Short-circuit proof, „intrinsically safe“1 resistor in anodised aluminium case, protection class IP20, for operation on inverters (braking transistors).
Contact
Michael Koch GmbH
Phone: +49 7251 96 26-200
Parameter | Symbol | Value | Unit | Conditions |
---|---|---|---|---|
Tolerance (resistance) | ± 5 | % | Room temperature | |
Insulation resistance | RISO | ≥ 100 | MΩ | Umess = 1,000 VDC |
Inductance | L | ≤ 30 | µH | f = 300 kHz, Umess = 50 mV |
Capacity against enclosure | C | ≤ 500 | pF | f = 300 kHz, Umess = 50 mV |
Thermal time constant | 𝜏 | approx. 400 | s | Enclosure AWD125xxx |
Weight | m | 100 | g | |
Energy absorption | Q | 1,1 | kJ | with 1.2 s (1% duty cycle) |
2,15 | kJ | with 7.2 s (6% duty cycle) | ||
Maximum permissible operating voltage | UB | ≤ 60 AC | V | Taking into consideration the „intrinsic safety“ |
UB | ≤ 85 DC | V | Taking into consideration the „intrinsic safety“ | Isolation voltage | Uiso | ≥ 2,500 AC | V | f = 50 Hz; t = 1 s |
Max. permissible case temp. | ϑc | ≤ 220 | °C | unobstructed convection |
Storage temperature | ϑs | -25 … +85 | °C | unobstructed convection |
Dimensions and mounting holes (mm)