Carlo Gavazzi DAA51 Multi-Voltage Delay-On Operate Timer with 7 selectable time ranges within 0.1 s and 100 hours and suitable for mounting on DIN rail. Housing 17.5mm wide for SPDT version, suitable both for back and front panel mounting. LED indication for relay status and power supply ON and ?0.2% repeatability. It is suitable for use with automation/process control, clock and timing applications.