Simplex 4006-9802 Expansion IDC Module

Simplex 4006-9802 Expansion IDC Module; Five Class B IDCs are each capable of supporting up to 30 Simplex current-limited smoke detectors or electronic heat detectors as well as manual stations and other compatible contact closure initiating devices. IDCs are capable of Class A operation with an optional adapter module and can be programmed as Style C (short or open initiates a trouble) for use with current limited devices only.