Description
The United Electric J400K-456 is a single-pole double-throw (SPDT) pressure switch engineered for dependable pressure monitoring and control across a wide range of HVAC, industrial, and mechanical system applications. With a 0–20 PSI operating range and a rugged NEMA 4X enclosure rating, this switch is built to perform reliably in demanding environments where moisture, dust, and corrosion are concerns.
Key Features
- 0–20 PSI pressure range for precise low-pressure monitoring and control
- SPDT (Single-Pole Double-Throw) switching action for versatile circuit configurations
- NEMA 4X rated enclosure — provides protection against windblown dust, rain, splashing water, hose-directed water, and corrosion
- Suitable for indoor and outdoor installations in harsh or wet environments
- Compact, durable construction for long service life
- Ideal for use in HVAC systems, boiler controls, compressor monitoring, and industrial process applications
Product Specifications
- Brand: United Electric
- Model / SKU: J400K-456
- Pressure Range: 0–20 PSI
- Switch Type: SPDT (Single-Pole Double-Throw)
- Enclosure Rating: NEMA 4X
Why Choose the United Electric J400K-456?
United Electric has a long-standing reputation for manufacturing high-quality pressure and temperature switches trusted by HVAC professionals and industrial engineers alike. The J400K-456 combines a proven switching mechanism with a weatherproof NEMA 4X housing, making it an excellent choice for installations that demand both accuracy and durability. Whether you’re protecting compressors, monitoring system pressure, or integrating into a building automation sequence, this switch delivers the reliability your application requires.
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