Voltage: 20÷30VDC. Power supply output: 4x0,5Amp. Number of inputs/outputs: 2/4. Protections: SCP*. Technical outputs – relay: PSU – indication of fuse activation. LED indication. Mounting options: tapping screws x 2. Dimensions: L=150 W=52,5 H=27 [+/-2mm]. Notes: replacement fuses: F0,5Ax2 included, dedicated for power supplies of EN54C / EN54M.