The SSAC TIS24B23B is a digital time switch designed to provide precise, accurate time control. It features 24 x 24 size terminals, a 0 to 60 VAC or DC input, an operating temperature range of -40° to 75°C, and an IP20 rating for protection against dust, dirt, and debris. The TIS24B23B has two adjustable modes for controlling and scheduling the on/off operations, as well as a 245 minute timer. It is suitable for use in a variety of commercial, industrial, and residential applications.