SP1590 Celab Fan Speed Controller ■ Compact enclosure with universal fixing options. ■ Capable of controlling up to 150 watts of cooling fan load through a total of six controlled fan outlets. ■ Single dual function thermistor sensor to detect normal ambient and over temperature levels. ■ Fan failure detection facility. ■ Factory adjustable characteristic to cover a wide range of applications. Specification Input Voltage 42-47 VDC Output Voltage Range <20V - 56V DC (link provided to limit to 48VDC) Temperature Control Range 20°C - 40°C (20°C - fan stopped / 40°C - fan full speed) Output Current Rating 3A Efficiency 90% Protection Features Short circuit protected Manual Fan Test Button Operates fans at full speed Common Alarm operation Open and closed relay contact options Thermistor sensor open circuit (Fans default to full speed operation) Ambient over temperature (Factory set) Fan failure (Available on all fan outlets) Input supply failure Operating temperature -20°C to +60°C ambient Cooling Natural convection Electrical Connections Via screw terminal strip. (Refer to installation guide) Enclosure Dimensions 160mm x 80mm x 53mm (Including mounting bracket) Celab Part Number SP1590 ■ The SP1590 series is designed to vary fan speed proportional to ambient temperatures ■ With optimum fan control the SP1590 can reduce unnecessary fan noise, energy consumption and increased operational fan life. Murata Power Solutions (Celab) Ltd, 25 Woolmer Way, Bordon, Hampshire, GU35 9QE www.murata-ps.com/celab Tel: +44 (0) 1420 477011 Fax: +44 (0)1420 487476