On - Load Switchfuses
The F&G on-load switchfuses have ratings up to 63A 400Vac or 440Vac, available in 1 to 3 poles. They complied to the standards of DIN-VDE 0660, 0636, 0638, IEC 269, 947 and VB G4. The switchfuse is guaranteed off-load when changing fuselinks, because the fuse component is automatically isolated by switch disconnector. All exposed conductive parts and outgoing terminals are de-energised. The incoming cables can be from the top or from the bottom. The screw cap has been ergonomically designed with safety and ease of operation. The internal spring-operated mechanism allows safe connection to an existing short-circuit up to 50kA.
- Nominal voltage ratings: 1-pole 230/400Vac multipole 400Vac
- Nominal current ratings: 2 Amps to 63 Amps
- NEOZED fuse links with retaining spring: DO 2 / DO 1
- Enclosure: moulded material, RAL 7035-light grey
- Terminals size: 25mm2
- Power loss per pole: 5.5W
- Utilisation category: AC 22
- Power factor: 0.65
- Mechanical service life: 10,000
- Nominal insulation voltage: 440Vac
- Rated short circuit making current: 50kA
- D.C. making and breaking capacity
- Utilisation category: DC22
- Rated current: 63A
- Max. d.c. voltage per pole: 65V three poles in series -195VDC
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