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LS Susol Series Instruction Manual

Low voltage power circuit breakers
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Summary of Contents for LS Susol Series

  • Page 2: Table Of Contents

    CONTENTS A. Safety Precaution …………………………………………………………………………………………….… 1. Safety precaution 2. Caution 3. Danger 4. Warning ………………………………………………………………………………………...……… B. Service condition. 1. Normal/Special service condition 2. Altitude and enclosure C. Structure and Operation ………………………………………………...………………………………… 1. Internal structure and components 2. Basic function and breaking operation …………………………………………………………………………………………………...

  • Page 3: Safety Precaution

    A. Safety Precaution 4. 온도 센서 1. Safety precaution ■ Outline for safety operation This manual does not cover all possible contingencies, variations and details that may arise during installation, operation or maintenance of this equipment. If the user has questions regarding a particular installation, contact the local LSIS sales office.
  • Page 4 A. Safety Precaution 4. 온도 센서 2. Caution Caution 1. Be sure to tighten the terminal screws to the torque specified in the instruction manual. 2. Do not install in areas subject to high temperature, high humidity, dust, corrosive gas, vibrations, and shocks.
  • Page 5 A. Safety Precaution 4. 온도 센서 4. Warning Warning ■ Receiving A visual inspection – inside and out – should be performed immediately upon receipt of the ACB and before removing it from the truck. Shipping papers should be checked to ensure all boxes or other accompanying pieces have been received.

  • Page 6: Service Condition

    Therefore, the breaker should be specially treated. Moisture fungus treatment with increased corrosion-resistance is recommended. When using products under this condition, please contact LS service team or nearest sales representatives. 2) Special ambient temperature If the ambient temperature exceeds +40 ℃ , reduce the continuous conducting current for a use referring to Table.
  • Page 7 B. Service condition 2. Altitude and enclosure ■ Altitude Susol ACB is designed for operation at altitudes under 2000m. At altitudes higher than 2000m, change the ratings upon a service condition. Altitude [m] 2000 3000 4000 5000 Item Withstand voltage [V] 3500 3150 2500...

  • Page 8: Structure And Operation

    C. Structure and Operation 1. Internal structure and components ■ Internal configuration Control terminal block Control terminal 12 13 Auxiliary switches Closing, Trip, UVT Coil Trip Relay Front cover Mechanism Charge Handle Trip spring Closing spring Draw-in/out device Arc extinguishing part Moving contact Fixed contact Conductor on source side...
  • Page 9 C. Structure and operation 1. Internal structure and components ■ 외관 구조...
  • Page 10 C. Structure and operation 2. Basic function and breaking operation ■ ACB prevents a fire, a property damage, the breakage of an electrical equipment on load side by protecting a circuit from the fault currents. 1. Circuit Closing The closing operation of mechanism applies the current to the load. When energized, some loads makes inrush current much greater than rated current (In) (e.g.

  • Page 11: Types And Rating

    D. Types and ratings 1. Types...
  • Page 12 D. Types and ratings 1. Types...
  • Page 13 D. Types and ratings 1. Types...
  • Page 14 D. Types and ratings 2. Ratings...

  • Page 15: Unpacking

    E. Unpacking 4. 온도 센서 1. Receiving ■ Receiving A visual inspection – inside and out – should be performed immediately upon receipt of the ACB and before removing it from the truck. Shipping papers should be checked to ensure all boxes or other accompanying pieces have been received.
  • Page 16 E. Unpacking 3. Check point and caution Please read the following check points and caution carefully as they imply the critical contents which should be confirmed before performing the unpacking, inspection, or installation, etc. ■ Check points upon receiving 1. A visual inspection – inside and out – should be performed immediately upon receipt of the ACB and before removing it from the truck.

  • Page 17: Handling And Storage

    F. Handling and storage 1. Handling - This breaker and cradle are designed to move easily by overhead lifting devices such as hoisters. You can use lifting hooks which is optional to move them without difficulty. All the carrying devices should be suited to the product’s permissible weight which is presented in Table.1.
  • Page 18 F. Handling and Storage 2. Storage ■ Precaution of storage When storing a circuit breaker for a long term, 1. Keep the breaker at OFF position with the charging spring discharged. 2. Store the draw-out type breaker on the plat place after the TEST position inserted. ■...

  • Page 19: Installation

    G. Installation 1. Fixed type ■ Installation of fixed type Securely install the left and right mounting frames with M12 bolts (4ea). 4(6) -M12 <Torque> 2. Draw-out type ■ Installation of draw-out type Install draw-out type according to the instruction given below. 1.
  • Page 20 G. Installation 3. Dust cover ■ Panel cutting 4. Precaution ■ Precaution 1. Do not lay down a breaker on the side or stand with the side of it. 2. Install a circuit breaker on perfect even ground. (Within 2mm of the level difference) 3.

  • Page 21: Operation

    H. Operation 1. Manual operation Caution : Before opening or closing the breaker equipped with an under voltage tripping device, control voltage should be applied. Please operate only in the disconnected position. ■ Manual charging 1. Charge the handle 7~ 8 times with full strokes. 2.
  • Page 22 H. Operation 2. Electrical operation ■ Electrical operation Closing operation is done by charging the closing spring from remote control. If pushing trip button, closing spring is automatically charged by a geared motor and a circuit breaker is closed by closing button. ■...
  • Page 23 H. Operation 3. Draw-in operation 5. Check the draw-out handle properly inserted and then push the lock plate and turn the draw-out handle clockwise in order to insert the breaker. 6. When the breaker reaches the TEST position, the lock plate automatically projects and the draw-out handle is locked.
  • Page 24 H. Operation 4. Draw-out operation Caution 1. Please stop handle operation when draw in/out locking device protrudes. 2. Draw in or out by moving handle right or left side when draw in/out locking device can not be inserted. ■ Draw-out operation procedure 1.

  • Page 25: Trip Unit Externals And Configuration

    I. Trip unit externals and configuration 4. 온도 센서 1. Knob setting ■ N, A type Knob Configuration ■ P,S type Knob Configuration ■ N, A type knob information No Type of knob Mode setting step ① Continues current setting (0.5-0.6-0.7-0.8-0.9-1.0) ×...
  • Page 26 I. Trip unit externals and configuration 4. 온도 센서 2. Key and LED configuration ■ N tpye key / LED ■ A, P, S type key / LED DIGITAL TRIP RELAY DIGITAL TRIP RELAY ⓕ ⓕ ① ② ③ ④ ⑤...

  • Page 27: Trip Unit Setting

    J. Trip unit setting 4. 온도 센서 1. Protection ■ N type...
  • Page 28 J. Trip unit setting 4. 온도 센서 1. Protection ■ A type...
  • Page 29 J. Trip unit setting 1. Protection ■ P,S type...
  • Page 30 J. Trip unit setting 2. Operation characteristic ■ Long-time delay (L) N, A type PS TYPE ■ Short-time delay (S) ■ Instantaneous (I)
  • Page 31 J. Trip unit setting 2. Operation characteristic ■ Ground Fault (G) ■ Earth Leakage (G) - Option 1.Standard setting current Knob : Ig (1) ZCT provided Susul ACB (OCR Z,K Type) - Setting range : 0.5-1-2-3-4-5-10-20-30-Off(A) (2) Private ZCT (OCR E,X Type) - Setting range : 0.5-1-2-3-4-5-Off(A) 2.
  • Page 32 J. Trip unit setting 3. Rating plug Caution 1. . Rating plug is available to about 50% of Ampere Frame (CT ratio) of circuit breaker. 2. In case of wrong rating plug for the circuit breaker., Alarm message shall indicate. (All Leds of trip unit lighting) 3.

  • Page 33: The Operation Of Trip Unit

    K. The operation of trip unit 4. 온도 센서 1. Menu tree Caution ■ Each movement within Menu Tree can be done by using Menu and ESC button. ■ Use UP(△)/Down(▽) button to move around each setting information under Relay Setting Display. ■...
  • Page 34 K. The operation of trip unit 3. Button configuration Caution DIGITAL TRIP RELAY ■ After 90 seconds under idle condition, it moves back to Measurement Display page. And data doesn’t save. ■ If pressing ‘ESC/Reset’ button in case of no power supply with OCR, BATT LED will come on to indicate the residual quantity of battery.
  • Page 35 K. The operation of Trip unit 5. Relay Setting Display– Long-time Delay, Short-time Delay Relay setting Display Ground- Ground- Ground Long-time Long-time Short-time Short-time Instantane fault fault tripping current tripping -fault tripping measuring pickup ous pickup setting delay delay pickup delay current Display...

  • Page 36: Relay Setting Display

    K. The operation of Trip unit 4. 온도 센서 5. Relay Setting Display Measurement display Firmware Communication Option Communication Present time Event Relay setting version Address setting display Speed set display index display Display Button Contents If pressing MENU’ button 3 times from the measurement Display, move to Communication Address Setting screen.
  • Page 37 K. The operation of Trip unit 4. 온도 센서 5. Relay Setting Display Measurement display Firmware Communication Option Communication Present time Event Relay setting version Address setting display Speed set display index display Display Button Contents If pressing ‘UP’ button 3 times from Option Display, move to Thermal mode setting screen.
  • Page 38 K. The operation of Trip unit 4. 온도 센서 5. Relay Setting Display Measurement display Firmware Communication Option Communication Present time Event Relay setting version Address setting display Speed set display index display Display Button Contents 1. If pressing' Enter' from Event Index, the time information of relevant events is displayed.

  • Page 39: Characteristic Curves

    L. Characteristic curves 4. 온도 센서 1. Long-time protection...
  • Page 40 L. Characteristic curves 4. 온도 센서 2. Short-time protection...

  • Page 41: Instantaneous / Ground-Fault Protection

    L. Characteristic curves 4. 온도 센서 3. Instantaneous / Ground-fault protection...
  • Page 42 L. Characteristic curves 4. 온도 센서 4. IDMTL...
  • Page 43 L. Characteristic curves 4. 온도 센서 5. Pre-trip alarm...

  • Page 44: Inspection And Troubleshooting

    M. Inspection and troubleshooting 1. Inspection and maintenance cycle The purpose of inspection for ACB is to prevent the accidents in advance and maintain the performance of it by changing timely the consumable and deteriorative parts. Please make sure the following guideline specified the method for inspection & cycles before using of the equipment.
  • Page 45 M. Inspection and troubleshooting 2. Defects and troubleshooting guideline ■ Troubleshooting guideline...

  • Page 46: Wiring Diagram Of Control Circuit

    N. Wiring diagram of control circuit 1. Wiring diagram...

  • Page 47: Other Operation

    O. Other operation 1. KEYLOCK operation Keylock is used to prevent unintentional closing operation of the ACB by user. When the ACB is in the operation state, the ACB can operate the On/Off operation with plugged the key. If the ACB is locked, the key is unplugged and the closing operation is not possible.

  • Page 48: Erms

    O. Other operation 2. ERMS(Energy reduction maintenance settings) function -ERMS(Energy Reduction Maintenance Setting) is a function to reduce the ARC energy to ensure workers' safety. When using the ERMS function, the instantaneous setting value is set to the minimimum setting value(2*In) regardless of the real setting. -ERMS function is available via digital input.
  • Page 49 ■ HEAD OFFICE LS Tower 1026-6, Hogye-dong, Dongan-gu Anyang-si, Gyeonggi-do 431-848, Korea Tel. (82-2)2034-4870 Fax. (82-2)2034-4713 http://www.lsis.biz ■ Cheong-Ju Plant Cheong-Ju Plant #1, Song Jung Dong, Hung Duk Ku, Cheong Ju, 361-720, Korea Tel. (82-43)261-6001 Fax. (82-43)261-6410 79563466001 Specifications in this technical catalog are subject to change without notice Instruction Manual for Susol ACB 2011.01/(02) 2011.04 JUNGANG...

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