Overview
The Square D 9012-ACW4 is a bellows-actuated industrial pressure switch designed for reliable pressure monitoring and control across a wide range of applications. With a pressure range of 1-20 PSI and adjustable differential settings, this switch provides accurate pressure sensing in legacy and retrofit system environments. The unit is manufactured to IP65 protection standards, making it suitable for both indoor and outdoor industrial installations.
Key Features
- Bellows-actuated design for sensitive pressure detection
- Pressure range: 1-20 PSI with 1-6 PSI adjustable differential
- 600 VAC electrical rating for standard industrial control circuits
- IP65 ingress protection rating for harsh environments
- Compatible with air, oil, water, and gaseous media
- Series B construction for proven long-service life
Technical Specifications
- Pressure Range: 1-20 PSI
- Adjustable Differential: 1-6 PSI
- Electrical Rating: 600 VAC
- Actuator Type: Bellows
- Ingress Protection: IP65
- Series: 9012 Class, Type ACW4 Series B
- Media Compatibility: Air, Oil, Water, Liquids, Gases
Typical Applications
The Square D 9012-ACW4 pressure switch is widely deployed in machine tool control systems, air compressor monitoring, hydraulic and pneumatic circuits, and general-purpose industrial automation where low-range pressure sensing is required. Its bellows actuator provides reliable operation in applications demanding sensitivity to subtle pressure changes.
Compatibility & Replacements
Compatible With
- Standard industrial control circuits (600 VAC)
- Pneumatic and hydraulic system control panels
- Machine tool pressure monitoring systems
- Legacy and retrofit pressure control applications
- Air compressor shutdown/start controls
Replaces / Drop-In Replacement For
The 9012-ACW4 directly replaces other Series 9012 Class ACW4 configurations in equivalent pressure range applications. Verify with your system integrator that the specific pressure range, differential setting, and electrical ratings match your replacement requirements before ordering.
Works With
- Square D and Schneider Electric control systems
- Standard 600 VAC industrial control networks
- Pneumatic and hydraulic automation circuits
- Manual and automatic system startup sequences
