Siemens Industrial Controls MT0250C Transformer R-22 this NTC thermistor (Negative Temperature

this NTC thermistor (Negative Temperature Coefficient) is engineered to provide high-accuracy thermal feedback to the HVAC control board

the Emerson Alco 053317 is designed for compatibility with both R22 and R407C

finger-safe terminal blocks with deep barriers to prevent cross-phase shorting from frayed leads

This dual-window thermostat cover provides critical protection for sensitive controls against unauthorized tampering

Siemens Industrial Controls MT0250C Transformer R-22 this NTC thermistor (Negative TemperatureThe Siemens MT0250C Industrial Control Transformer is a heavy duty, 250VA rated solution engineered for the rigors of industrial automation and HVACR control circuits. Designed as a 120x240V to 24V step down transformer, this unit features a silicon steel laminated core and high grade copper magnet wire to provide maximum electrical efficiency while minimizing core losses. As a Class MT control power transformer, it integrates epoxy encapsulated coils