HART Transmitter Power Supply LB3106A, Occupied slots, LB (Zone 2, Class I/Div. 2), 4-channel, Inputs Ex ia, Mounting in Zone 2, Class I/Div.2 or in the safe area, Power supply for 2-wire transmitters with 4 mA ... 20 mA, Supply circuit 15 V (20 mA), HART communication via field bus or service bus, Simulation mode for service operations (forcing)