X-ray spectra of SRGA J043520.9+552226 obtained in March-April 2020. The spectrum at the discovery is shown in black (eROSITA) and cyan (ART-XC) and is scaled down by a factor of two for clarity. The spectrum of the first NuSTAR observation is shown by green and red points (NuSTAR A and B mirror modules, respectively). The blue points correspond to Swift/XRTdata. The solid black line shows the best-fit model for the NuSTAR + Swift/XRT observation, and the dashed black line indicates a Fe K_α line contribution. The dashed red line corresponds to the best-fit model for the SRG observation.