Nidac Forge Series Timer Module With 14 Modes, 5Amp Relay OnboardNidac FORGE CT1 Timer With 5Amp Relay Onboard And 14 Modes The CT1 timer can be used for holding doors open for an extended duration or other applications beyond the sphere of access control 4 Selectable Timing Ranges: 1 to 255 seconds in 1 second increments 10 to 2550 seconds (42 minutes) in 10 second increments 1 to 255 minutes (4 hours, 15 minutes) in 1 minute increments 1 to 255 hours (10 days, 15 hours) in 1 hour incremen Accurate DIP switch