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NH (H.R.C) Fuses
NH (H.R.C) Fuses
The document outlines the power loss values for NH (High Rupturing Capacity) fuses as per the standards TS EN 60269, IEC 60269, and VDE 0636. The power loss is defined as the power consumption of the NH fuse when it reaches a stable temperature with the rated current passing through the circuit.
Power Loss Values:
The power loss values are provided for various rated currents ranging from 6A to 630A. The maximum power loss values are specified for different fuse sizes, ensuring they do not exceed the limits set by the standards.
Key Data from Tables:
- For rated currents from 6A to 160A, the maximum power loss is 12W.
- For rated currents from 80A to 250A, the maximum power loss is 23W.
- For rated currents from 160A to 400A, the maximum power loss is 34W.
- For rated currents from 315A to 630A, the maximum power loss is 48W.
Standards Compliance:
The power losses of Federal Electric NH fuses are below the values set by the standards, ensuring compliance with TS EN 60269, IEC 60269, and VDE 0636.
Additional Information:
The document also provides specific power loss values for different fuse sizes and rated currents, highlighting the efficiency and compliance of the fuses with international standards.
Catalog excerpts
Selective Protection (Selectivity) Characteristic Curves Super Flink NH Fuses Order Codes NH Fuse Order Codes and Technical Drawings Order Codes Technical Drawings Power Losses Table Assembly Position Relative Humidity Ambient Temperature
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tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:5.00pt "Arial", sans-serif; } .font1 { font:6.00pt "Arial", sans-serif; } .font2 { font:7.00pt "Arial", sans-serif; } .font3 { font:8.00pt "Arial", sans-serif; } .font4 { font:20.00pt "Arial", sans-serif; } .font5 { font:25.00pt "Tahoma", sans-serif; } .font6 { font:13.00pt "Times New Roman", serif; } Fuse is a protective device and it breaks current when the wire inside melts and protects its circuit against over current risks. Fdral NH fuse and fuse base are manufactured in accordance with CE. F驩dral NH fuses are manufactured...
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tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:4.00pt "Arial", sans-serif; } .font1 { font:5.00pt "Arial", sans-serif; } .font2 { font:7.00pt "Arial", sans-serif; } .font3 { font:8.00pt "Arial", sans-serif; } .font4 { font:10.00pt "Arial", sans-serif; } .font5 { font:16.00pt "Arial", sans-serif; } .font6 { font:9.00pt "Microsoft Sans Serif", sans-serif; } .font7 { font:13.00pt "Times New Roman", serif; } considre! in terms of process conditions as an end product. It is r驩sistant to dynamic forces and thermal shocks. Slective protection (selectivity): It is the method of design...
Open the catalog to page 4
tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:4.00pt "Arial", sans-serif; } .font1 { font:7.00pt "Arial", sans-serif; } .font2 { font:8.00pt "Arial", sans-serif; } .font3 { font:5.00pt "Georgia", serif; } .font4 { font:5.00pt "Impact", sans-serif; } .font5 { font:4.00pt "Tahoma", sans-serif; } .font6 { font:13.00pt "Times New Roman", serif; } omooomooo o id o io(m oono ocvicooLfl i-oon i- i- w cm co ttm«5co i- -i- -i- eu oj co^-mco Loading current (rms value). -►A Loading current- Fig-6: Current-time characteristic of NH fuses "gL/gG" Fig-7: Current-time characteristic of super...
Open the catalog to page 5
tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:4.00pt "Arial", sans-serif; } .font1 { font:6.00pt "Arial", sans-serif; } .font2 { font:7.00pt "Arial", sans-serif; } .font3 { font:8.00pt "Arial", sans-serif; } .font4 { font:9.00pt "Arial", sans-serif; } .font5 { font:18.00pt "Arial", sans-serif; } .font6 { font:13.00pt "Times New Roman", serif; } m BMC NHOOfiA Order code 9CB-C0D00-0000 (BMC) 9CB-A0D00-0000 (Steatit) □ C- with screw □ K- with clemens □ X-with screw and clemens Steatlt Size Rated current Quantity / box Kg./box 00 160 A 5 0.795 (BMC) 1.060 (Steatit) NHO« Order code...
Open the catalog to page 7
tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:8.00pt "Arial", sans-serif; } .font1 { font:9.00pt "Sylfaen", serif; } .font2 { font:13.00pt "Times New Roman", serif; } Power losses: It is the power consumption on the NH fuse, which has reached stable temprature, while rated current passes through the circuit. When rated current passes through a fuse, temprature at joints of the NH fuse (for example 00 length and 160A) does not exceed 65K. Power losses of F驩dral Electric NH fuses are below the values set by the standards. Thse values are shown comparatively in the table below...
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