Durable Construction: Heavy-duty metal duct sampling tube prevents vibration-induced fatigue in high-velocity airflow environments

minimizing contact pitting and preventing premature failure in inductive load applications

offering superior durability over older silicon carbide versions

the EPDM seals are specialized for water and steam

or -003 adapter kits respectively

Schneider Electric (Barber Colman) 2390-505 Switch Freon Durable Construction: Heavy-duty metal ductThe Schneider Electric (Barber Colman) 2390 505 is a professional grade minimum position switch engineered specifically for technical pneumatic control systems. Designed with an internal high pressure selector relay, this unit is the standard for maintaining code required minimum outside air (OA) levels in HVAC damper control applications. It delivers a precise 5 psig span output, making it ideal for managing proportional pneumatic actuators that