TSR10 is a safety relay/safety timer with delayable relay outputs, 3 NO+ 1 NC, and a +24 VDC power supply.TSR10 offers 0-999 seconds timer functions with a better accuracy than 1%: OFF-delay, ON-delay, Time bypass and Time reset.A display on its front facilitate configuration and troubleshooting by displaying error codes and error log. A custom configuration can be protected by password. Automatic reset function only.