Description
FERRAZ
V300076
PROTISTOR FUSE
500A
600-700V AC
6.6 URD 33 TTF 0500
VDE 0636/23 CLASSE AR
0.258 MΩ(35°C)
622470/9326
104124
LOT OF 2
The Ferraz Shawmut V300076 is a 500A Protistor fuse rated for 600-700V AC, carrying the body designation 6.6 URD 33 TTF 0500. It belongs to the marine control system, where it protects power circuits by breaking the circuit when current exceeds its rating. The fuse is marked class aR under VDE 0636/23, a classification used for fuses that protect power semiconductor devices. Its resistance is given as 0.258 MΩ at 35°C. The part is supplied in New Without Box condition.
Key Features
✓ 500A current rating
✓ 600-700V AC voltage rating
✓ Designation 6.6 URD 33 TTF 0500
✓ Class aR to VDE 0636/23
✓ Resistance 0.258 MΩ at 35°C
Marine Applications
✓ Thyristor and diode rectifier circuits
✓ Power converter sections in control cabinets
✓ Variable frequency drive input protection
✓ Battery charger and excitation rectifiers
Technical Support
Prota Marine provides technical support, repair and onboard installation for the Protistor fuse and the wider marine control system. Our engineers help with fault diagnosis when a fuse opens repeatedly and give commissioning support when the protected circuit returns to service.
