The Visualcompact Fu series is a range of switch disconnectors fuse with fuse holders of T80, T110* and BK50 type. The use of this series allows making and breaking operations under load and safety disconnection. With suitable fuses, it allows the protection of power electronic devices (semiconductors, rectifiers, inverters etc.).
TECHNICAL NOTES
BK50, T/80 and T/110 DIN 43653 types of fuses represent the best technical combination between Visualcompact Fu switches and ultra rapid fuses.
For other types of combinations or higher current please contact us.
* Fuse T110 on demande.
NORMAL SERVICE, MOUNTING AND TRANSPORT CONDITIONS
• storage and transport ambient temperature - 25°C + 55°C
• working ambient temperature - 20°C + 45°C
• in case of higher ambient temperature (ta) consider the following derating formula:
• relative humidity max 95%
• rated frequency 50-60Hz
• altitude max 2000 m a.s.l.
• pollution degree 3 according IEC 947-1
• can be mounted in any position
• mounting in enclosure: in case of utilisation at full load and without adequate ventilation, ensure a volume of about 5 times the volume of the switch
• duty (IEC 947-1): 8 hours; uninterrupted: intermittent 60% class 30; temporary; periodic
For other operating conditions contact the manufacturer.
