Standalone aerosol fire extinguishing units with a thermal starter from the DSPA 12 series (DSPA 12-1, 12-2, 12-3, 12-4, 12-5) are intended to control and extinguish fires of flammable and combustible liquids, solid fuels and electrical equipment, including energized ones. The DSPA 12-1, 12-2, 12-3, 12-4 are also available with an electrical starter that can be connected to a control module.