Siemens TRI-D SF 02/03 The Commander2 Series also features

The Commander2 Series also features the patented Checkmate® Instant Voltage Verification feature which allows the installer to check the voltage drop draw and match it to the blueprint

All boxes are provided with convenient combination 1/2 inch and 3/4 inch conduit knockouts on the top

Protruding no more than one inch from the wall

These thermal detectors provide effective

thermal stress

Siemens TRI-D SF 02/03 The Commander2 Series also featuresModel TRI D is a dual input module that is designed to supervise and monitor two (2) sets of dry contacts. Model TRI D requires two (2) address settings. Model TRI D is ideal for monitoring a waterflow switch and its respective valve tamper switch.