The ML6420A / ML6425A,B actuators enable floating control, and are suitable for use in conjunction with ON/OFF or floating single-pole, double-throw (SPDT) control outputs. They can operate Honeywell’s standard valves in heating, ventilation, and air conditioning (HVAC) applications.

FEATURES ▪ Quick and easy installation ▪ No separate linkage required ▪ No adjustments ▪ Low power consumption ▪ Force-limiting end switches ▪ Spring-return models ▪ Manual operator ▪ Models for low and line voltage ▪ Synchronous motor ▪ Corrosion-resistant design ▪ Maintenance-free ▪ Actuator-valve combinations approved according to DIN 14597 available

SPECIFICATIONS

Temperature Limits
Ambient operating limits	-10...+50 °C at 5...95% RH
Ambient storage limits	-40...+70 °C at 5...95% RH
Medium valve temperature	see section ''Models'' on pg. 2; 220 °C with High-Temperature Kit
Protection
Protection standard	IP54 per DIN 40050
Insulation	Class II per DIN EN60730
Flame retardant as per	UL 94-V0 (with metal cable gland – not supplied)
Operating mode	Type 2B as per EN 60730-1
Wiring
Wiring terminals	1.5 mm2
Cable entry	M20x1.5 and two additional knock-outs M16x1.5 and M20x1.5
Weight
Non-spring return type	1.3 kg
Spring return type	2.4 kg