DO FUSE-Links
Low voltage fuse-links D0
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D fuse-links for use by unskilled persons for domestic and similar applications are used as the most reliable protection of electrical installation, control and signal circuits against overload and short-circuit currents.
The whole system D contains a complete range of five physical sizes DI, DII, DIII, DIV and DV fuse-links, standard ceramic and new plastic fuse bases and all necessary accessories. It is dimensioned for rated voltages 500 V, 690 V, 750 V and 1200 V a.c. resp. 500 V or 600 V d.c. with AC 50 kA and DC 8 kA rated breaking capacity.
The system D is intended to be used in residential, business and similar buildings. When it is used in industrial
installations, it is necessary to take into account the requirements of the standard IEC 60664-1 concerning the
insulation coordination for equipment within low-voltage systems. All fuse-links have blown-fuse indicators which are visible through the screw cap when mounted. Fuse-links, fusebases, caps and fuse-disconnectors are tested and certified according to IEC 60269-3-1, DIN EN 60269-3, DIN VDE 0636-301, HD 630.3.1 and DIN EN 60269-1.
Fuse Bases
The fuse bases D0 are planned to be built into distribution boxes in
domestic and public installations. Total security against parts under voltage is achieved by installing D0 fuse bases into domestic or industrial distribution boards.Ceramic fuse-bases are tested and certified according to IEC 60269-3-1, DIN EN 60269-1, DIN EN 60269-3 and DIN
VDE 0636-301.
Advantages:
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Fuse–switch disconnector VLD01
Fuse-switch disconnector is a protection device with an exchangeable 
for D01 fuse link. This system enables the following protecting advantages, concerning the D0 fuse:
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D FUSE-Links
Low voltage fuse-links D
D0 fuse-links are used as the most reliable protection of electrical installation,
control and signal circuits against overload and short-circuit currents. The whole system D0 contains a complete range of three physical sizes D01, D02 and D03 fuse-links, standard ceramic and new plastic bases, fuse disconnectors and all necessary accessories. It is dimensioned for rated voltages 400 V a.c. resp. 250 V d.c. with AC 50kA and DC 8kA rated breaking capacity. The system D0 is intended to be used in residential, business and similar buildings. When it is used in industrial installations, it is necessary to take into account the requirements of the standard IEC 60664-1 concerning the insulation coordination for equipment within low-voltage systems .
All fuse-links have blown-fuse indicators which are visible through the screw cap when mounted. Fuse-links, fusebases, caps and fuse-disconnectors are tested and certified according to IEC 60269-3-1, DIN EN 60269-3, DIN VDE 0636-301, HD 630.3.1, DIN EN 60269-1, EN 60947-1 and EN 60947-3.
Fuse Bases
The fuse bases D are planned to be built into distribution boxes in domestic and public installations. Total security against parts under voltage is achieved by installing D fuse bases into domestic or industrial distribution boards.
Ceramic fuse-bases are tested and certified according to IEC 60269-3-1, DIN EN 60269-1, DIN EN 60269-3 and DIN
VDE 0636-301.
Accessories
Techinical Data
D FUSE-Links
Cylindrical fuse-links CH
Cylindrical fuse-links are used as the most secure protection of electrical
installations, control, and signal circuits against overloads and short circuit currents. Their dimensions comply with IEC 60269-1 and IEC 60269-2-1.
They are used mainly in industrial areas, since their dimensions allow voltages of up to 690 V. The most common sizes are the following four: 8x32, 10x38, 14x51 and 22x58.
Technical Data
Fuse disconnectors for cylindrical fuse-links
Advantages of fuse disconnector PCF:
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Techinical Data
NV/NH Low Voltage NH Knife-Blade FUSEs
Low Voltage NH Kife-Blade fuse-links
NV KOMBI advantages
ETI is introducing a new generation of low-voltage fuse-links from size NV00C up to to NV3 with new, dual indication of fuse-link operation, called KOMBI. The indicator is easily visible on the top and centre of the fuse-link, whether it is situated in a standard fuse base or vertical fuse rail or in fuse-switch disconnector. The most important advantages of NV/NH KOMBI fuse-links:
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with ETI technical team is recommended. |
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into the plastic cover |
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General about NV/NH fuse-links
Their dimensions correspond with DIN 43620, other technical characteristics correspond with the requirements of the following standards:
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IEC 60269-1:2005 / EN 60269-1:1998+A1:2005 IEC 60269-2:1986+Corr.1: | |
| 690V/gG: | 1996+A11995+A2:2001 / EN 60269-2:1995+A1:1998+A2:2002 | |
| IEC 60269-2-1:2004 / HD 60269-2-1:2005 | ||
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VDE 0636-2011 | |
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PN-IEC 60269-2 | |
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VDE 0636-2011 |
Short description of constituent parts for NV fuse-links
The body of the fuse-link is made of quality steatite which is highly resistant against temperature overloads.
In the inner part of the steatite body there is a copper melting element which is welded on a specially shaped inner part of the contact knife by spot welding. By careful shaping of this part we achived that during assembly the melting element is placed exactly into the middle of the inner place. The remaining inside place of the ceramic body is filled up with precisely determined granulation and chemical structure quarz sand. All contact knives are additionally protected with a layer of silver or on special order of nickel. On the base of cyclic tests we have proved that the fusing characteristics are very stable and the tolerance on the current axis can be up to ± 10%.