Rexnord-Stephan S4 Catalogue

04-2007 3P0200-XX7. Technical Appendix7.3.24 Motors with forced ventilationWith inverter operation or high operating frequency, the use of a separately-driven fan is frequently required. A fandriven by a separate motor ensures an effective cooling independent of the motor speed.External fans are available for all motor sizes (option). The following voltage ranges are covered in the standarddesign:SizeSupply voltage50 Hz 60 Hz63 - 132 1 x 230 - 277 V 1 x 230 - 277 V3 x 220 - 290 V 3 x 220 - 330 V3 x 380 - 500 V 3 x 380 - 575 V160 - 200 1 x 230 - 277 V3 x 220 - 290 V 3 x 220 - 330 V3 x 380 - 500 V 3 x 380 - 575 V225 - 280 Upon requestAll motors with external fan must be equipped with thermistors.Increase of construction length due to external fan:Motor )kSizemm63 10771 10780 10790 117100 117112 117132 127160 127180 150200 150225 - 280 Upon requestT36