The Johnson Controls A19ABC-40 is a versatile single-stage temperature control engineered for high-precision switching in commercial refrigeration

maintaining the intended electrical impedance and circuit protection characteristics of the original system design

and high-grade elastomers

providing excellent thermal conductivity and seamless solderability for leak-free installations

crucial for ice machine applications and multi-stage compressor protection

Johnson Controls F262KDH-01C Airflow Switch 30067439-890 The Johnson Controls A19ABC-40 isThe Johnson Controls F262KDH 01C Airflow Switch is a heavy duty SPDT snap acting PENN switch designed for critical monitoring of air velocity within commercial ductwork. Engineered to detect the presence or absence of airflow, this unit is a vital interlock for make up air systems, exhaust ventilation, and heating cooling processes to prevent coil icing or equipment overheating. Supporting a wide voltage range of 24 Vac to 240 Vac and a maximum air