Overview
Square D 9012 GCW-1 Class 9012 Series C pressure switch is a control circuit rated device engineered for pneumatic and hydraulic system applications. The Square D 9012 pressure switches are control circuit rated devices used in pneumatic or hydraulic systems on a wide variety of machine and process applications to protect the equipment and control or monitor the system pressure. This used unit is fully inspected and functional, providing cost-effective pressure monitoring and protection.
Key Features
- Control circuit rated for industrial pneumatic and hydraulic applications
- Class 9012 Series C designation—industry-standard pressure switch platform
- GCW-1 type configuration for reliable single-stage pressure monitoring
- Available with open, NEMA 1, NEMA 4, and NEMA 7,9 enclosures; single stage, dual stage, and differential switch options
- Used condition—tested and fully functional
- Direct drop-in replacement for legacy and OEM equipment
Technical Specifications
- Manufacturer: Square D (Schneider Electric)
- Model/Type: GCW-1
- Class: 9012
- Series: C
- Pressure Port: 1/4″ NPT (standard)
- Contact Configuration: SPDT (Single Pole Double Throw)
- Operating Media: Air, Water, Light Hydraulic Oil
- Certifications: UL, CSA
- Condition: Used
Typical Applications
- Machine tool coolant pressure monitoring
- Hydraulic system load sensing and protection
- Pneumatic compressor unload control
- Pump discharge pressure monitoring
- Industrial equipment safety shutdown circuits
- Pressure relief and alarm circuits in manufacturing systems
Compatibility & Replacements
Compatible With
- Pneumatic control systems and air lines
- Hydraulic systems (light oils)
- Industrial PLC and relay-based control circuits
- Machine tool controllers and control panels
- Pressure monitoring and alarm systems
Replaces / Drop-In Replacement For
- Other Class 9012 Series C pressure switches with equivalent pressure ratings
- Verify compatibility with your system integrator before ordering to confirm pressure range and enclosure type match your application requirements.
Works With
- Standard pneumatic tubing (1/4″ NPT connections)
- Industrial hydraulic lines and fittings
- Relay logic and hardwired control circuits
- NEMA control enclosures and junction boxes
- Legacy machine tool controllers and automation systems
