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Common Questions What is the maximum current draw on the 24V side
making it ideal for standard temperature regulation where cycle timing must remain consistent
A reset may only temporarily clear the error
specifically superseding part numbers 62-23556-01 and 62-23556-02
and complex delivery systems
Schneider Electric (Barber Colman) MK-3121 Actuator 30067439-890 Common Questions What is theOptimize your pneumatic control systems with the Schneider Electric MK 3121 Actuator, a precision engineered proportional pneumatic damper actuator designed for the professional HVACR contractor. This rugged unit features a 8 to 13 PSI spring range and a versatile 2 to 4 inch adjustable stroke, allowing for exact field calibration in air handling units, mixing boxes, and VAV systems. The MK 3121 is the primary direct replacement for legacy models MK
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