Edwards 620 06/03 The OSI-RI-SK detector is a

The OSI-RI-SK detector is a combined transmitter/receiver and is compatible with Silent Knight Addressable Fire Alarm Control Panels

while the photo element can be programmed as alarm or supervisory

NOTE: Replaces ADBH-11

Models for 25 VRMS and 70 VRMS audio circuits are available

The VESDA Wall-Mounted Open Protocol High Level Interface (HLI) links your VESDAnet1 with PC software monitoring tools

Edwards 620 06/03 The OSI-RI-SK detector is aThe Edwards 620 is a low voltage, non illuminated pushbutton switch designed for panel mounting. It has a diameter of 16 mm (5 8") and a depth of 19 mm (3 4"). The button is momentary action with normally open (1NO) contacts and is suitable for use in industrial and commercial applications requiring long life.