Emerson Electronic Fan Speed Controller Series FSY-41X,FSY-42S and FSY-43S Features
• Pressure actuated fan speed control
• Adjustable pressure for Cut-off
• High Voltage Triac (800 Volts)
• Integrated protection circuit against voltage
peaks
• Compact design
• Protection IP65
• Easy mounting and adjustment
• Easy retrofit in existing plants
• No additional gasket required (completely
molded into plug)
• Multi-position plug with EMC filter incl. 1,5m
(opt. 3 and 6m) cable for flexible installation
• per EC 89/336/EC (together with FSF cable)
Emerson Electronic Fan Speed Controller Series FSY-41X,FSY-42S and FSY-43S Selection Table
Type Part No. Operational Adjustment Factory Max. Operating Test Pressure Connection
Current Range Setting Pressure PS Pressure PT
A bar bar bar bar
FSY-41S 0 715 533 4.0 ... 12.5 8.0 27 30 S: 7 / 16 ”-20 UNF female
FSY-42S 0 715 534 S: 7 / 16 ”-20 UNF female
FSY-42U 0 715 535 9.2 ... 21.2 15.0 32 36 U: 6mm - ODF
FSY-42X 0 715 536 0.1 ... 4 X: ¼“ - ODF
FSY-43S 0 715 537 S: 7 / 16 ”-20 UNF female
FSY-43U 0 715 538 12.4 ... 28.4 21.8 43 48 U: 6mm - ODF
FSY-43X 0 715 539 X: ¼“ - ODF
