The PID500-2-0-04-CU from Altech is DIN rail mount temperature controller with 1°C to 400°C, 0 to 20mA, -0.005 to 10V input and 4-20mA / 2 relay outputs. This controller has 4 + 4 digits, 7 segment LED dual display, RS-485 communication and 85 to 270VAC/DC supply voltage range. Square panel cutout with dimensions: 45.00mm x 45.00mm. Operating temperature range is from 0°C to 50°C.