Mitsubishi Electric M21ECC424 Board 318423-701 Concealed Calibration: The internal screwdriver

Concealed Calibration: The internal screwdriver slot range adjuster prevents accidental setpoint shifts in high-traffic commercial areas

Operating at 120/240V 1-Phase power

or baseboard heat logic integration

It features double-sealed ball bearings and high-grade insulation to withstand the high-static pressure environments typical of classroom HVAC systems and telecommunication shelters

The clockwise (CW) rotation and single set-screw hub layout ensure a secure mechanical connection to the direct-drive motor shaft

Mitsubishi Electric M21ECC424 Board 318423-701 Concealed Calibration: The internal screwdriverThe Mitsubishi Electric M21ECC424 noise filter board is an OEM electrical suppression component designed to stabilize HVACR system performance by reducing electromagnetic interference and electrical noise within Mitsubishi inverter driven equipment. This EMI filter board plays a critical role in protecting sensitive control circuitry, ensuring clean power delivery between incoming supply lines and the main control system. Commonly used in Mitsubishi