BWx
BWx375
Short-circuit proof, „intrinsically safe“ resistor for use in inverters (brake transistors) in an aluminum case, IP65* protection class.
Spotlight
Rated power
70 (150 with forced cooling)
Resistance
90
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 | 70 [W] (150 with forced cooling) |
| Resistance | 90 [Ω] |
| Tolerance (resistance) | ± 5 [%] (Room temperature) |
| Maximum permissible operating voltage (Taking into consideration the "intrinsic safety") | ≤ 700 AC [V] ≤ 1.000 DC [V] |
| Maximum permissible operating voltage (Taking into consideration according to UL) | ≤ 600 AC [V] ≤ 848 DC [V] |
| Energy absorption | 3.600 [J] (with 1.2 s (1% duty cycle)) |
| Energy absorption | 5.000 [J] (with 7.2 s (6% duty cycle)) |
| Inductance | ≤ 30 (f = 300 kHz, Umess = 50 mV) |
| Weight | 0,260 [kg] |
Dimensions and mounting holes (mm)
Dimensions 
Dimensions
Pulse loading capacity Brake resistor BWx375
Case temperature Brake resistor BWx375
BWD375 
BWS375 
BWS375 with customer specific connector