Schneider NW40HA Contactor
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Schneider Electric |
| Model | NW40HA |
| Product Series | MasterPact NW |
| Product Type | High-Current Switch Disconnector |
| Product Name | MasterPact NW40HA |
| Rated Operational Current | 4000 A |
| Rated Operational Voltage | 690 V AC |
| Rated Insulation Voltage | 1000 V AC |
| Rated Impulse Withstand Voltage | 12 kV |
| Rated Short-Circuit Making Capacity (Icm) | 143 kA (220–690 V AC) |
| Number of Poles | 4P (Four-Pole) |
| Power Supply Type | AC |
| Rated Frequency | 50/60 Hz |
| Isolation Function | Supported, compliant with IEC 60947-3 |
| Breaking Capacity Class | HA |
| Operating Method | Push-button operation |
| Mounting Type | Fixed mounting |
| Maximum Operating Frequency | 10 operations/hour |
| Connection Spacing | 150 mm |
| Pollution Degree | 4 |
| Applicable Standards | IEC 60947-3, IEC 60664-1 |
| Dimensions | 537 × 352 × 297 mm |
| Weight | 80 kg |
FAQ
Q1: What is the main function of the Schneider NW40HA?
The NW40HA belongs to Schneider Electric’s MasterPact NW series. It is a high-current switch disconnector designed for switching and electrical isolation in low-voltage distribution systems. Typical applications include large industrial installations, power distribution cabinets and high-current electrical circuits. It provides circuit isolation under specified operating conditions.
Q2: What are the rated current and voltage of the NW40HA?
The NW40HA has a rated operational current of 4000 A and a rated operational voltage of up to 690 V AC. It is designed for 50/60 Hz AC power distribution systems. Before installation, confirm that the system voltage, operating current and distribution design are compatible with the device ratings.
Q3: Is the NW40HA a circuit breaker, contactor or switch disconnector?
The NW40HA is a switch disconnector, not a conventional contactor. Its primary purpose is to connect, disconnect and isolate electrical circuits. It should not be treated as a circuit breaker with complete automatic overload and short-circuit protection. Appropriate protective devices must be provided separately in the electrical system.
Q4: What is the purpose of the four-pole design of the NW40HA?
The four-pole (4P) configuration allows the device to switch three-phase conductors and the neutral conductor simultaneously. This is useful in distribution systems where both the three-phase supply and neutral line need to be isolated. The actual wiring arrangement must follow the electrical system design and applicable local regulations.
Q5: What is the short-circuit making capacity of the NW40HA?
The rated short-circuit making capacity (Icm) is 143 kA within the specified voltage range of 220–690 V AC. This value represents the peak short-circuit current that the device can make under specified conditions. It does not mean that the device can independently provide short-circuit protection or continuously interrupt short-circuit current.
Q6: Does the NW40HA provide an electrical isolation function?
Yes. The device complies with the isolation requirements of IEC 60947-3 and can be used to isolate power distribution circuits. It includes contact position indication but does not have a visible break design. Before maintenance, always follow site safety procedures, including disconnecting the power supply, verifying the absence of voltage and applying grounding where required.
Q7: What should be checked when installing and commissioning the NW40HA?
Before installation, confirm that the four-pole configuration, rated current, operating voltage and fixed mounting arrangement match the distribution cabinet design. During wiring, inspect the main circuit terminals, busbar connections, connection spacing and specified tightening requirements. During commissioning, check the operating mechanism, contact position indicators and mechanical interlocking functions to ensure reliable switching operation.
Q8: What should be considered when replacing the Schneider NW40HA?
Replacement selection should not be based on the 4000 A current rating alone. Verify the number of poles, rated voltage, short-circuit making capacity, insulation ratings, mounting method, busbar connection dimensions and operating mechanism configuration. The NW40HA is not necessarily interchangeable with a conventional contactor or other MasterPact models. Confirm complete electrical and mechanical compatibility before replacement.
Schneider NW40HA Contactor is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
We can provide detailed product images upon request, and our team can arrange warehouse photos for confirmation to ensure you have all the information you need before making a purchase.
Shipping times vary depending on your location. With the support of our 16 global warehouses, we strive to deliver orders as quickly as possible. Contact us to get an estimated delivery time for your specific location.
The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
Yes, we offer competitive pricing for bulk purchases. Please reach out to our sales team with the specifics of your order to receive a custom quote.
We accept various payment methods for wholesale orders, including bank transfers (T/T), letters of credit, and other options upon agreement. For large transactions, please contact us directly for payment terms.
Yes, we offer flexible ordering options for both small and large quantities. Whether youre looking for a single unit or a large batch, we can accommodate your needs.
We occasionally offer promotional discounts for new wholesale customers. Contact us to learn more about any current offers available for first-time buyers.
If you are unsure of compatibility with your existing setup please provide your system details and our support team can verify compatibility prior to purchase.
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.
