Related Manuals for ABB K-Line Plus KP-8
Summary of Contents for ABB K-Line Plus KP-8
- Page 1 IB 6.2.11.1-1C Installation/Maintenance Instructions Low Voltage Power Circuit Breaker ® K-Line Plus Type KP-8 thru KP-20...
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Page 2: Table Of Contents
CONTENTS PAGE INTRODUCTION ........................3 QUICK REFERENCE FOR UNCRATING, INSPECTION, AND INSTALLATION ......3 CIRCUIT BREAKER ESCUTCHEON FEATURES ..............4 CIRCUIT BREAKER INTERNAL COMPONENTS ..............6 K-LINE PLUS CIRCUIT BREAKER CRADLE FEATURES ............7 SOLID STATE TRIP SYSTEM ....................8 OPERATING SEQUENCE FOR ELECTRICALLY OPERATED (EO)CIRCUIT BREAKERS .. -
Page 3: Introduction
AC power circuit breakers featuring draw-out carrier and notify your ABB sales office. ABB is not construction and the MPSC-2000 microprocessor- responsible for damage of goods after delivery to the based trip system with RMS sensing. -
Page 4: Circuit Breaker Escutcheon Features
ABB does interconnecting harness. This direct-acting trip device not provide coordination information unless contracted comes complete with long time delay, short time delay, to do so by the purchase order. - Page 5 IB 6.2.11.1-1C Page 5 1. Lifting Rig 12. Manual Close Lever 2. Arc Chute 13. Padlock Hasp 3. MPSC-2000 Trip Device 14. Motor Disconnect Switch 4. Nameplate 15. Automatic Trip Indicator 5. Self-Aligning Dust Cover 16. Removable Maintenance Handle 6. Spring Charge Indicator 17.
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Page 6: Circuit Breaker Internal Components
IB 6.2.11.1-1C Page 6 normally closed (N.C.), with either common or isolated breaker must be tripped before the shutter can be lifted return circuits. The Trip Lockout prevents circuit This prevents racking the circuit breaker with the main breaker reclosure when the automatic trip indicator is in contacts closed. - Page 7 IB 6.2.11.1-1C Page 7 Figure 2 - Electrical Characteristics of Control Devices Average Closing Shunt Trip Shunt Trip or Nominal Control Charging Circuit Circuit Recommended Close Coil Voltage Motor Voltage Voltage Control Fuse Size Current Current* Range Range 120VAC (60 Hz) 6.5A 104-127 104-127...
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Page 8: K-Line Plus Circuit Breaker Cradle Features
IB 6.2.11.1-1C Page 8 cradle-mounted linkage permits only one of two K-LINE PLUS CIRCUIT BREAKER CRADLE horizontally or vertically adjacent circuit breakers to be FEATURES closed at any time, when in the CONNECTED position. All K-Line Plus breakers use a mating cradle which ®... -
Page 9: Operating Sequence For Electrically Operated (Eo)Circuit Breakers
IB 6.2.11.1-1C Page 9 The MPSC-2000 trip system also includes all the instructions in IB 6.1.2.8-1A. connection ports software performing communication duties when connected to the PRICOM A trip operation indicator, or target, is provided on the or PRICOM-PLUS communication systems. Although face of the MPSC-2000 unit. -
Page 10: Closing Spring Operation (Mo)
IB 6.2.11.1-1C Page 10 and the control power source energized, the following breaker should be done with the circuit breaker in the occurs when the motor disconnect switch is placed in TEST position. the ON position (Refer to the schematic on page 11): 1. - Page 11 IB 6.2.11.1-1C Page 11 K-Line Plus Typical Composite Schematic (Electrically Operated) Spare Auxiliary Switch Contacts (see notes) Motor+ Close+ Trip+ CSCS TRIP COIL CSCS CLOSE COIL Trip- Motor- Close- Local Electrical Trip & Close (Optional) Undervoltage Trip Device (Optional) UVD wiring internal to the breaker is dependent on the UVD model and voltage.
- Page 12 IB 6.2.11.1-1C Page 12 K-Line Plus Secondary Disconnect Assignments Description Description Notes: Charge Motor + Undervoltage Trip Device + (1) These assignments provided for reference only, Shunt Trip - Undervoltage Trip Device - and may be changed due to Close Coil + (MPSC-2000 4WG or DESP) special requirements.
- Page 13 IB 6.2.11.1-1C Page 13 (Continued from page 10) close and trip, these push buttons may be used to operate circuit breaker. NOTE: Some switchgear schemes allow the local electrical close Electrically Operated (EO) Models: and trip push buttons to operate only in the CONNECTED positions.
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Page 14: Maintenance And Inspection
IB 6.2.11.1-1C Page 14 CLOSED indicator for contact status and closing spring Circuit Breaker Removal charge indicator for closing spring status. To move the circuit breaker to the TEST position or to When it is necessary to charge the closing springs and/ remove it from the compartment, proceed as follows: or operate the circuit breaker during maintenance, keep hands and tools away from operating parts. - Page 15 IB 6.2.11.1-1C Page 15 attention. These maintenance instructions only cover from the arc chute and blow any excess away with circuit breakers used under the ANSI standard's usual clean, dry compressed air. service conditions. Unusual conditions are covered in ANSI Standard C37.13. The inspection of all circuit Arc Chute Replacement breakers should include opening and closing the circuit breaker electrically and manually.
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Page 16: Adjustments
IB 6.2.11.1-1C Page 16 replaced or abraded during cleaning, contact gap 1. Rack the circuit breaker to the TEST position. Make adjustment is mandatory. sure the closing springs are charged. SAFETY: SAFETY NOTES 2. Operate the local (if installed) or remote electrical MAINTENANCE section. -
Page 17: Contact Pressure
IB 6.2.11.1-1C Page 17 escutcheon box (right-hand side when facing the front of the circuit breaker) and depress the close block lever pin (5) at "A". 3. With the close block lever pin (5) held in the down position, lift the manual close lever. The close block lever pin (5) will remain in the down position. -
Page 18: Mechanism
IB 6.2.11.1-1C Page 18 Figure 9 - Latch Engagement and Tripper Bar Latch Engagement Adjustments Figure 8 - Contact Adjustment full turns. Tripper Bar Latch Engagement (Refer to Figure 9) or are within 0.032 inch of each other. The tripper bar latch engagement adjusting screw (4) is The contacts should now be in correct adjustment and located adjacent to the latch engagement adjusting the breaker may be put in service. -
Page 19: Procedure For Field Testing The Mpsc-2000 Solid State Trip System
IB 6.2.11.1-1C Page 19 "C" Figure 10 - Shunt Trip Adjustment Figure 11 - Close Coil Adjustment The magnetic latch device in K-Line Plus breakers 2. Rotate the adjusting screw counterclockwise until it does not require adjustment. is not possible to turn it further, DO NOT FORCE. 3. - Page 20 ABB and follow the special instructions contained therewith. 2. It is recommended that the Range Selection be set to its lowest value to minimize the current required for The term “Range Selection”...
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Page 21: Dielectric Withstand Tests On Power And Control Circuits
IB 6.2.11.1-1C Page 21 Condition Of Circuit Breaker To Be Tested - Dielectric 3. Set the ST Curve to DEF. tests shall be made on a completely assembled circuit breaker and not on individual parts. 4. Set the ST Pickup to its lowest setting. Temperature At Which Tests Are To Be Made - 5. -
Page 22: Renewal Parts
DO NOT APPLY GREASE TO LATCH OR ROLLER SURFACES. ABB recommends only those renewal parts be stocked Anderol 757 is available from ABB, p/n 712994-A00. that will be required to insure proper and timely... - Page 23 IB 6.2.11.1-1C Page 23 NOTES:...
- Page 24 IB 6.2.11.1-1C Page 24 NOTES:...
- Page 25 IB 6.2.11.1-1C Page 25 NOTES:...
- Page 26 IB 6.2.11.1-1C Page 26 ABB, Inc. P.O. Box 100524 Florence, South Carolina 29501 Phone: (843) 413-4700 Fax: (843) 413-4850...