SCHNEIDER VW3A1101 Central control module

Schneider NSX630N Overview

The Schneider Electric NSX630N is a high-performance Molded Case Circuit Breaker (MCCB) belonging to the ComPacT NSX series. It is designed to provide reliable overload and short-circuit protection for electrical installations up to 630A. This circuit breaker is suitable for various industrial and commercial applications.

Product Detailed Description

• Function:

• Provides overload and short-circuit protection to ensure the safe operation of electrical systems.

• Offers isolation function to cut off power during maintenance.

• Various accessories such as auxiliary contacts, alarm contacts, and trip units are available to meet different application requirements.

• Features:

• Rated current up to 630A.

• High breaking capacity ensures fast and reliable circuit interruption in case of faults.

• Compact size for easy installation in space-constrained areas.

• Modular design facilitates the installation and replacement of accessories.

• Offers a variety of trip units to suit different protection needs.

Product Parameters

• Rated Current (In):

• 630A

• Number of Poles:

• 3-pole (3P) and 4-pole (4P) available

• Rated Operational Voltage (Ue):

• Up to 690V AC

• Rated Insulation Voltage (Ui):

• 800V

• Rated Impulse Withstand Voltage (Uimp):

• 8kV

• Breaking Capacity (Icu):

• Typically 50kA or higher at 415V AC (refer to the specific model for exact values).

• Varies depending on the voltage level, for example:

• Trip Unit Types:

• Thermal-magnetic (TM)

• Electronic (Micrologic) - offers more precise protection and additional features.

• Mechanical Endurance:

• Typically 20,000 operating cycles

• Electrical Endurance:

• Typically 10,000 operating cycles (depending on the load)

• Pollution Degree:

• 3

• Please refer to the specific model of NSX630N in the official Schneider Electric product manual for detailed parameters.

Product Advantages

• High-Performance Protection:

• Provides reliable overload and short-circuit protection, ensuring the safety of electrical systems.

• High Breaking Capacity:

• Quickly interrupts the circuit in the event of severe faults, reducing the risk of equipment damage and personal injury.

• Compact Design:

• Saves installation space and is suitable for various distribution boards.

• Flexibility and Modularity:

• A wide range of accessories and trip units are available to meet different application needs.

• Easy Installation and Maintenance:

• Simple design for easy installation and routine maintenance.

• Compliance with International Standards:

• Complies with international standards such as IEC 60947-2.

Precautions

• Correct Selection:

• Choose the appropriate model and trip unit based on the actual circuit current and protection requirements.

• Correct Installation:

• Follow Schneider Electric's installation guidelines to ensure reliable connections.

• Safe Operation:

• Always comply with electrical safety regulations and disconnect power before operating or maintaining the circuit breaker.

• Regular Inspection:

• Periodically inspect the operating status of the circuit breaker and the connection of accessories.

• Avoid Overload Operation:

• Ensure that the current in the circuit does not exceed the rated current of the circuit breaker and the set values of the trip unit.

Product Applications

• Industrial Power Distribution:

• Used for the protection of power distribution lines in factories, workshops, and other industrial sites.

• Commercial Buildings:

• Used in the power distribution systems of commercial buildings, office buildings, and shopping centers.

• Infrastructure:

• Used for the electrical protection of infrastructure such as hospitals, schools, airports, and subways.

• OEM Applications:

• Can be integrated into various mechanical equipment and control cabinets to provide electrical protection.

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