Overview
The Norgren 0880300 is an industrial-grade pneumatic pressure switch designed for precise pressure monitoring and control across manufacturing, process automation, and equipment protection applications. This 18D series switch combines electromechanical operation with proven reliability, making it a standard choice for OEM equipment and maintenance replacements in compressed air systems.
Key Features
- Electromechanical diaphragmatic operation with gold-plated microswitch contacts for stable electrical performance
- Intrinsically safe design enabling direct integration with Excelon air line units and similar pneumatic systems
- Aluminum housing provides lightweight, corrosion-resistant construction
- High switching cycle rate up to 100 l/min for responsive pressure regulation
- IP65 rating ensures protection against dust and moisture ingress in industrial environments
- Positive pressure type with configurable threshold settings for application-specific requirements
Technical Specifications
- Pressure Range: 0.5 to 8 bar (7.2 to 116 PSI)
- Port Size: G1/4
- Electrical Rating: 250V AC, 3 amp maximum
- Maximum Over-Pressure: 80 bar
- Series: 18D
- Housing Material: Aluminum
- Protection Class: IP65
- Switch Type: Electromechanical microswitch
- Contact Material: Gold-plated
- Flow Rate Capacity: 100 l/min
- Weight: 0.40 lbs
- Country of Origin: Germany
- EAN-13: 4016138023718
Typical Applications
- Pneumatic system pressure monitoring and overpressure protection
- Industrial compressor control and load regulation
- Manufacturing automation equipment interlocks and safety circuits
- Air dryer and filter bowl monitoring
- Compressed air distribution networks in factories and processing plants
- OEM equipment pressure safeguards and process control loops
Compatibility & Replacements
Compatible With
- Excelon pneumatic air line units and compressed air systems
- Standard industrial pneumatic circuits with G1/4 threaded connections
- Automation control systems requiring 250V AC, 3 amp electrical interface
- OEM equipment designed for 18D series pressure switch integration
Replaces / Drop-In Replacement For
- Direct replacement for legacy Norgren 18D series switches in similar configurations
- Functionally equivalent to comparable 0.5–8 bar pneumatic pressure switches with G1/4 ports
- Suitable for retrofit applications where the original switch meets the same electrical and pneumatic specifications
Works With
- Standard pneumatic control circuits and relay logic systems
- Industrial PLC and automation controller inputs (24V/240V signal conditioning)
- Proportional and directional control valve pilot lines
- Compressed air quality monitoring and system diagnostics












