Edwards 1800707 SF 11/12 The GSA-IM Isolator Module is

The GSA-IM Isolator Module is an addressable device that protects a signaling line circuit (SLC) from a wire-to-wire short

i3 heads plug into the base with a simple Stop-Drop 'N Lock action

24V Indoor

The other bases in this family are 12 V or 24 V bases for four‐wire loops

All commercial buildings use manual stations

Edwards 1800707 SF 11/12 The GSA-IM Isolator Module isThe Edwards 1800707 is a replacement smoke detector base designed for use with Edwards and EST fire alarm systems. It serves as the mounting platform for compatible smoke detectors, providing electrical connections and mechanical support. This base is essential for ensuring the proper installation and functionality of smoke detection devices within the fire alarm system.