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Fuses For Semiconductor Protection
North American and European Standard TYPE SQB Sizes 1, 2 AND 3
SIBA 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.
SIBA 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 microswitches.
Standards: DIN 43653, DIN VDE 0636-40
IEC 60269-4
UL 248-13
Class: aR
Voltage ratings: AC700 V /AC1300 V
Current ratings: 50 up to 1600 A
Sizes: 1, 2 and 3
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
Download PDF Catalog for more Information
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Fuses For Semiconductor Protection
European Standard Class gR
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
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Fuses For Semiconductor Protection
Cylindrical Fuses – European Standard
SIBA 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 microswitches.
Standard: IEC 60269-1 and -4
DIN VDE 0636-23
UL 248-13
Class: gR/aR/gRL
Current ratings: 125 mA – 200 A
Size and 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
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High interrupting rating up to 300 kA
Voltage rating AC 250 V up to AC 1000 V
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
Download PDF Catalog for more Information
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Dc-Application / Traction Fuse
Class: gR/aR
Voltage rating: DC 660 V – DC 5000 V
Current rating: 6 A to 800 A
Standards: UIC 550
IEC 60269-4
DIN VDE 0636-40
SIBA-DC-Fuses are offered in clip-mounted and bolt-design. The fuses are used for applications in traction-, battery, and railwaymain- circuits. They are largely used for the protection of frequency-inverters. Because the application is possible in a big variety one should contact SIBA 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
Download PDF Catalog for more Information
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Miniature Fuses G
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
Operation class:
F fast acting / T time lag / M medium time lag / FF very fast acting
Standards: IEC 60127, DIN VDE 0820, CEE4, UL 248-14, UL 512 ,CSA-C22.2 No. 248.14
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.
Download PDF Catalog for more Information
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Medium Voltage Fuses For Capacitors
SIBA 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.
The capacitor fuses are available in the following ratings:
Voltage ratings: 4.8 / 7.2 / 15.5 kV
Amp. ratings: 6.3 - 250 A
Standards: IEC 60 282-1 • IEC 60 549
High interrupting rating 63 kA
Characteristic following capacitor protection needs for back up protection
Suitable for direct fitting onto capacitor bushing Cartridge type current limiting
Special mounting brackets available on request
上海磬砚自动化工程有限公司
韩滔
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- 上海市嘉定区江桥镇张掖路355号上海电子城3号楼3046、3048室
