Related Manuals for ABB K-Line Plus KPE-16
Summarization of Contents
Introduction
Quick Reference for Uncrating, Inspection, and Installation
Provides a checklist for initial uncrating, inspection, and installation of the circuit breaker.
Circuit Breaker Escutcheon Features
Circuit Breaker Nameplates
Details information found on the circuit breaker's identification nameplates.
MPSC-2000 Trip System
Explains the microprocessor-based trip system and its components.
Automatic Trip Indicator
Describes the visual indicator for automatic overcurrent trips.
Circuit Breaker Internal Components
Solid State Control Device (SSCD)
Details the SSCD's role in controlling closing functions and the anti-pump feature.
Motor Disconnect Switch
Describes the switch used to prevent recharging closing springs.
Padlocking Device
Explains the device that locks the breaker in a trip-free condition.
Manual Trip Button
Describes the button for manually tripping the circuit breaker.
Open/Close Indicator
Describes the visual indicator showing the status of breaker contacts.
Racking Shutter and Racking Mechanism
Explains the shutter and mechanism for racking the breaker.
Closing Spring Charge Indicator
Describes the indicator for charged closing springs.
Operation Counter
Describes the counter that tracks breaker operations.
Self-aligning Dust Plate
Describes the plate that excludes dust from the breaker compartment.
Local Electrical Close and Trip Push Buttons
Describes optional push buttons for local control.
Shunt Trip
Explains the shunt trip function that opens the breaker using stored energy.
Closing Spring Charging Motor
Describes the motor that automatically charges the closing springs.
Closing Spring Check Switch (CSCS)
Explains the CSCS that disconnects power to the charging motor.
Integral Auxiliary Switch
Describes the auxiliary switch interconnected with the breaker mechanism.
Undervoltage Trip Device (Optional)
Details the optional device that trips the breaker on low voltage.
K-Line Plus Circuit Breaker Cradle Features
Stationary Primary Disconnects
Describes the stationary primary disconnects that interface with the breaker.
Secondary Disconnect
Explains the secondary disconnects for control and indicating connections.
Interference Blocks
Describes blocks that prevent interchanging breakers of different ratings.
KIRK® Key Interlock (Optional)
Details the optional KIRK® Key interlock for safety and access control.
Solid State Trip System
Selecting Trip Settings
Guides on setting current thresholds and delay bands based on system analysis.
Maintenance and Inspection
Safety Notes
Provides essential safety precautions before performing maintenance or inspection.
Periodic Maintenance Inspection
Outlines the recommended schedule for periodic inspection of the circuit breaker.
Adjustments
Slow Close Procedure
Details the procedure for slowly closing the circuit breaker contacts for adjustment.
Contact Pressure
Explains how to adjust the contact pressure for proper breaker operation.
Mechanism
Covers general adjustments related to the breaker's operating mechanism.
Shunt Trip Adjustment
Details the procedure for adjusting the shunt trip mechanism.
Procedure for Field Testing the MPSC-2000 Solid State Trip System
Instantaneous or Short Time Threshold Test
Outlines the procedure for testing instantaneous and short-time trip thresholds.
Long-Time Threshold Test
Details the procedure for testing the long-time trip threshold.
Long-Time Delay Test
Explains how to test the delay times for the long-time trip element.
Ground Trip Delay Tests
Describes the procedure for testing ground trip delay settings.
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