Description

The ML7420A actuators are designed for modulating control with controllers providing an analog output of 2…10 Vdc. They operate Honeywell’s standard valves in heating, ventilation, and air conditioning (HVAC) applications. Description FEATURES • Easy and quick installation • No separate linkage and adjustments required • Low power consumption and maintenance-free • Self-adaption function • Force-limiting end stops • Manual operation knob • 0(2)~10 Vdc input and 2~10 Vdc position feedback signal • Direct/ Reverse action adjustable • Stroke position on signal failure selectable • Corrosion-resistant design SPECIFICATIONS Temperature Limits Ambient operating limits -10~+50 ℃ at 5~95% r.h. Ambient storage limits -40…+70 °C at 5…95% r.h. Medium temperature Max. 150 °C (220 °C with High-Temperature kit) Signals Signal input voltage y=0~10 Vdc or 2~10 Vdc Ri=100 KΩ Signal source 1 KΩ max. Position feedback signal x=2~10Vdc(fully extended) Load 1 mA max. Safety Protection class III as per EN60730-1 Protection standard IP54 as per EN60529 Flame retardant housing V0 as per UL94 (with metal cable gland) Material Cover ABS-FR Base glass fiber reinforced plastic Yoke aluminum diecast