The switch disconnectors VISUALCOMPACT FBA are three or four poles manually operated and are switches supplied with a remote tripping device by means of a current shot coil.
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
• 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): eight-hour;
• uninterrupted: intermittent 60% class 30;
• temporary; periodic
For other operating conditions contact the manufacturer.
