Introduction – Schneider MasterPact NW10N2 Air Circuit Breaker

The Schneider MasterPact NW series is designed for low-voltage electrical distribution systems that require reliable circuit protection and switching performance. These air circuit breakers are used to protect electrical equipment and distribution circuits against overloads and short circuits.

The NW10 family belongs to the 1000 A frame class and is intended for high-current distribution applications. Depending on the selected version, the breaker can be integrated into fixed or drawout switchboard assemblies.

When selecting an NW10 circuit breaker, it is important to evaluate the electrical ratings, interrupting capacity, trip-unit functions, and installation arrangement. For the NW10N2 reference specifically, buyers should verify the model designation against the product nameplate and complete catalog number before purchase.

Technical Specifications – Product Details and Dimensions

Parameter	Specification
Brand	Schneider Electric
Product Series	MasterPact NW
Model Reference	NW10N2
Product Type	Air Circuit Breaker
Frame Class	NW10 (1000 A)
Dimensions (H × W × D)	352 × 537 × 297 mm
Weight	65 kg (143.30 lb)
Application	Low-voltage power distribution and circuit protection

Dimensions and weight are based on the supplied product information. The NW10N2 model designation and exact electrical configuration should be confirmed against the product nameplate before ordering.

Recommended Related Models – Schneider MasterPact NW10 Range

The following documented NW10 references can be considered when comparing interrupting performance and electrical configurations.

Model	Product Type	Frame Class
NW10N1	Air Circuit Breaker	1000 A
NW10H1	Air Circuit Breaker	1000 A
NW10H2	Air Circuit Breaker	1000 A

These versions have different interrupting ratings and should be selected according to the installation's fault-current requirements.

Popular Related Models – MasterPact NW Circuit Breakers

NW10N1 – A 1000 A frame circuit breaker for standard low-voltage distribution applications.
NW10H1 – An NW10 configuration with a higher interrupting-performance category.
NW10H2 – An NW10 option designed for applications requiring a higher short-circuit interrupting capacity.
NW08N1 – An 800 A frame model for comparatively lower-current distribution applications.
NW12N1 – A 1250 A frame model for higher-current distribution requirements.

The N1, H1, and H2 designations represent different electrical performance categories. Always verify the complete catalog reference, rated voltage, breaking capacity, trip unit, and mounting configuration before replacement or purchase.

Applications – Industrial Power Distribution and Circuit Protection

The Schneider MasterPact NW10 series is designed for low-voltage power distribution systems requiring dependable circuit protection and switching. It is suitable for demanding electrical installations in industrial plants, commercial buildings, and infrastructure facilities.

Typical application areas include:

Main low-voltage distribution switchboards
Industrial power distribution cabinets
Commercial building electrical systems
Power distribution centers
Electrical installations requiring coordinated overload and short-circuit protection

The breaker should be selected according to system voltage, rated current, prospective short-circuit current, and protection coordination requirements.

Advantages – Reliable Protection and Switchboard Integration

High-current distribution: The NW10 frame belongs to the 1000 A class of the MasterPact NW family.
Overload protection: Compatible electronic trip units provide configurable overload protection.
Short-circuit protection: The appropriate breaker version can interrupt fault currents within its specified breaking capacity.
Installation flexibility: The MasterPact NW range includes different mounting arrangements, depending on the selected configuration.
Protection coordination: Adjustable trip settings help coordinate the breaker with other protective devices.
Accessory compatibility: Applicable configurations support auxiliary contacts, operating mechanisms, and control accessories.

Technical FAQs – Configuration, Operation and Maintenance

Q1: What is the Schneider NW10N2 used for?

It is presented as a MasterPact NW10 circuit-breaker reference for low-voltage power distribution. The exact model designation should be verified before purchasing.

Q2: What does NW10 represent?

NW10 identifies the 1000 A frame class within the MasterPact NW family. The actual rated current depends on the selected sensor rating and breaker configuration.

Q3: Is NW10N2 a standard Schneider catalog model?

The Schneider selection information identifies NW10N1, NW10H1, NW10H2, and other performance variants. NW10N2 is not listed in the referenced selection tables. Confirm the complete catalog number and nameplate before ordering.

Q4: What protection functions can the MasterPact NW10 provide?

Depending on the installed trip unit, protection may include long-time, short-time, instantaneous, and ground-fault functions. The actual functions depend on the trip-unit version.

Q5: Can the NW10 series interrupt short-circuit currents?

Yes. The appropriate circuit-breaker version can interrupt short-circuit currents within its specified breaking capacity at the applicable operating voltage.

Q6: How should the trip unit be selected?

Consider the system's rated current, sensor rating, protection requirements, fault level, and coordination settings. The selected trip unit must be compatible with the breaker.

Q7: Is the NW10 available in fixed and drawout configurations?

The MasterPact NW family includes fixed and drawout versions. Confirm the construction of the specific unit before selecting mounting accessories.

Q8: Can remote operation be added?

Remote operation may be supported through compatible operating mechanisms and control accessories. Verify the accessory requirements for the exact breaker configuration.

Q9: What maintenance checks are recommended?

Follow the manufacturer's maintenance instructions. Typical checks include inspecting electrical connections, contact condition, operating mechanisms, trip-unit functions, and auxiliary circuits.

Q10: What should be checked before replacing an existing NW10 breaker?

Check the full catalog reference, rated current, operating voltage, breaking capacity, pole arrangement, mounting construction, terminal connections, trip unit, and accessories. A similar model designation does not guarantee compatibility.

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