
Allicdata Part #: | FNM-40-ND |
Manufacturer Part#: |
FNM-40 |
Price: | $ 10.89 |
Product Category: | Circuit Protection |
Manufacturer: | Eaton |
Short Description: | FUSE CARTRIDGE 40A 250VAC 5AG |
More Detail: | N/A |
DataSheet: | ![]() |
Quantity: | 1000 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
10 +: | $ 9.89604 |
Applications: | Motor Protection, Transformer Protection |
Size / Dimension: | 0.406" Dia x 1.500" L (10.30mm x 38.10mm) |
Package / Case: | 5AG, 10mm x 38.1mm |
Mounting Type: | Holder |
Breaking Capacity @ Rated Voltage: | 10kA |
Operating Temperature: | -- |
Approvals: | CE, CSA, UL |
Class: | -- |
Features: | -- |
Series: | FNM |
Response Time: | Slow |
Voltage Rating - AC: | 250V |
Current Rating: | 40A |
Fuse Type: | Cartridge |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Bulk |
Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us: sales@allicdata.com
FNM-40, also known as FNM Medium-Voltage Fuses, are components with the capability to provide short-circuit protection for a wide range of applications. This type of fuse is mainly equipped to systems that run on power circuits up to 3,000V, with the option to deliver standard nominal currents up to 5,000A or 20,000A.
The applications of FNM-40 include large industrial and commercial installations, utilities, and motor/transformer systems, among others. For instance, its widely used on distribution and power transformers, motors, cables, bus ducts, and rectifier systems. The FNM-40 fuse also provides protection for branch circuits, switchboards, instrumentation, capacitors, and distribution devices.
The FNM-40 fuses work on the principle of thermal-magnetic coordination. This means that the fuses can provide time-delay protection by sensing the heat generated in an overcurrent situation, and subsequently disrupting the current by deploying the fuse filament. This delayed action prevents too much current from running and damaging the system components.
To ensure that the FNM-40 fuse protects the system safely, it is important to select the right size and type.FNM range of fuses are equipped with various types that are the standard FNM-A and the long-delay FNM-B type. The FNM-A type has a time-delay of around 5 to 10 s, while the FNM-B type has a slightly longer time-delay of 10 to 15 s. FNM fuses are also available in different sizes, ranging from 630A to 20,000A. By selecting the right type and size, one can guarantee that the fuse acts as an effective protection system.
The FNM range of fuses has more features to offer, such as the availability of accessories like fuse cutouts, secondary switch type cutouts, and GIS-type cutouts. The FNM fuse is also considered as one of the safest fuses, thanks to its built-in arc-blasting mechanism and its long lifetime. FNM-40 is also considered a reliable option due to its superior short-circuit current breaking capacity, making it a suitable short-circuit protection system for applications up to 3,000V.
The specific data is subject to PDF, and the above content is for reference
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