The Honeywell L404F1078 delivers operational control with automatic limit protection for pressure systems up to 300 psi (2068 kPa). Ideal for use with steam, air, noncombustible gases, or fluids that are non-corrosive to the pressure-sensing element. These models feature snap-acting switching to open or close a circuit on pressure rise, with adjustable differentials modified by screws on the top of the case. Mounting options include 1/4″ to 18″ NPT internal pipe threads or surface mount through the base of the case.
Features
- Application: Provide control of steam, air, non-combustible gases or non-corrosive fluids
- Operating Range: 5 to 50 psi
- Switching Action: SPDT snap action, make R-W, break R-B on pressure rise
- Sensor Element: Stainless Steel diaphragm
- Pipe Connections, Main or High Pressure: 1/4″ NPT internal thread
- Differential Type: Subtractive
- Switch Contact Ratings (120 Vac): 8.0 AFL, 48.0 ALR, 10.0 A resistive
- Maximum Sustained Operating Pressure (psi): 85 psi
- Pressure Differential (psi): 6 to 14 psi
- Temperature Range: -35 F to +150 F
- Electrical Connections: Screw terminals
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