The IDEC SA1U-B02M is a versatile background suppression switch with a 2m sensing range and the capability to handle various sensing methods including through beam, polarized retro-reflective, diffuse, and background suppression. It boasts an extensive sensing range of up to 50m and features an adjustable time delay from 0.1 to 5 seconds for tailored operation. Designed with interference prevention, this switch can be installed alongside another unit without signal disruption. Additionally, its spring-up terminal block structure simplifies wiring processes, enhancing installation efficiency.