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Specification & Description
| Specification | Description |
|---|---|
| Part Number | NZM7-63N |
| Alternative Part Number | NZM763N |
| Manufacturer | Klockner-Moeller |
| Part Category | Circuit Protection |
| Part Family | Molded Case Circuit Breakers |
| Rated Operational Voltage Ue | 500 V AC |
| Rated Control Voltage Us | 110 – 415 V AC, 24 – 240 V DC |
| Conventional Thermal Current Ith | 6 A (AC), 4 A (DC) |
| Rated Operational Current Ie | Up to 63 A |
| Short-Circuit Protection | Max. fuse: 10 A, Max. miniature circuit-breaker: 10 A |
| Terminal Capacity | 1 or 2 conductors, solid or flexible: 0.75 – 2.5 mm², Flexible with ferrule: AWG 18 – 14 |
| Auxiliary Contacts | Available with different configurations |
| Voltage Releases | Shunt releases, undervoltage releases available |
| Operating Range | AC: 0.85 – 1.1xUs, DC: 0.85 – 1.1xUs |
| Lifespan, Mechanical | 20000 Operations |
| Maximum Operating Frequency | 20 Operations per hour |
| Commodity Code | 853649 |
The Klockner-Moeller NZM7-63N is a robust and reliable molded case circuit breaker designed to offer effective protection for electrical circuits. Engineered to handle currents up to 63A, this circuit breaker is an essential component in safeguarding against overloads and short circuits, ensuring the safety and longevity of electrical systems.
Crafted with precision, the NZM7-63N features adjustable trip settings, allowing for tailored protection to meet the specific needs of various applications. Its compact design makes it suitable for installation in space-constrained environments, while its durable construction ensures it can withstand the rigours of industrial settings.
This circuit breaker is suitable for a wide range of applications, including system protection for cables, generators, transformers, and motors. It can be used in both commercial and industrial electrical distribution systems, making it a versatile choice for electrical protection.
The NZM7-63N is designed for ease of use, with clear status indication and straightforward mounting options. It is compatible with a variety of accessories, allowing for customisation and integration into more complex protection schemes.
Overall, the Klockner-Moeller NZM7-63N molded case circuit breaker is a high-quality protective device that offers reliability and efficiency for electrical circuit management, making it a valuable addition to any electrical infrastructure.
Commonly Asked Questions
Is my order covered by a warranty?
Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Read more...Is Marvo a credible parts supplier?
Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
Read more...Have steps been taken to ensure quality control?
Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
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Frequently Asked Questions
What is the function of a molded case circuit breaker?
A molded case circuit breaker, such as the NZM7-63N, is designed to protect electrical circuits from damage caused by overcurrents or short circuits. Its function is to interrupt current flow after a fault is detected, ensuring the safety and reliability of the electrical system.
Can this circuit breaker be used for both AC and DC applications?
Yes, the NZM7-63N is suitable for use in both AC and DC applications. It is designed to handle a variety of voltage levels, making it versatile for different electrical systems.
How can I determine the correct settings for the overload and short-circuit releases?
The settings for overload and short-circuit releases should be determined based on the specific requirements of your electrical system, taking into account the maximum current ratings and the level of protection needed. It is recommended to consult with an electrical engineer or refer to the technical specifications for guidance.
Is it possible to remotely trip the NZM7-63N circuit breaker?
Yes, the NZM7-63N can be equipped with accessories such as shunt trips or undervoltage releases that allow for remote tripping of the breaker.
What should I do if the circuit breaker trips frequently?
Frequent tripping of the circuit breaker may indicate an overloaded circuit, a short circuit, or a faulty breaker. It is important to investigate the cause of the tripping by checking the circuit for overloads, inspecting for any signs of damage or wear, and ensuring that the breaker is correctly rated for the circuit it is protecting.
Can I use this circuit breaker as a main switch for emergency stop functions?
Yes, the NZM7-63N can be used as a main switch for emergency stop functions when fitted with the appropriate accessories and when it meets the requirements of IEC/EN 60 204-1 for main switch characteristics.
What maintenance is required for the NZM7-63N circuit breaker?
Regular maintenance for the NZM7-63N includes visual inspections for any signs of damage or wear, testing the mechanical operation of the breaker, and ensuring that all connections are secure. It is also important to periodically verify the correct functioning of the trip mechanism.
How can I ensure the NZM7-63N circuit breaker is correctly installed?
Correct installation of the NZM7-63N involves following the manufacturer's installation guidelines, ensuring that the breaker is compatible with the electrical system, and that it is installed by a qualified electrician. Proper mounting, connection, and configuration are essential for safe operation.
What are the consequences of using an incorrectly rated circuit breaker?
Using a circuit breaker that is incorrectly rated for the electrical system can result in inadequate protection, which may lead to potential damage to the electrical system, increased risk of fire, or failure to trip in the event of an overcurrent or short circuit.
Are there any specific environmental conditions to consider when using the NZM7-63N?
The NZM7-63N should be used within the environmental conditions specified by the manufacturer. This includes considerations for temperature, humidity, and exposure to corrosive substances. Using the breaker outside of these conditions can affect its performance and lifespan.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
