For contractors performing fire-life safety retrofits or maintenance

it is best used in its intended 3-pole application to break all power legs simultaneously

ensuring stable superheat and preventing hunting during varying ambient conditions

The single-pole configuration includes a shunt to maintain continuity across the neutral or power leg while breaking the primary circuit

preventing the burnout often seen during high-ambient summer peaks or frequent cycling

Schneider Electric (Barber Colman) MA-5213 Actuator Refrigerant For contractors performing fire-life safetyThe Schneider Electric (Barber Colman) MA 5213 is a heavy duty two position hydraulic actuator engineered for precise control of globe valves and dampers in commercial HVACR systems. Operating on a 24V power supply with an 18VA 14W input, this unit utilizes an oil immersed motor and pump to deliver consistent force for fail safe operations. Designed as a two wire SPST controlled device, the MA 5213 features a 15 second spring return mechanism that