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Manuals
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CHINT Manuals
Circuit breakers
NA1-1000
Catalogue
CHINT NA1-1000 Catalogue
Air circuit breaker
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Table Of Contents
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Table of Contents
CHINT Group
CHINT Low-Voltage Electrical Products
Table of Contents
Summary
5 Basic Frame Sizes
NA1 Air Circuit Breaker
General
Operation Conditions
Structure
Application Scope
Main Technical Parameter
Dimensions and Connection
Secondary Circuit Wiring
Single Receiving-Circuit Operation Circuit
Dual Receiving-Circuit Auto-Switching Operation Circuit
Mounting the Circuit-Breaker
Installation
Partitions
Busbars
Busbar Connections
Main Circuit Adopts Cable Connection
Clamping
Preferred Tightening Torque for Na1'S Tightening Components
Connected Position
Wiring the Secondary Circuit According to Electric Principle Diagram
Maintenance
Operation
Recommendation for User's Connecting Bus-Bar
Power Loss
A S Curve
Temperature Compensation Correction
Coordination Recommendations
Selective Protection between NM8 and NA1
Selectivity Protection
Selective Protection in NA1
The Intelligent Controller of NA1-1000
Intelligent Controller
The Communication
Basic Functions
Default Interface
“Testing” Menu
“System Data Setting” Menu
“Historical Record and Maintain” Menu
Submenu Operation Show
Over Current Protection Characteristic
The Characteristic of Intelligent Controller
Earthing Fault Protection Characteristic
Instantaneous Characteristic
Short Time-Delay Overcurrent Protection Characteristic
Long Time-Delay Overcurrent Protection
Wiring Diagram of the Earthing Fault Protection
Load Monitor Characteristic
The Intelligent Controller of NA1-2000, 3200, 4000, 6300
Earth Fault Protection
Symbol Designation Table
Operating Power Supply
Basic Functions of Intelligent Controller
Operation Instructions
Short-Circuit Short-Delay Protection
Overload Long Time-Delay Protection
Over-Current Protection Characteristic Curve Figure
Characteristic
Short Circuit Instantaneous Protection
Appearance and Panel Illustration
Comparison of Signal and Meaning
Major Protective Functions
Operation Instruction of H Type Intelligent Controller
Parameters Setting Operation
Fault Inquiry Operation
Test Operation
Inquiry Method
Instruction to Technical Property
Power Distribution or Motor Protection
Electrical Machine Protection
Wiring Diagram of Earth Fault Protection
Technical Parameter
Load Monitor Type 1
Load Monitor Type 2
Communication Networking
Profibus-DP Protocal Networking
Under-Voltage Release
Shunt Release
Accessories
Doorcase
Motor-Driven Energy-Storage Mechanism
Auxiliary Contact
Closing Release
Phases Barrier
Off Position Locking Mechanism
Key Lock
Operation Pushbutton Lock
Cable Mechanical Interlock
Connecting-Rod Type Mechanical Interlock
Drawer Base Misplug-Proof Device (NA1-1000)
Regular Malfunction and Solutions
Order Sheet
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Quick Links
1
Na1 Air Circuit Breaker
2
Main Technical Parameter
3
Dimensions and Connection
4
Secondary Circuit Wiring
5
Installation
6
Intelligent Controller
7
Regular Malfunction and Solutions
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2007-2008 Catalogue
Air Circuit Breaker
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This manual is also suitable for:
Na1-2000
Na1-3200
Na1-4000
Na1-6300
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