

Provides ability to precisely set the current trip point

for any application

Ordering Information

See next page.

www.littelfuse.com/lsru

Rev: 1-A-062716

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