BWx250

BWx250
BWx
BWx250

Short-circuit proof, „intrinsically safe“ resistor for use in inverters (brake transistors) in an anodized aluminum case, IP65* protection class.

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REACH Logo
UL Recognized Component Logo

Contact

Michael Koch GmbH
Phone: +49 7251 96 26-200
Fax: +49 7251 96 26-210
Technical specifications
Dimensions
Pulse loading capacity
Case temperature
Versions
Downloads
Rated power 100 [Watt] (250 with duty cycle ED = 35%, ϑA = 20°C)
Resistance 3 [Ohm] 10 [Ohm] 24 [Ohm] 27 [Ohm] 33 [Ohm] 47 [Ohm] 72 [Ohm] 100 [Ohm] 150 [Ohm] 200 [Ohm] 220 [Ohm] 330 [Ohm] 390 [Ohm] 430 [Ohm] 620 [Ohm] 830 [Ohm]
Tolerance (resistance) ± 5 [%] (Room temperature)
Maximum permissible operating voltage (Taking into consideration the "intrinsic safety") 700 AC [Volt] 1.000 DC [Volt]
Maximum permissible operating voltage (Taking into consideration according to cCSAus and UL) 600 AC [Volt] 848 DC [Volt]
Energy absorption 4.000 [Joule] (with 1.2 s (1% duty cycle))
Energy absorption 8.000 [Joule] (with 7.2 s (6% duty cycle))
Inductance 30 (f = 300 kHz, Umess = 50 mV)
Weight 0,280 [kg]

Dimensions and mounting holes (mm)

  • Dimensions BWx250
    Dimensions BWx250
  • Dimensions BWx250
    Dimensions BWx250
  • Pulse loading capacity Brake resistor BWx250
    Pulse loading capacity Brake resistor BWx250
  • Case temperature Brake resistor BWx250
    Case temperature Brake resistor BWx250
  • BWD250
    BWD250
  • BWG250
    BWG250
  • BWS250
    BWS250
  • BWT250 without CSA and UL approval
    BWT250 without CSA and UL approval