dry air supply

making it ideal for high-output commercial water heater protection

it features silver-cadmium oxide contacts to maintain low contact resistance and prevent pitting during high-cycle operations

Normally Open (SPNO) configuration

Stepping down in horsepower will lead to premature winding failure and insufficient CFM across the coil

Johnson Controls C450YNN-1 Power Module 318518-761 dry air supplyThe Johnson Controls C450YNN 1 Power Module is the primary power supply component for System 450 module assemblies, designed to deliver 24 VAC to downstream control modules. Engineered for versatile field installation, this module features dual voltage input terminals for 120 Vac or 240 Vac supply power at 50 60 Hz. Built with a rugged Lexan 950 enclosure, it is suitable for DIN rail mounting or direct surface attachment. The C450YNN 1, which is