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Specialty Fuses

Semiconductor fuses | Medium voltage fuses | High voltage fuses | Low voltage fuses
Miniature cylindrical fuses


Medium voltage High voltage Low voltage Miniature Cylindrical

Air and oil insulated switch gear (HHB)

Air and gas insulated switch gear (HHF)

Capacitor protection (HHC)

Transformers under oil (HHO)

Overhead lines (HHP)

High voltage fuse (HHD)

Capacitor banks

Motor (HHM)

Distribution transformers

Voltage transformers

D fuses:
AC 400 V - AC 500 V /
DC 250 V - DC 500 V
Current rating:
0.5 A to 200 A

Knife blade fuses (NH)

 

Miniature Fuses (G ), Cylindrical sizes:

5 x 20 - 6.3 x 32 - 5 x 25

5 x 30 - 8 x 50 - 8 x 85

10 x 85 - 8 x 120 - 8 x 150 mm


Hill Technical Sales specializes in providing innovative fuse protection for:

Our semiconductor fuses offer protection against short circuit faults with low I2T values, low power loss and high interrupt ratings. Fuses have high current rating and UL recognition.

Our fuses for medium voltage capacitors / capacitor banks have high interrupt rating of 63kA and can be easily direct mounted to capacitor bushing with: threaded holes on both ends, a threaded hole and L-bracket or L-brackets on both sides. Specials mounting for your unique requirements are available.

We also have fuses for medium and high voltage applications like; switch gear / motor protection / transformers including submersibles and cable feeders.

Other unique fuses include, miniature electronic fuses (DC rated fuses for 6000 VDC and above), bottle fuses for all sizes DIAZED, NEOZED, Cylindrical type, Wind-Power inverters, Traction, Inverters, Choppers, Mining, Turbine, Switchgear, ASD, AC/DC Drives, UPS, Forklift, Navy. Communication, and many other applications

Other fuse holders and accessories are available to support your needs.


Semiconductor Fuses
Class Voltage Rating Current Rating Standards Product
Reference
AR 660 to 1000VAC 10 to 400A DIN 43653; IEC 60269-4; DIN VDE 0636-40; UL 248-13
gR/aR 440 to 500VAC 2 to 200A DIN VDE 0636-40; DIN 49515/49360
gR/aR 660 to 5000VDC 6 to 800A IEC 60269-4; DIN VDE 0636-40;DIN 49515/49360
AR 240 to 700VAC 5 to 900A IEC 60269-4; BS 88-4
aR/gR 500 to 200VAC 16 to 800A DIN 43620; DIN 43653
AR * 700AC / 1300VAC 50 to 1600A DIN 43653; DIN VDE 0636-40;IEC 60269-4;UL 248-13

* UL Recognition

Class Size

Type

Voltage rating

Current Rating

Standard

Product
Reference
gRL 00/1/2/3

Knife blade contact fuses

690VAC

16 to 800A

DIN 43620

URL

Fuses with bolted contact

690VAC

16 to 800A

DIN43653

Cylindrical fuses

500 to 690VAC

6 to 100A

N/A

 

Class

Size

Type

Voltage rating

Product
Reference

gR/aR/gRL 5 x 20 mm Cylindrical
fuse
AC 250 V URZ
6.35 x 32 mm AC 500 - 1000 V
10 x 38 mm AC 600 - 1000 V
14 x 51 mm AC 500/600V - 690/700 V
22 x 58 mm AC 500/600 V - 690/700 V
27 x 60 mm AC 660 V - 1000 V

Standards: IEC 60269-4 and -1; DIN VDE 0636-23;UL 248-13


Fuses For Semiconductor Protection
North American and European Standard TYPE SQB Sizes 1, 2 AND 3

Siba Product Picture


Long blade version

Square body fuses type, SQB are available in 3 different body sizes. Each size is available in various mounting styles for global applications. Variety in body sizes, mounting style and amp ratings allow the greatest flexibility in equipment design. SQB fuses provide superior engineering for the protection of today's power semiconductors. The silicated process together with special shape and form of the pure silver melting elements give excellent results of low I2t -values and high interrupting ratings. And they are the most reliable under high cycling load conditions. All fuses can be fitted with micro switches.

  • High interrupting rating 200 kA
  • Very low I2t -values
  • Voltage ratings AC 690/700 V and AC 1250/1300 V
  • Suitable for North American and European standard
  • Reliable also at high cyclic loading
  • Fuse bases and Accessories are available
Class Size

Voltage rating

Current Rating

Standard

Product
Reference
aR 1/2/3

AC 700 V / AC 1300 V

50 up to 1600 A

DIN 43653

URS

DIN VDE 0636-40

IEC 60269-4

UL 248-13

Download PDF Catalog for more Information

Fuses For Semiconductor Protection European Standard Class gR
Siba Product Picture


Side and end view

This line of gRL class fuses offers superior combination of two fuses into one. Type gRL fuses provide protection to power electronic equipment and cables with low power losses and low I2t-values simultaneously.  Fuse type gRL offers:

Semiconductor protection against short circuit faults via their Ultra Rapid "gR" characteristic.

Cable protection against overload via their "gG" characteristic.

  • High current limitation
  • Low power losses
  • Semiconductor protection against short circuit faults
  • Cable protection against overload current
  • Low I2t -values
  • High interrupting rating up to 200 kA
  • Compliance with the following standards: IEC 60269-1 / -2-1 and -4 DIN
  • Class gRL follows the requirements of the new standardized class gS
Download PDF Catalog for more Information

Fuses For Semiconductor Protection
Cylindrical Fuses - European Standard

Isolated fuse base for fuses with cylindrical contact caps shown below
Cylindrical ultra-rapid fuses are available in 6 different sizes. They can be fitted with or without built-in striker pin for fuse blown indication or operation of micro-switches.
  • High interrupting rating up to 300 kA
  • Voltage rating 250 up to 1000 V AC
  • Protection of Power Semiconductors according to IEC 60269-1 and -4
  • With or without integrated striker pin
  • Class aR according to IEC 60269-4 and DIN VDE 0636-40
  • Class gR according DIN VDE 0636-40
  • Fuse-Bases / Fuse-Clips and Accessories are available
Class Size

Voltage rating

Current Rating

Standard

Product
Reference
gR
aR
gRL
5 x 20 mm

AC 250 V

125 mA - 200 A

IEC 60269-1
and -4

DIN
VDE 0636-23

UL 248-13

 

URZ
6.35 x 32 mm AC 500 - 1000 V
10 x 38 mm AC 600 - 1000 V
14 x 51 mm AC 500/600V - 690/700 V
22 x 58 mm AC 500/600 V - 690/700 V
27 x 60 mm AC 660 V - 1000 V
Download PDF Catalog for more Information

DC-Application / Traction Fuse

5000 VDC fuse

DC-Fuses are offered in clip-mounted and bolt-design. The fuses are used for applications in traction-, battery, and railway main- circuits. They are largely used for the protection of frequency-inverters. Because the application it is possible in a big variety you should contact Hill Technical to have information regarding the use at different voltage ratings, classes or L/R's.
  • Designed for heavy duty applications
  • Shock and vibration proved
  • Some types with additional microswitches
  • Developed according customers specification
  • Individual tested time constants
  • Designed for long lasting live under severe service conditions
Class

Voltage rating

Current Rating

Standard

Product
Reference
gR
aR

DC 660 V - DC 5000 V

6 A - 800 A

UIC 550

IEC 60269-4

DIN
VDE 0636-23

 

URDC
Download PDF Catalog for more Information

Miniature Fuses G


Fuse holder for
5 x 20 mm fuse

  • Very high interrupting rating up to 70 kA
  • High rated voltages up to 10 kV
  • High fuse ratings available for semiconductor protection
  • Fuse bases, clips and accessories are available
Class Size

Voltage rating

Current Rating

Standard

Product
Reference

F fast acting

T time lag

M medium time lag

FF very fast acting

Cylindrical fuses:
5 x 20
6.3 x 32
5 x 25
5 x 30
8 x 50
8 x 85
10 x 85
8 x 120
8 x 150 mm

Radial lead 2 pin fuses: KS, Ø 8.4 mm

SMD fuses: Voltage ratings: 65 V - 10 kV

65 V - 10kV

6 A - 800 A

IEC 60127

DIN VDE 0820

CEE4

UL 248-14, UL 512

CSA-C22.2 No. 248.14

G
Download PDF Catalog for more Information

Medium Voltage Fuses For Capacitors
Siba hhc fuses

 

Dual UNC thread drawing

UNC and bracket connected drawing
Capacitor protection fuses can easily be fitted direct onto capacitor bushings, because they are fitted with threaded holes at both ends. Their electrical characteristic suits the protection requirements of capacitors. Characteristic following capacitor protection needs for back up protection. Cartridge type current limiting Special mounting brackets available on request

Voltage rating

Current Rating

Standard

Product
Reference

4.8 / 7.2 / 15.5 kV

6.3 - 250 A

IEC 60 282-1

IEC 60 549

HHC
Download PDF Catalog for more Information

High Voltage Fuses

Siba Product PictureGerman DIN Standard For Air & Gas Insulated Switchgears Outdoor Switchgears

HV Fuse-links have parallel connected pure silver fuse-elements. The design and method of production of the elements ensures narrow tolerances of time-current characteristics. The fuse elements are wound on a ceramic support and are attached to the silver plated connection caps by means of spot-welding.

The connection caps are fitted inside the silver plated copper end caps by spot welding. The copper end caps themselves are press-fitted onto the porcelain tube, which is glazed inside and outside. The end caps are furthermore mechanically fixed to the porcelain tube and additionally sealed by a durable elastic sealing medium. This sealing method has been proven over many decades of positive field experience and ensures tightness against ingress of humidity.

High voltage fuse diagram - vertical cut

Vertical cut

Download PDF Catalog for more Information

High Voltage Fuses
Siba Product Picture

Top view

Motor Circuit Protection -
Din And British Standard

Motor Rated Fuses are available in German DIN Standard and British Standard Design. The large variety in body sizes / mounting style/ Voltage and Amp rating allow great flexibility for the designer of switchboard panels.

  • Protection of Motor circuits according IEC 60644High resistance against cyclic and peak current loads / avoiding ageing because of high motor start up currents
  • Low power losses / minimizing temperature increase in narrow contactor enclosures
  • Low minimum interrupting currents for operation of over-currents in the range 3 - 3.5 x rated current
  • Availability of Temperature limiters for switchgear protection against excessive temperature rise
  • Type tested according IEC 60470 in cooperation with the major European Panel builders
  • Available in DIN 43625 and BS 2692 dimensions
Class

Voltage rating

Current Rating

Standards

Product
Reference
Back up AC 3.6 - 7.2 kV

50 - 315 A

Dimensions:
DIN 43625 and BS 2692

Electrical:
IEC 60644
IEC 60470
IEC 60282-1

HHM
Download PDF Catalog for more Information


Medium Voltage Fuses
Siba Medium Voltage Fuses Side view

European Standard For Installation Inside Transformers Under Oil.

These are general-purpose fuses for installation in transformers; they offer space and cost saving in distribution transformer substation design. They are designed to protection against short-circuit and internal transformer faults and also offer bursting protection of the transformer through specific characteristic of the fuse-link resistance against ageing

 

 

Download PDF Catalog for more Information


Medium Voltage Fuses - British Standard
Siba Medium Voltage Fuses - British


Side view

Medium voltage fuses according British Standard are backup fuses for the protection of substations up to 24 kV. The fuse links of this section comply with the following national and international standards:

IEC 60282-1

BS 2692

ESI 12-8

Design and construction of these fuses follow the well-proven concept of all high-voltage fuse-links. For pressure resistant encapsulation, high-grade ceramic is used. Contact material consists of silver plated high conductivity copper. The pure silver melting elements are provided with appropriate notches to ensure small time/current-curve tolerances and low let-through currents. The arc quenching quartz sand is subject to special survey criteria regarding its composition, grain size and humidity content.

Download PDF Catalog for more Information


Medium Voltage Fuses - French Standard
Siba Medium Voltage Fuses - French

Side view

For Air & Gas Insulated Switchgears Outdoor Switchgears
High-Voltage fuse-links of size 55 x 520 mm are suitable for the protection of power transformers used in energy distribution. Usually they are used for
indoor application, outdoor use is possible. In case of a short circuit the fuse will interrupt fault currents between five times the fuse rated current and the
rated breaking current.

Standards:

IEC 60282-1

NFC 64210

Download PDF Catalog for more Information


Medium Voltage Fuses - European Standard
Siba Product Picture


Medium voltage fuses Plug-in fuses for overhead lines

Medium voltage fuse links including overhead line connectors are provided as a set. They allow in overhead lines to provide fuse protection on pole mounted distribution transformers. The set consists of a high voltage fuse link including a set of contacting armatures

Download PDF Catalog for more Information


Low Voltage Fuses - European NH Knife-Blade Fuse System
Siba Low Voltage Fuses

Side and end view

Description: European NH Knife-Blade Fuse System

SIBA NH Fuse-links with top and center indicator are available in a large variety of voltage ratings, body sizes and operating classes:

Sizes: 000, 00, 0, 1, 2, 3 and 4

Voltage ratings: AC 400 / 500 / 690 / 1000 / 1500 V

Fuse bases and accessories available, made of sheet steel base plate with ceramic support Low power losses and temperatures

All fuse links are entirely corrosion resistant

Operation class

Application

gG

General Purpose Cable and Line protection

gB

For general application

aM

Motor circuit short circuit protection

gTr

General Purpose Transformer Protection

gTF

For general application

 

 

Standards:

IEC 60269-1-2 / EN 60269-1-2
DIN VDE 0636 part 201
DIN VDE 0636 part 2011
DIN 43620
Approvals: Germany, Austria, Switzerland
Combination indicator (top and center) for easy identification of blown fuses
High interrupting rating up to 120 kA
Voltage ratings AC 400 - 1500 V
Operation classes gG / gB / aM / gTr / gTF available for all applications


Removal tags: Standard design in metal, insulated removal tags available for increased safety

Download PDF Catalog for more Information


Fuses For Semiconductor Protection - European Standard
Siba Product Picture

Top, end and side view

They are designed to protect Power Semiconductors according to IEC 60269-1 IEC 60269-4 and comply with DIN 43653. Fuses are available with or without top indicator and trip microswitch.

aR class 10 A - 400 A according to IEC 60269-4 and DIN VDE 0636-40. Fuse Bases and Accessories are also available

Sizes 000 And 00

Class: aR

Voltage rating: AC 660 V - AC 1000 V

Current rating: 10 A to 400 A

Standards: DIN 43653, IEC 60269-1 IEC 60269-4, DIN VDE 0636-40 and UL 248-13

These fuses have extremely high interrupting rating 100 kA - 300 kA with voltage ratings AC 660 V - AC 1000 V

 

Download PDF Catalog for more Information


Fuses For Semiconductor Protection - European Standard
Siba Product Picture

Type DV

TYPE D0 / D

D-Fuses, also known as type Diazed/ Neozed fuses are supplied in eight different sizes, ND, DII, DIII, DVI, DV, D01, D02, D03. All fuses have color-coded blown fuse indicators.

Voltage rating: AC 440 V - AC 500 V

Current rating: 2 A to 200 A

Class: gR / aR

Standards: IEC 60269-4, DIN VDE 0636-40 DIN 49515 / 49360

Class gR for rated currents up to 100 A
Class aR for rated currents above 100 A

All fuses have blown fuse indicators

Protection of Power Semiconductors according to IEC 60269-4

Fuse Bases and Accessories are available

 

Download PDF Catalog for more Information

Knife Blade Contact - German Standard
Siba Product Picture

Side and end view

 

Ultra-rapid knife blade contact fuses type NH are available in many different sizes and four voltage ratings. They follow DIN/VDE -IEC standard and can be fitted in open fuse bases. Usage in fuse bases or switches requires the comparison of the power loss of the fuse with the power acceptance of the base or switch.

All type NH-fuses are available with either integral blown fuse indicator or a separately fitted trip indicator fuse for microswitch operation.

Class: aR/gR

Sizes: 000 / 00 / 0 / 1 / 2 and 3

Voltage ratings: AC 500 V - 2000 V

Current ratings: 16 A up to 800 A

High interrupting rating up to 120 kA

Voltage rating AC 500 V - AC 2000 V

Compliance with DIN 43620 and DIN 43653 standard

Fuses with blown fuse combination indicator

Class aR according to IEC 60269-4 and DIN VDE 0636-40 and

Class gR according to DIN VDE 0636-40

Fuse bases / Switches and Accessories are available

Download PDF Catalog for more Information

Fuses For Semiconductor Protection - European-British Standard
Siba Product Picture

Size 8.4 x 38 m

Protection of Power Semiconductors according to IEC 60269-4
Complies with BS 88 Standard and are available with or without striker for microswitch operation, Class aR 5 A - 900 A according to IEC 60269-4

Standards: IEC 60 269-4, BS 88-4

Class: aR

Voltage ratings: AC 240 V - AC 700 V

Current ratings: 5 A - 900 A

High interrupting rating 100 kA

Voltage rating AC 240 V - AC 700 V

Download PDF Catalog for more Information

D Fuses
Siba Product Picture

Type D II

The diameter of the bottom of the fuse-links are garduating, corresponding to the fixed diameter of the gauge piece, this prevents them from being interchangeable.

Voltage rating: AC 400 V - AC 500 V / DC 250 V - DC 500 V

Current rating: 0.5 A to 200 A

Class: gG/gL

Standards: IEC 60 269-3-1, DIN VDE 0636 Part 301, DIN 49515 / 49360 / 49365 / 49522

Systems: ND - AC 500 V - DIN 49360

D - AC 500 V - DIN 49515 / DO - AC 400 V - DIN 49522

Download PDF Catalog for more Information

Class

Voltage rating

Current Rating

Standards

Product Reference

AR

660 to 1000VAC

10 to 400A

DIN 43653; IEC 60269-4; DIN VDE 0636-40; UL 248-13

URB

gR/aR

440 to 500VAC

2 to 200A

DIN VDE 0636-40; DIN 49515 / 49360

URD

gR/aR

660 to 5000VDC

6 to 800A

IEC 60269-4;DIN VDE 0636-40;DIN 49515/49360

URDC

AR

240 to 700VAC

5 to 900A

IEC 60269-4; BS 88-4

URE

aR/gR

500 to 200VAC

16 to 800A

DIN 43620; DIN 43653

URM

AR *

700AC / 1300VAC

50 to 1600A

DIN 43653; DIN VDE 0636-40;IEC 60269-4;UL 248-13

URS

* UL Recognition

Class gRL,

Size: 00 / 1 / 2 / 3

Product Reference: URL

Type

Voltage rating

Current Rating

Standard

Knife blade contact fuses

690VAC

16 to 800A

DIN 43620

Fuses with bolted contact

690VAC

16 to 800A

DIN43653

Cylindrical fuses

500 to 690VAC

6 to 100A

N/A

Class gR/aR/gRL

Size: Cylindrical fuse

Product Reference: URZ

Size

Voltage rating

5 x 20 mm

 AC 250 V

6.35 x 32 mm

AC 500 - 1000 V

10 x 38 mm

AC 600 - 1000 V

14 x 51 mm

AC 500/600V - 690/700 V

22 x 58 mm

AC 500/600 V - 690/700 V

27 x 60 mm

AC 660 V - 1000 V

Standards:

IEC 60269-4 and -1; DIN VDE 0636-23;UL 248-13

 

 

 

 

 
   

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