Siemens Industrial Controls 3TX7131-4DC13 Relay 326070-701 With a maximum pressure rating

With a maximum pressure rating of 0

heating-cooling changeover

With a fully adjustable superheat range from 0 to 80 psig and a 40 psig factory setting

this RH duct sensor provides stable signal output for accurate environmental control in air handling units and ductwork installations

Ensure your wiring harness and transformer (minimum 40 VA) are correctly sized for the total system load

Siemens Industrial Controls 3TX7131-4DC13 Relay 326070-701 With a maximum pressure ratingThe Siemens 3TX7131 4DC13 is a heavy duty, enclosed SIRIUS power relay designed for high amperage switching in industrial and HVACR environments. This 24V DPDT 30A panel mount relay features a Double Pole Double Throw contact configuration, supporting up to 30A resistive loads at 24V AC. Built for versatility in the field, it supports multiple mounting configurations including 35mm DIN rail and surface panel mounting using the integrated top flange.