The Copeland 940-C411-79 is a high-duty 30A 277V Relay designed for heavy-duty switching in commercial HVACR and industrial control systems

Durable Construction: Built to endure the thermal stresses and corrosive byproducts of solid fuel combustion

a secondary wire harness

Featuring a precision-machined 5/16-inch diameter and a versatile 48-inch length

Ranco O16-261 Pressure Control Refrigerant The Copeland 940-C411-79 is aThe Ranco O16 261 Pressure Control is a professional grade single function low pressure switch engineered for high stakes commercial HVACR environments. This SPDT pressure control provides a critical safety layer for compressors, featuring a manual reset mechanism that prevents equipment from cycling under fault conditions until a technician inspects the system. With a functional pressure range of 10" Hg to 100 psi and an adjustable 10 psi