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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

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

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

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.

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