Overview
The SOR 5NN-G45-N4-F1A pressure switch is a reliable, weatherproof industrial pressure control device designed for process and hydraulic applications. With an adjustable pressure range of 45–550 PSI, this switch delivers precise on/off switching for systems requiring repeatable setpoint control. The 5NN series static O-ring design offers durability and long-term stability in demanding environments.
Key Features
- Adjustable pressure range: 45–550 PSI
- Static O-ring design with Buna-N seals and Teflon-coated polyimide diaphragm for wetted surface durability
- Weatherproof housing suitable for indoor and outdoor industrial applications
- 1/4″ NPT port connections for standard piping integration
- Compact, proven 5NN platform with established field reliability
- Low typical deadband for precise control and repeatability
Technical Specifications
- Pressure Range: 45–550 PSI (adjustable)
- Wetted Materials: Buna-N O-ring, TCP Teflon-coated polyimide diaphragm
- Port Connection: 1/4″ NPT female
- Housing Type: Weatherproof
- Weight: Approximately 1.80 lbs
- Switching Element: Normal service AC (standard contact configuration)
- Operating Temperature: −30°F to 200°F (−34°C to 93°C)
- Certifications: UL-listed for appropriate applications
Typical Applications
- Hydraulic system pressure monitoring and control
- Pneumatic and gas line pressure regulation
- Industrial process pressure alarms and interlocks
- Water and fluid system pressure protection
- Equipment safeguarding and shutdown circuits
Compatibility & Replacements
Compatible With
- Hydraulic fluid systems (mineral oil and compatible synthetics)
- Pneumatic and compressed air systems
- Industrial control circuits with AC switching capability
- Standard 1/4″ NPT piping installations
- Weatherproof outdoor panel and enclosure mounting
Replaces / Drop-In Replacement For
- SOR 5NN-K45-N4-F1A (same series, equivalent function)
- SOR 5L-K45-N4-F1A (non-weatherproof variant)
- Other SOR 5NN series 45–550 PSI pressure switches with matching electrical terminals
Works With
- Standard industrial relay logic and PLC input modules
- 24 VDC and 120/240 VAC control circuits
- Pressure monitoring and alarm systems
- Hydraulic and pneumatic proportional valve circuits
- Third-party SCADA and industrial automation platforms
