1-3.電子式過載保護器SDL及SCDL型說明和特性ELECTRONIC OVERLOAD DEVICE SDL & SCDL TYPE (INTRODUCTION & FEATURE)

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1-3.電子式過載保護器SDL及SCDL型說明和特性ELECTRONIC OVERLOAD DEVICE SDL & SCDL TYPE (INTRODUCTION & FEATURE)

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1.過負荷警告裝置Overload device                                                                            下載down load1.過負荷警告裝置Overload device    

                內容Contents
　　　　　架空吊車的安全機構 Safety Device for Overhead Crane
       1-1.電子式過載保護器SDL及SCDL型說明和特性
             ELECTRONIC OVERLOAD DEVICE SDL & SCDL TYPE (INTRODUCTION & FEATURE)
       1-2.說明和特性INTRODUCTION & FEATURE 
       1-3.機械式過載保護器及上極限開關LLL型OVERLOAD LIMITER AND TOP LIMITER SWITCH
       1-4.LLL型機械式過載保護器規格 Specification of Model LLL OVERLOAD LIMITER 
       1-5.LD型雙收吊車可用的過載保護器 LD TYPE OVERLOAD LIMITER For double reeving hoist 
       1-6.走行吊車過載裝置系統OVERLOAD SYSTEM for Mobile Crane
       1-7.SP型防止側拉裝置SIDE PULLING PREVENTION DEVICE SP TYPE
       1-8.型防止側拉裝置規格 Specification of side Pulling Prevention Device  

The Load limiter  is designed to fully  protect AC motor against  conditions which can cause damage.

verload mechanical equipment using AC motor such as HOIST ，CRANE ，If the motor of the associated  mechanical  equipment is overloaded ，phaseInαddition to motor  protection ，the load limiter  has feature thatcan  protect over current is monitored through current transformer(CT) of the 10αd limiter  ，
the really in the load limiter  energize 0 contactor  or breaker to cutoff  power supply  to motor under  fault condition ，The load limiter  has 0 of the functions ， high reliability ，versatileαpplication ，each handling & operation .Since the load limiter having microcomputer built-in has the functions

of delaying reset time & memorizing ascending time ，It  is automatically reset if hoist or crane is descended during  the reset time .

  1. 2. Fine setting time & current is available since the device is digital
  2. 3. In case of being used for creep hoist having creep  speed  & high speed，

the device  displays each trip  signal & each current  setting.

  1. Running current to motor is displayed itself. Thus ，setting current is easily

done  without extra current meter.

  1. 5. When overload，LED flαshing &αlarm sound as trip  indication provide clear  
  2. Wring & installing are very simple by use of external current transformer.
  3. 7. Main control OCB & power PCB are easily separated for maintenance by use of each
  4. For easy maintenαnce，connection cable is easily separated from main

body.

  1. 9. Check of inching number & total running time is available. In case of setting the password function，the device can be operated by

authorized person pnly.

  1. The value 則 iseasily checked by  pressing “up" 也)  or “down"  C"

keys without removing  the seαI or opening its cover .

  1. The device can be used as the over current relay for protecting AC motor.

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