Input/output extension for the control relays of the easyE4 series with a rated operating voltage of 12 VDC, 24 VDC or 24 VAC. This extension provides 4 digital inputs for 12 VDC, 24 VDC or 24 VAC and 4 relay outputs for 12 - 250 VAC or 12-220 VDC. The connections are made using push-in terminals. The connection to the control relay or another extension of the easyE4 series is made using the EASY-E4-CONNECT1 connector (item 197225) which is included in the scope of delivery.