Brand:Schneider PLC Item No.:NW25HA Product Origin:France Product Dimensions:442 x 352 x 297 mm Product Weight:60 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
Introduction – Schneider NW25HA for Low-Voltage Switching Applications
The Schneider NW25HA is a device intended for high-capacity low-voltage distribution applications where circuit switching and isolation are important parts of the electrical system design.
In industrial and commercial installations, the selection of a switching device involves more than nominal current. Engineers and maintenance teams must also consider operating voltage, isolation requirements, short-circuit conditions, connection design, and coordination with protective equipment.
The NW25HA should therefore be specified according to its complete product reference and the requirements of the installation. Before ordering or replacement, confirm the device type and its rated functions from the product nameplate and technical documentation.
Technical Specifications – Dimensions and Product Data
Parameter
Specification
Brand
Schneider Electric
Model
NW25HA
Product Type
Switch-Disconnector
Product Series
MasterPact NW
Dimensions (W × H × D)
442 × 352 × 297 mm
Weight
60 kg (132.28 lb)
Application
Low-voltage power distribution and electrical isolation
Electrical ratings, connection details, mounting configuration, and accessory compatibility should be confirmed against the complete catalog reference.
Recommended Related Models – MasterPact NW Switch-Disconnectors
The following models belong to the MasterPact NW switch-disconnector range and may be relevant when comparing current ratings and system configurations.
Model
Product Type
Rated Current
NW20HA
Switch-Disconnector
2000 A
NW25HA
Switch-Disconnector
2500 A
NW32HA
Switch-Disconnector
3200 A
NW40HA
Switch-Disconnector
4000 A
Selection should be based on the required rated current, voltage, pole arrangement, mounting style, and short-circuit withstand characteristics.
Popular Related Models – Schneider MasterPact NW Range
NW20HA – A 2000 A switch-disconnector for high-capacity distribution systems.
NW25HA – A 2500 A model for installations requiring a higher current rating.
NW32HA – A 3200 A option for larger distribution assemblies.
NW40HA – A 4000 A model for demanding power distribution applications.
These models are not direct substitutes for one another. Confirm the complete catalog number and fixed or drawout configuration before ordering or replacement.
Applications – Main Power Distribution and Electrical Isolation
The Schneider NW25HA is intended for use in low-voltage power distribution systems where dependable switching and electrical isolation are required. It can be considered for industrial facilities, commercial buildings, and infrastructure installations with high-capacity electrical distribution networks.
Typical application areas include:
Main distribution boards and switchboards
Industrial power distribution systems
Electrical isolation during maintenance operations
Power distribution assemblies in large facilities
Electrical installations requiring a dedicated switching and isolation device
The complete system design should account for the device's rated operational characteristics, installation conditions, and coordination with upstream and downstream protective equipment.
Advantages – Practical Switching for Distribution Systems
Isolation function: Supports the separation of electrical circuits for maintenance and system management.
High-capacity application: Designed for use in substantial low-voltage distribution assemblies.
Integration into switchboards: Can be incorporated into appropriately designed electrical distribution equipment.
Maintenance planning: Helps establish defined isolation points within an electrical installation.
System configuration flexibility: Selection can be matched to the electrical requirements and operating arrangement of the distribution system.
A switch-disconnector should not be treated as a substitute for an automatic circuit breaker unless the specific device configuration is explicitly rated for the required protection function.
Technical FAQs – Selection, Installation and Operation
Q1: What is the primary function of the Schneider NW25HA?
It is used as a switching and isolation device in low-voltage power distribution systems. Its role is to provide a means of separating a circuit from its electrical supply.
Q2: Is the NW25HA an automatic circuit breaker?
The HA designation should be checked against the exact Schneider product reference. Where the device is supplied as a switch-disconnector, it does not provide the same integrated overcurrent protection as an automatic circuit breaker.
Q3: Can the NW25HA be installed in a main distribution board?
It may be suitable for a main distribution application when its electrical ratings, mounting arrangement, and connection requirements match the switchboard design.
Q4: Does the device provide overload and short-circuit protection?
Do not assume that it does. The protection functions depend on the exact device type. A separate protective device may be required in the circuit.
Q5: What information should be checked before selecting the NW25HA?
Confirm the complete catalog reference, rated operational voltage, current, utilization category, short-circuit coordination requirements, and installation arrangement.
Q6: Can the NW25HA be used for electrical maintenance isolation?
It can serve as an isolation point when installed and operated according to its specified isolation capability and the applicable electrical safety procedures.
Q7: What should be considered when connecting the main conductors?
Check the approved conductor sizes, terminal arrangement, tightening torque, and connection accessories in the product documentation. Incorrect connections can cause overheating or equipment damage.
Q8: Does the NW25HA require routine inspection?
Yes. Inspection should follow the manufacturer's maintenance instructions and the site's electrical maintenance schedule. Check for signs of overheating, contamination, mechanical damage, and loose connections.
Q9: Can the NW25HA be operated remotely?
Remote operation depends on the installed operating mechanism and compatible accessories. Confirm the actual configuration before planning remote switching or control.
Q10: What should be checked when replacing an existing device with the NW25HA?
Verify electrical ratings, dimensions, mounting points, busbar connections, operating mechanism, accessories, and coordination with the existing protection system. Similar model designations do not automatically indicate interchangeability.
