Schneider LT4760BA Bedienungsanleitung

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W9 1636671 01 A03

02 - 2011

1/4

www.schneider-electric.com

A

LT47

pp

0.5 - 6 A

Type

LT 4706

LT 4730

LT 4760

Relay setting range

3 - 30 A

5 - 60 A

Operating and Function

b LT47, solid state overload relay, compares motor

current with preset load current threshold (LOAD).

b Motor currents are monitored through two internal

current transformers.

b CT hole size is 12 mm in diameter. Please don't

allow excessive force on CTs.

b D-Time counts down and is only available for motor starting.

During steady state, if motor current is greater than current

setting(overloaded), LT47 switches its contacts after O-Time.

b For shear-pin (mechanical shock) protection, set O-Time knob

to its minimum in order to trip in 0.2-0.3 s.

DANGER

HAZARD OF ELECTRIC SHOCK,

EXPLOSION, OR ARC FLASH

Disconnect all power before servicing

equipment.

Failure to follow these instructions

will result in death or serious injury.

PLEASE NOTE:

b Electrical equipment should be installed, operated,

serviced, and maintained only by qualied personnel.

b No responsibility is assumed by Schneider Electric

for any consequences arising out of the use of this

material.

b This document is also available in French, Spanish,

Italian, German, and Chinese for download on our

website at www.schneider-electric.com.

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