Table of Contents
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Table of Contents
Related Manuals for CHINT NA1-2000
Summarization of Contents
General Information
Application Scope
Details the circuits and environments where the air circuit breaker can be used.
Operation Conditions
Specifies environmental and operational limits including temperature, altitude, and air conditions.
Main Technical Parameters
NA1-1000 Parameters
Presents technical specifications for the NA1-1000 model, including breaking capacity and insulation voltage.
NA1-2000 Parameters
Presents technical specifications for the NA1-2000 model, including breaking capacity and insulation voltage.
NA1-3200/4000/6300 Parameters
Presents technical specifications for NA1-3200, NA1-4000, and NA1-6300 models.
Dimensions and Connection
NA1-1000 Dimensions
Provides detailed dimensional drawings and connection configurations for NA1-1000 drawout and fixed types.
NA1-2000 Dimensions
Provides detailed dimensional drawings and connection configurations for NA1-2000 drawout and fixed types.
NA1-3200 Dimensions
Provides detailed dimensional drawings and connection configurations for NA1-3200 drawout and fixed types.
NA1-4000/6300 Dimensions
Provides detailed dimensional drawings for NA1-4000 and NA1-6300 drawout types.
Secondary Circuit Wiring
NA1-1000 Wiring
Illustrates the secondary circuit wiring diagram for the NA1-1000 model.
NA1-2000 to 6300 Wiring
Illustrates secondary circuit wiring diagrams for NA1-2000, NA1-3200, NA1-4000, and NA1-6300.
Installation
Installation Procedures
Details the step-by-step process for installing the circuit breaker, including handling and checks.
Partitions and Busbars
Covers requirements for partitions, air circulation, and busbar connection materials.
Cable Connection and Clamping
Explains main circuit cable connection methods and busbar clamping torque specifications.
Operation and Maintenance
Describes circuit breaker operation modes and maintenance recommendations.
Recommendations and Curves
Bus-bar Recommendations
Provides guidance on selecting and connecting bus-bars based on breaker current ratings.
Power Loss
Details the power loss values for different models and types (drawer/fixed).
A²S Curve
Presents the A²S curve graph for current limiting characteristics.
Selectivity Protection
NM8 vs NA1 Protection
Details selective protection settings between NM8 and NA1 circuit breakers.
NA1 Internal Protection
Outlines selective protection settings within the NA1 series.
Intelligent Controller
NA1-1000 Controller
Describes the standard M type intelligent controller for NA1-1000, including its functions and keys.
NA1-1000 Communication H Type Controller
Details the communication H type intelligent controller for NA1-1000, including panel and functions.
Controller Functions and Operations
Explains basic functions, symbols, operation instructions, and communication for intelligent controllers.
NA1-2000 to 6300 Controller
Details the standard M type intelligent controller for NA1-2000, 3200, 4000, 6300 models.
Controller Symbols and Power Supply
Provides a table of signal meanings and details the operational power supply for controllers.
Protective Functions
Summarizes the protective functions offered by intelligent controllers.
H Type Controller Details
Explains the wiring diagrams, panel illustration, and functions of the H type controller.
Signal Comparison and Operation
Compares signals and meanings, and provides operation instructions for intelligent controllers.
Accessories
Under-voltage Release
Describes the characteristics and specifications of the under-voltage release accessory.
Shunt Release
Details the characteristics and specifications of the shunt release accessory.
Closing Release
Outlines the characteristics and specifications of the closing release accessory.
Motor-Driven Energy Storage
Describes the characteristics of the motor-driven energy-storage mechanism.
Auxiliary Contact and Doorcase
Covers specifications for auxiliary contacts and the doorcase accessory.
Phases Barrier and Locking Mechanisms
Details phases barriers, off-position locking, key locks, pushbutton locks, and transparent shields.
Mechanical Interlocks
Explains cable mechanical interlocks and connecting-rod type mechanical interlocks.
Malfunctions and Solutions
Circuit Breaker Tripping Issues
Lists common tripping faults and their causes and maintenance methods.
Operational Issues
Details various operational problems and their corresponding solutions, including mechanical and electrical faults.
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