Display unit IT151AE Part no.: 420187 display unit for devices of the IT151 / IT251 families DIN rail housing 86 mm (L) x 35 mm (W) x 58 mm (H) 26 LEDs showing the input and output states of the IT151 / IT251 control and power supply via the IT151 / IT251 extension bus Pricelist (German) Part no.: 420187 display unit for devices of the IT151 / IT251 families DIN rail housing 86 mm (L) x 35 mm (W) x 58 mm (H) 26 LEDs showing the input and output states of the IT151 / IT251 control and power supply via the IT151 / IT251 extension bus Pricelist (German)