The Selec TC303CX is a temperature controller designed for industrial applications. Here are the key specifications: Input Range: It can measure temperatures from 1°C to 400°C. Output Type: The controller uses a relay output. Control Method: It operates in an On/Off control mode. Display: The 3-digit LED display shows temperature readings in white characters. Voltage Range: It works with a supply voltage of 90V to 270V AC/DC. Mounting: The TC303CX is designed for panel mounting with a square cutout of 92.00mm x 92.00mm. Termination Style: It features screw terminals for easy wiring. Operating Temperature: The controller operates in a temperature range of 0°C to 50°C. This versatile temperature controller is suitable for various applications, including process control and temperature regulation.