Brand:Schneider PLC Item No.:NS630H Product Origin:France Product Dimensions:327 x 280 x 147 mm Product Weight:18 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Schneider NS630H Circuit Breaker is a low-voltage protection device from the ComPacT NS series, developed for power distribution applications requiring high breaking capacity. It is used in electrical installations where dependable circuit interruption and coordinated protection are important to the safe operation of downstream equipment.
The NS630H family includes configurations with different protection and installation arrangements. Depending on the complete product reference, the breaker may be supplied with an electronic trip unit or as a basic frame requiring a separately selected protection unit.
For electrical contractors, industrial maintenance teams, and equipment procurement specialists, checking the complete reference is essential. Particular attention should be paid to the trip-unit configuration, pole count, rated voltage, and breaking capacity to ensure that the selected unit matches the intended application.
Technical Specifications
Parameter
Specification
Brand
Schneider Electric
Model
NS630H
Product Name
ComPacT NS630H
Product Type
Circuit Breaker
Product Family
ComPacT NS
Frame Rating
630 A
Breaking Capacity
High-breaking-capacity version; configuration and voltage dependent
Poles
3P or 4P, depending on reference
Trip Unit
Configuration dependent
Application
Low-Voltage Power Distribution
Dimensions
327 × 280 × 147 mm
Weight
18 kg / 39.68 lb
Note: NS630H specifications vary by complete product reference. Confirm the rated operational voltage, Icu/Ics values, trip-unit type, pole configuration, and mounting arrangement using the product nameplate or applicable technical documentation.
Recommended Related Models
The following Schneider Electric models are relevant for comparison within the ComPacT NS circuit breaker range. Their ratings and physical configurations should be checked before selecting an alternative.
Model
Product Type
Schneider NS630N
Circuit Breaker
Schneider NS630L
Circuit Breaker
Schneider NS400H
Circuit Breaker
Schneider NS250H
Circuit Breaker
Popular Related Models
For buyers sourcing high-current circuit protection equipment, the following models may also be relevant:
Model
Product Type
Schneider NS630H
Circuit Breaker
Schneider NSX630H
Circuit Breaker
Schneider NS800H
Circuit Breaker
Schneider NS1000H
Circuit Breaker
Applications
The Schneider NS630H Circuit Breaker is designed for low-voltage power distribution systems that require dependable circuit switching and protection. As part of the ComPacT NS family, it is intended for industrial and commercial electrical installations where high breaking capacity and reliable power management are important.
Typical applications include:
Industrial power distribution: Used in distribution boards and switchgear assemblies serving manufacturing facilities.
Main electrical panels: Suitable for applications requiring a high-current circuit protection device.
Commercial buildings: Can be incorporated into electrical distribution systems for large facilities.
Industrial machinery: Provides circuit switching and protection for appropriately rated equipment power supplies.
Power infrastructure: Supports electrical distribution arrangements in plants, utility-related facilities, and infrastructure projects.
Advantages
High breaking-capacity design
The NS630H belongs to Schneider Electric's high-breaking-capacity ComPacT NS range. It is designed for installations where the available short-circuit current requires a suitably rated protection device.
Reliable circuit interruption
When correctly configured with its protection unit, the circuit breaker can interrupt electrical circuits under specified overload and short-circuit conditions, helping protect downstream equipment and wiring.
Electronic protection options
Depending on the specific reference, the NS630H can be supplied with an electronic trip unit. Different protection configurations may be available, so the installed trip unit should always be checked before replacement or commissioning.
Suitable for industrial switchgear
The NS630H can be integrated into compatible low-voltage switchgear and distribution panels. Its application makes it relevant to industrial facilities, commercial buildings, and power distribution projects.
Established ComPacT NS product family
The ComPacT NS range offers different current ratings and breaking-capacity levels. This allows electrical designers and maintenance teams to compare products within the same family when planning distribution-system configurations.
Technical FAQs
Q1: What is the main function of the Schneider NS630H Circuit Breaker?
The NS630H is designed to switch and protect low-voltage electrical circuits. When equipped with the appropriate protection unit, it can detect specified fault conditions and interrupt the circuit to help protect electrical equipment and distribution wiring.
Q2: What does the H designation mean in NS630H?
The H designation identifies a high-breaking-capacity version within the ComPacT NS product range. Its actual interrupting capacity depends on the rated operating voltage and the exact product configuration.
Q3: What is the rated current of the NS630H?
The NS630H is a 630 A circuit breaker frame. The actual current rating and protection settings depend on the specific product reference and installed trip unit.
Q4: What protection functions are available on the NS630H?
Protection functions depend on the installed trip unit. Certain documented configurations use STR23SE electronic trip units with long-time and instantaneous protection functions. Other configurations may differ.
Q5: Can the NS630H be used in a three-phase power distribution system?
Yes. Three-pole NS630H versions are designed for three-phase distribution applications. The pole arrangement and neutral protection requirements should be confirmed against the electrical system design.
Q6: What should be checked before replacing an existing NS630H?
Check the complete reference number, rated current, breaking capacity, pole configuration, trip-unit type, terminal arrangement, and mounting method. These details are essential for confirming compatibility with the existing switchgear.
Q7: Why might an NS630H trip during normal operation?
Possible causes include overload, short-circuit conditions, incorrect protection settings, or a fault in the connected equipment. Check the trip indication and investigate the circuit before resetting the breaker.
Q8: Can the NS630H operate without a trip unit?
Some NS630H references are supplied as basic frames without a trip unit. A complete circuit protection arrangement requires a compatible protection solution. Always confirm the supplied configuration before installation.
Q9: What is the difference between NS630H and NS630N?
Both belong to the ComPacT NS630 product family, but they represent different breaking-capacity levels. The appropriate selection depends on the system's prospective short-circuit current and the required protection characteristics.
Q10: Is the NS630H suitable for replacing an older circuit breaker?
It may be suitable when its electrical ratings, physical arrangement, and accessories match the existing installation. However, matching the frame rating alone is not sufficient. Verify the complete technical configuration before replacement.
