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Fuses Base

We are a leading Wholesale Trader of DIN isolating links - 3NG, Siemens 3NW NS Voltage HRC Fuse, BS Fuses - 3NW, Siemens 3NE8 714 20A Fuses, Siemens 7NA7 802 AC HRC Fuse and 3NP1 Fuse Switch Disconnector up to 630A from Faridabad, India.
DIN isolating links - 3NG
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Fuse TypeNA
Current Rating160a to 630a
BrandSiemens
VoltageNA
Cat Number3NG1
Country of OriginMade in India

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Siemens 3NW NS Voltage HRC Fuse
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Current Rating2A-800A
Voltage415V AC
BrandSiemens
Weight32.0 grams
Part Number3NW NS20

We are the prominent company that is engaged in providing high quality range of Siemens 3NW NS Voltage HRC Fuse.

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BS Fuses - 3NW
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BS Fuses - 3NW

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Rated Current2A to 800A
Voltage415V AC/240V DC
Rated Voltage80Ka
Breaking Capacity80KA
BrandSIEMENS

HRC fuses (BS) 3NW• 2A-800A• Rated at 415V AC/240V DC• Breaking capacity 80kA (AC)

Type :-

Blade tag

Offset tag

Central tag

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Siemens 3NE8 714 20A  Fuses
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Current Rating20A
Voltage660V
BrandSiemens
Model3NE8

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Siemens 7NA7  802 AC HRC Fuse
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Voltage500V
Braking Capacity120 kA
BrandSiemens
Model7NA7

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3NP1 Fuse Switch Disconnector up to 630A
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Rated Current160-630A
Poles Number3 Pole
BrandSiemens
Voltage LevelLow-Voltage

• 160-630A in 3- pole versions• Rated voltage of 690V AC/440V DC• Suitable for floor & busbar mounting• With mechanical & electronic fuse monitoring
Application:Machine ProtectionFrequency Converter ProtectionCompensation Systems (Capacitor Panels)Distribution Boards and Switchboards

ApplicationPossible uses

3NP1 fuse switch disconnectors can be used for protecting and switching the most diverse electrical loads:

  • Motor starter combinations
  • In conjunction with SITOR fuses for the protection of frequency converters and soft starters
  • Fusing of compensation modules
  • Cable feeders
  • Group fusing of small loads

The devices are optimized for operation in all kinds of system environments:

  • Low-voltage switchgear assemblies for power distribution and MCCs (e. g. main and sub-distribution boards)
  • Distribution systems with cover levels of 32 and 70 mm or 45 and 70 mm
  • Mechanical engineering
  • Railway applications
Fuse monitoring

Fuse monitors are used to detect, indicate and report faults:

  • MFM – electromechanical fuse monitoring for AC/DC networks
  • EFM 10 – electronic fuse monitoring for AC networks
  • EFM 20 – electronic fuse monitoring with line monitoring for AC networks
  • EFM 25 – electronic fuse monitoring with line monitoring for DC networks
Standards and specifications

The 3NP1 fuse switch disconnectors are compliant with:

  • IEC 60947-1, EN 60947-1
  • IEC 60947-3, EN 60947-3

Benefits:• Cost and space savings thanks to the compact design• Selection charts with semiconductor fuses in accordance withIEC 60269-2• Direct connection of stripped conductors supports considerablyfaster mounting / installation• Ease of mounting with direct bus bar mounting option• Leading auxiliary switches with respect to main contacts available.

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DIN Fuse - 3NA
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DIN Fuse - 3NA

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Fuse TypeHRC FUSE DIN TYPE
Current RatingUpto 800a 120ka
BrandSIEMENS
Cat Number3NA

HRC Fuses Type 3NA3 Introduction LV HRC Fuses During installations, when the conventional HRC Fuses are mounted on the fuse bases or Switch Disconnector Fuse Units in panels as in Fuse Rails above certain height, it is very difficult to identify the status of the fuse link whether healthy or blown. This necessitates requirement of additional front indication. The combination indicator Fuse has two indicators as against one indicator in conventional fuses. One indicator is on top cover plate similar to conventional fuses and other indicator is at the centre of the ceramic body of the fuse link. This helps in clear identification of status of fuse even from front side. 3NA7 LV HRC Fuses are available in 5 different sizes from 2 to 800A. The main part of the LV HRC fuses is the fuse element of high-grade copper. The important factors are the reistance value per meter, the Short data description : 3NA7 LV HRC Fuses Standards IS 13703 Part 2 Section 1(1993); IEC 269 Dimensions IS 13703; IEC 269 Operating class gG Rated Voltage AC 500V / DC 440V upto 630A (DC 250V for size 00) AC 690V/DC 440V (DC 250V for size 00) Rated Current Range 2 to 800A: (500 Vac) 800A@415V. 40 to 500 A (690 Vac) Rated Breaking Capacity AC 120kA / DC 25kA Mounting position as desired but preferably vertical Resistance to climate -300 C to +500 C at 95% ralative humidity material thickness and the dimensional accuracy. Three criteria decisive in the production of the fuse elements are: • Accurate cutting and punching • Precise application of the solder deposit • Accurate and concentric insertion of the fuse-element in the fuse body. Where several fuse elements are involved, these are fitted exactly parallel to each other in the fuse body. This ensures adequate cooling of the individual arcs. The precision of the parallel arrangement can be verified by observing the beads of molten metal after the fuse has switched off a short circuit. The fuseelement must not be too close to the wall of the fuse body as otherwise there is no protective layer of sand. If the arc were to touch the wall of the fuse body, the fuse might burst or blow. The fuse elements of 3 NA7 fuses are of operating class gG and of copper. The use of silver-plated or pure silver fuse-elements is not required for physical reasons. Oxidation, also called scalling of copper, which reduces the crosssection of the fuse-element, occurs only at a temperature of approx. 3500 C. In the time/current range within which a fuse operates, however, only temperatures of 1800 C to 2400 C are attained. Hence safe tripping is ensured with this fuse element. Advantages • Consistently high quality LVHRC fuses • Least stresses to downstream equipments during short circuit due to lower let through current • Low power losses resulting in high economy and minimal heating. • Safe and reliable breaking capacity from the smallest and dangerous overload current upto the largest short-circuit current. • Finely graded selectivity level for the optim use of cable cross sections • High resistance to ageing thus avoids unnecessary operational faults • Constant characteristics even under different temperature condition

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3Ng DIN Isolating Links
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3Ng DIN Isolating Links

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Rated CurrentNA
Rated VoltageNA
Making CapacityNA
BrandSeimens
Current400A
Model Name/Number3NG

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Fuse Holders And Accessories For Fuses - 3nw
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Fuse TypeFuse holders & isolating link
MaterialNA
Current Rating20A to 100A
BrandSIEMENS
VoltageNA
Mounting TypeNA

Fuse holders (for fuses type 3NW ,TIA, TSA, TIS, TSS, TSDS, 3NW NS) & Isolating link

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BCH Make Plugs & Sockets
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BCH Make Plugs & Sockets

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IP RatingNA
Current RatingNA
Rated VoltageNA
BrandBCH
MaterialNA
Country of OriginMade in India

Metal Clad - Plugs & Sockets Type 'MP' & 'MS'
Plastic Plugs & Socket Type 'PS'
Heavy Duty Metal - Control Plugs & Sockets Type 'SS'
Heavy Duty Metal - Power Plugs & Sockets Type 'SS'
Heavy Duty Metal Plug & Sockets Type 'DS' - 5 Pin (with Integral Switching Device)
Metal Clad - Plug & Socket Box Type ‘MPSEU’

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Fuses For Semiconductor Protection - 3ne/ 3nc
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Fuse TypeFuses for semiconductor protection - SITOR 3NE / 3NC
Current Ratingupto 2400A
VoltageOperating voltage 500V - 2500V AC
BrandSiemens
Usage/ApplicationSuitable for mounting in fuse base / SDF / busbars
Model Name/Number3NE/3NC

• Current Range upto 2400A• Operating voltage: 500V - 2500V AC• Suitable for mounting in fuse base / SDF / busbars

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