PTIO 1.5/S Series is 3.5 mm wide with a new top-level location for power wiring. The terminal blocks offer high-density power distribution for field sensors and actuators. The compact double-level terminals are available in three-wire and four-wire versions. The upper level is for signal feed-through and is available with or without an LED. Continuous bridge shafts allow a quick and simple potential distribution of power using push-in bridges