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KDS Brushless Motor (BL4725-540KV)

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  • KDS Brushless Motor (BL4725-540KV)
  • KDS Brushless Motor (BL4725-540KV)
  • KDS Brushless Motor (BL4725-540KV)
  • KDS Brushless Motor (BL4725-540KV)
  • KDS Brushless Motor (BL4725-540KV)




This is BL 4725-540KV motor from KDS model. Elegant appearance and unique cooling design structure for the powerful cooling airflow. The latest 0.2mm imported silicon steel sheet with a high performance aluminum iron boron magnetic material N45SH as the stator core and winded with EIW(h)220' wire. 200'c high temperature resistant glue are used to fix the inverted tooth fixed magnet to give maximum holding strength of the magnet for high powered operation or external impact. An imported NSK dual cover ball bearing for the smoothness motor result, with special processing technologies using high performance materials, this motor will give you more power for the satisfaction for all types of flying.


Item Name:BL 4725-540KV


KV value :540KV


Poles :10P


Stator diameter:47mm


Thickness of lamination:25mm


Number of slots:12


Coil number:6 Turn Delta


No load(IO/20V) current:3.8A


Resistance:0.012 Ω


Max current:100 A


Max continuous power:4500W


Outer diameter:57.4mm


Extend shaft diameter: 6.0mm


Shaft length:100mm


Motor length:57.8mm


Operation temperature : ≤130 °C


Max temperature : ≤180


Suitable ESC : ≥100A


Battery range :5-12S