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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 P 20  


Size 17x49 gRB/URB 690VAC with separate trip-indicator aR/gR 20 A 690VAC  

EAN/UPC code


Rated voltage AC IEC

690   V

Rated current

20   A

Fuse size




Clearing I2t At Rated Voltage

110   A²s

Melting I2t

17.1   A²s

AC Max I.R./Breaking Capacity: I1

200   kA

Power Dissipation at Rated Current Value

5.5   W

Design Details


Indication System


Indication System Type


Body/Insulating Material


Product Weight

0.06   kg

Product Diameter

18.5   mm

Product Width

27   mm

Product Length

77.2   mm

Product Height

24   mm

Sell Pack Quantity

3   EACH

Sell Pack Weight

0.18   kg

Sell Pack Width

110   mm

Sell Pack Length

140   mm

Sell Pack Height

40   mm