High Power Finned Aluminium Housed Resistor (PHBR) Power Rating from 315W to 1700W Finned Compact Heatsink (90x60mm) High Overload Capability (Max 105KJ) Excellent Design for Forced Air Cooling https://peccomponents.com/product/39-high-power-finned-aluminium-housed-resistor-phbr?search=