J21K-357 | 0/70# SPDT NEMA 4 Diff # Swtch | United Electric

**NCO-J21K-357 United Electric SPDT NEMA 4 Differential Pressure Switch** The United Electric J21K-357 pressure switch is a 0/70# SPDT NEMA 4 differential pressure switch designed for industrial applications requiring reliable and accurate pressure monitoring. Constructed with durable materials, it withstands harsh environments and ensures long-term performance. With a single-pole, double-throw (SPDT) configuration, the switch provides versatility in controlling electrical circuits based on pressure variations. Its NEMA 4 rating indicates its ability to operate in wet or dusty environments, making it suitable for demanding industrial settings. The differential pressure range of 0-70 pounds per square inch (PSI) enables precise control and monitoring of pressure systems. This switch is commonly used in applications such as compressors, pumps, and process control systems where accurate pressure regulation is critical. Our HVAC supply store is your trusted source for NCO-J21K-357 pressure switches and other industrial components. We offer competitive prices and fast shipping to ensure your equipment stays up and running. Order today and experience the exceptional quality and reliability of United Electric products!