An example of a suitable radar power supply would be:
Relec Part Number: AMR5-24
24V Stabilised Power Supply
Input 90-240V AC
Output 24V / 4A DC.
Dimensions: 57mm x 90mm x 91mm
Operational range -40 to 70C
Snaps to DIN rail EN 60715 35x7
To maintain compliance to the applicable EU Low Voltage Directive Electrical Safety standards:
The PSU selected should not exceed 100W, or
As part of the installation, the PSU output should be fused to less than 100W