AB91-1 HESG437479R1 HESG437899 ABB protection module
AB91-1 HESG437479R1 HESG437899 ABB protection module Product Description AB91-1 HESG437479R1 and HESG437899 are analog modules produced by ABB,mainly used in industrial automation systems to process and transmit analog signals such as temperature,pressure,flow rate,etc. Product parameters Input power supply:24V DC power supply(19.2-30V),can be SD831/SD832/SD833/SD834 power supply,battery or other IEC664 installed Class II power supply. Power status…