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Key features & benefits

Extremely high breaking capacity fuses:
Protection of power semiconductors as per IEC standard 60269-1 and -4
690V voltage rating as per IEC 33
gR class (current ratings 12 to 90A) as per VDE 636-23
- Clearing all overloads
- Improved safety and protection
- Enabling selective coordination with all fuses within distribution circuit
aR class (current ratings 100A) according to VDE 636-23 and IEC 60269-4
Connection as per:
- German standard DIN 43653/00C
- British standard BS88-4
These fuses are UL Recognized

More specifications

Product Specifications

Item Number


Catalog number


Item Description (ERP)

6,9 GRB 17/50  


Size 17x49 gRB/URB 690VAC without trip-indicator aR/gR 50 A 690VAC  

EAN/UPC code


Rated voltage AC IEC

690   V

Rated current

50   A

Fuse size




Clearing I2t At Rated Voltage

970   A²s

Melting I2t

154   A²s

AC Max I.R./Breaking Capacity: I1

200   kA

Power Dissipation at Rated Current Value

13   W

Design Details


Body/Insulating Material


Product Weight

0.039   kg

Product Diameter

18.5   mm

Product Length

77.2   mm

Sell Pack Quantity

10   EACH

Sell Pack Weight

0.39   kg

Sell Pack Width

100   mm

Sell Pack Length

195   mm

Sell Pack Height

25   mm