What is the purpose of the right-hand pilot tap

vibration-resistant wiring for the service technician

Built with standard 1/2" NPT inlet and outlet ports

It allows the technician to wire a high-limit security circuit directly into the pilot safety loop

Self-Cleaning Contacts: The wiper-action slider bar mitigates carbon build-up and surface contaminants

Schneider Electric (Barber Colman) M400A-VB Actuator Els PW 17895 What is the purpose ofThe Schneider Electric (Barber Colman) M400A VB is a non spring return Forta globe valve actuator engineered for precise linear control in demanding HVACR applications. Operating on 24V AC DC power, this versatile unit supports both floating and proportional control signals, including 0 10Vdc, 2 10Vdc, and 4 20mA (utilizing the included 500 Ohm resistor). With a robust 90 lbf (400 N) force output, it is specifically designed for direct mounting to VB