“Low temperature” is a term of art. “Low Voltage” is often defined as up to 1000 VAC or 1500 VDC, with voltgaes about that being used for power transmission.
From webpage ... uniform reaction that maintains peak temperatures below the levels in which NOx forms (1500ADEGC). ... This is in contrast to the burning of a fuel with a flame.
https://www.mainspringenergy.com/technology/
—”Low temperature” is a term of art. “
Reading around, ~500 C is mentioned (~932 F) for this process.