Application: Monitoring of rotational or linear movements for adherence to a maximum setpoint (overspeed) Ambient temperature: -40...55, observe the free space for convection (see operating instructions) °C Protection: IP 20 Housing materials: PA (polyamide) Shortcode: Safety speed monitor wind Display: Voltage: green , Release: yellow , Configuration: blue , Fault: Red , Switching status: 2x green , Input pulses: 2x yellow Product Name: DD111S SKU P1P3D19FBCAG3R Operating voltage: 19.2...28.8 V DC Electrical design: Relay Nominal voltage: 24 DC V Connection: screw terminals Output function: 2 safety-related switching outputs (floating contacts), 1 fault output "Fault" (positive switching), 1 diagnostic output "Overspeed" (positive switching)