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CHINT NXB-63 User Manual

CHINT NXB-63
8 pages
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NO:2020.04
Standard: IEC/EN 60898-1
User Instruction
NXB-63NXB-63H
Miniature Circuit Breaker
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CHINT NXB-63 Specifications

General IconGeneral
Poles1P, 2P, 3P, 4P
Breaking Capacity6kA
Tripping CurveB, C, D
Rated Voltage (Ue)230/400V AC
StandardsIEC/EN 60898-1
Mechanical Life20, 000 operations
Electrical Life10, 000 operations

Summary

Safety Warnings

Professional Installation and Maintenance

Ensures installation and maintenance are performed by qualified professionals, including power off procedures and secure wiring.

Environmental and Location Requirements

Prohibits installation in damp, explosive, or corrosive environments for product integrity and safety.

Operational Safety and Limitations

Covers user interaction, child safety, protection limits, and restrictions on specific load types.

Purpose of Use

Key Technical Parameters

Installation

Outline and Installation Dimensions

Provides dimensions and diagrams for product installation, specified in millimeters.

On-Off Indication

Illustrates the red and green indicators for ON and OFF states of the circuit breaker.

Mounting Rail Installation

Details the mounting process onto a TH35-7.5 type rail, with visual guides for attachment.

Disassembly Procedure

Provides visual steps for safely removing the circuit breaker from its mounting.

Wiring Guidelines

Specifies copper wire usage and provides a table for selecting appropriate wire cross-sectional areas.

Maintenance and Troubleshooting

Routine Checks and Fault Clearance

Outlines regular checks during operation and the procedure to eliminate faults before closing the breaker.

Common Fault Analysis

Details symptoms, cause analysis, and troubleshooting methods for common circuit breaker issues.

Environmental Protection

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