Power Supply Type AC36W is an intrinsically safe power supply that has a nominal output voltage of 12 volts DC and an output current of up to 3A or 16V DC and an output current of up to 1A. The AC36W is an active power supply. The type AC36W is suitable for use in Group I and IIB applications. The AC36W power supply may be used to power intrinsically safe apparatus located in zone 0, 1 or 2.