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Specification & Description
| Specification | Description |
|---|---|
| Part Number | NG125N |
| Manufacturer | Schneider |
| Product Type | Miniature Circuit-Breaker |
| Range | Acti9 |
| Poles Description | 3P (3 Pole) |
| Rated Current | 100 A at 40 °C |
| Network Type | AC/DC |
| Trip Unit Technology | Thermal-Magnetic |
| Curve Code | C Curve |
| Breaking Capacity | 25 kA at 380...415 V AC 50/60 Hz conforming to EN/IEC 60947-2 |
| Utilisation Category | Category A conforming to IEC 60947-2 |
| Suitability for Isolation | Yes conforming to IEC 60947-2 |
| Rated Operational Voltage | <= 375 V DC, 380...415 V AC 50/60 Hz, 500 V AC 50/60 Hz, 220...240 V AC 50/60 Hz, 440 V AC 50/60 Hz |
| Rated Insulation Voltage | 690 V AC 50/60 Hz conforming to EN/IEC 60947-2 |
| Rated Impulse Withstand Voltage | 8 kV conforming to EN/IEC 60947-2 |
| Contact Position Indicator | Yes |
| Control Type | Manual, Toggle |
| Mounting Mode | Clip-on |
| Mounting Support | 35 mm symmetrical DIN rail |
| Comb Busbar and Distribution Block Compatibility | Yes |
| Width | 81 mm |
| Depth | 81 mm |
| Height | 103 mm |
| Net Weight | 0.72 kg |
| Mechanical Durability | 20000 cycles |
| Electrical Durability | 10000 cycles |
| Provision for Padlocking | Padlockable |
| Connections - Terminals | Tunnel type terminals for rigid and flexible wires |
| Wire Stripping Length | 20 mm |
| Tightening Torque | 3.5 N.m |
| Earth-leakage Protection | Separate block |
| IP Degree of Protection | IP20 conforming to IEC 60529 |
| IK Degree of Protection | IK05 conforming to EN/IEC 62262 |
| Pollution Degree | 3 conforming to IEC 60947-2 |
| Overvoltage Category | IV |
| Tropicalisation | 2 conforming to IEC 60068-1 |
| Relative Humidity | 95% at 55 °C |
| Ambient Air Temperature for Operation | -30…70 °C |
| Ambient Air Temperature for Storage | -40…70 °C |
| REACh Regulation | REACh free of SVHC Yes |
| EU RoHS Directive | Compliant |
| Mercury Free | Yes |
| China RoHS Regulation | China RoHS Declaration |
| Environmental Disclosure | Product Environmental Profile |
The Schneider NG125N is a high-performance miniature circuit-breaker designed to offer efficient and reliable protection for electrical circuits. This 3-pole breaker is rated at 100 A and is engineered with a C curve tripping characteristic, making it suitable for a wide range of applications where moderate levels of inrush current are expected, such as with mixed resistive and inductive loads.
With a substantial breaking capacity of 25 kA, the NG125N ensures protection against short circuit and overload conditions, safeguarding both equipment and personnel. The robust thermal-magnetic trip unit technology within this device provides precise operation, ensuring that circuits are interrupted swiftly in the event of a fault, thereby minimising potential damage.
The compact design of the NG125N, with a width of 81 mm and a depth of 81 mm, allows for space-saving installation, which is particularly beneficial in environments where space is at a premium. The device is also padlockable, offering an added layer of security and safety during maintenance or in situations where controlled access is necessary.
Constructed to meet the rigorous standards of EN/IEC 60947-2, the NG125N boasts an IP20 degree of protection, ensuring durability and reliability in a variety of operating conditions. The circuit breaker is also compliant with the latest environmental regulations, classified as a Green Premium product, which means it is free from harmful substances and is designed with end-of-life disposal in mind.
The NG125N is a versatile and essential component for modern electrical protection, offering both performance and peace of mind in commercial and industrial settings.
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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We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.
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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Read more...Peace of mind with every purchase
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Frequently Asked Questions
What type of device is the Schneider NG125N?
The Schneider NG125N is a miniature circuit-breaker designed for distribution applications within electrical systems.
What are the key characteristics of this miniature circuit-breaker?
This circuit-breaker is a 3-pole device with a 100 A rated current at 40°C, thermal-magnetic trip unit technology, and a C curve characteristic. It has a breaking capacity of 25 kA conforming to IEC/EN 60947-2 standards.
Can the Schneider NG125N be used for isolation purposes?
Yes, the Schneider NG125N is suitable for isolation according to IEC 60947-2 standards.
What are the installation requirements for this circuit-breaker?
The circuit-breaker should be mounted on a 35 mm symmetrical DIN rail and is designed for clip-on mounting. It also features a toggle control type for manual tripping tests.
What are the environmental operating conditions for the Schneider NG125N?
The circuit-breaker operates within an ambient air temperature range of -30 to 70°C for operation and -40 to 70°C for storage. It has an IP20 degree of protection and a pollution degree of 3 conforming to IEC 60947-2.
Is the Schneider NG125N padlockable for added security?
Yes, it has provisions for padlocking and features integrated padlocking for securing the device.
What type of terminals does the Schneider NG125N have for wire connections?
It is equipped with tunnel type terminals suitable for both rigid and flexible wires, accommodating a range of wire sizes.
What is the mechanical and electrical durability of this circuit-breaker?
The Schneider NG125N has a mechanical durability of 20,000 cycles and an electrical durability of 10,000 cycles.
Does the Schneider NG125N have any indication features?
Yes, it includes a contact position indicator as well as ON/OFF indication and a trip indicator for operational status visibility.
How does the Schneider NG125N contribute to environmental sustainability?
The Schneider NG125N is a Green Premium product, which means it complies with the latest environmental regulations and is free of substances of very high concern (SVHC).
