The transformers are affected to supply voltage to the devices that require an AC power supply isolated from the 230 VAC mains. At the output we obtain the AC voltage: 24V, 27V or 33V. The transformer has protection: (1) fuse protection in the power circuit (T 1Amp / 250V), (2) overload in the form of a 130° C thermal fuse. Designed to operate in sections of power alarm systems . Supply voltage: V DC230V AC. Output voltage: 24, 27, 33V. Power: 100VA. Dimensions: 110 x 52 mm. Operating temperature: -10 ... + 40° C.