Actual size: 329*329*3mm effective print size: 300*300Mointing holes 2mm off edge, countersunk.hole for thermistor in center is troughThis plate is intended for 24V (will work with 12V just not quick enough (and not hot enough))Resistance around 1.5 ohm https://elecena.pl/product/17485501/24v-400w-mk2a-heatbed-300x300 2021-03-29 https://elecena.pl/product/17485501/24v-400w-mk2a-heatbed-300x300 2025-10-29