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General| Rated Current (In) | 1000 A |
|---|---|
| Rated Voltage (Ue) | 690 V AC |
| Standard | IEC 60947-2 |
| Mounting Type | Fixed |
| Rated Operational Voltage | 400 V AC |
| Rated Insulation Voltage | 800 V |
| Trip Unit Type | Electronic |
| Poles | 3P |
| Breaking Capacity (Icu) | 50kA/65kA/85kA (depending on voltage) |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu) | 50kA/65kA/85kA (depending on voltage) |
Presents comprehensive technical specifications and parameters for the NA8G series air circuit breakers.
Detailed wiring diagram for NA8G-1600 using a standard intelligent controller.
Covers the features, interface, and protective characteristics of the intelligent controllers.
Explains the buttons, indicators, and display of the standard controller's user interface.
Describes the default display and basic operation steps for the standard controller.
Details the buttons, indicators, and display of the multifunctional controller's user interface.
Describes the organization of protection parameter settings within the controller.
Presents characteristic curves and parameters for the overcurrent and earth fault protection of the standard intelligent controller.
Details the characteristic curves and settings for long time-delay overcurrent protection.
Explains the characteristics and settings for short-circuit short time-delay overcurrent protection.
Describes the characteristics and setting parameters for short-circuit instantaneous overcurrent protection.
Outlines the characteristics and setting methods for single-phase earthing fault protection.
Lists and describes various accessories available for the NA8G series air circuit breakers.
Provides a guide to common malfunctions and their troubleshooting methods for NA8G breakers.
Addresses issues related to breaker tripping and the fault indicator status.
Covers troubleshooting steps when the breaker fails to close properly.
Explains reasons and solutions for tripping immediately after closing.
Addresses issues where the breaker fails to open as expected.
Details troubleshooting for when the breaker fails to store energy.
Provides an exploded view and identification of the main components of the NA1 series air circuit breaker.
Provides wiring diagrams for the secondary circuits of NA1 models.
Introduces the intelligent controller for the NA1 series, covering its features and UI.
Details the protection features and characteristics of the intelligent controllers.
Details the electrical and protection characteristics of the NA1 intelligent controllers.
Presents characteristic curves for overload, short delay, and instantaneous overcurrent protection.
Describes the operating characteristics for overload long time-delay protection.
Details the operating characteristics for short-circuit instantaneous protection.
Outlines the characteristics and operating modes for earthing protection.
Provides essential safety precautions and procedures for maintaining and overhauling circuit breakers.
Provides a troubleshooting guide for common failures encountered with the circuit breaker.
Presents a flowchart to diagnose and resolve common circuit breaker malfunctions.
Lists common malfunctions and provides corresponding maintenance methods.
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