Hankison 3233283 Pressure Switch

The Hankison 3233283 High Pressure Switch M/R is a critical safety component engineered for precision monitoring in high-pressure compressed air and refrigeration systems. As a manual reset (M/R) control, this switch is designed to provide fail-safe protection by deactivating the system when internal pressures exceed the calibrated safety threshold, preventing catastrophic equipment failure and ensuring operational safety for industrial air dryers. Utilizing a robust SPDT contact mechanism, the 3233283 delivers reliable electrical feedback to the control board, making it an essential replacement part for maintaining Hankison refrigerated air dryer performance and protecting downstream pneumatic tools.

This HVACR pressure control is built to withstand demanding environments, featuring a durable housing and a high-stability sensing element that resists vibration-induced cycling. It is specifically compatible with a wide range of SPX Flow and Hankison equipment, often utilized as a high pressure cutout switch to manage head pressure in cooling circuits. By requiring a manual reset after a trip, this component ensures that a technician can diagnose the root cause of the overpressure event before the system resumes operation, significantly reducing the risk of repeated cycling under fault conditions. For contractors and site engineers, installing the OEM Hankison 3233283 ensures seamless integration with original mounting brackets and wiring harnesses, maintaining the factory-specified air compressor dryer pressure limits.

• Manual Reset Safety: Provides mechanical lockout after high-pressure events to prevent automatic restarting and potential hardware damage.
• Precise Pressure Actuation: Calibrated for high pressure safety cutout applications to ensure responsive system deactivation.
• OEM Compatibility: Designed specifically for SPX Flow Hankison systems, ensuring exact fit and electrical alignment with existing control circuits.
• Industrial-Grade Build: Engineered for HVACR system protection with high-duty cycle contacts and corrosion-resistant sensing components.
• SPDT Contact Logic: Allows for flexible wiring configurations, including simultaneous compressor shutdown and alarm signaling.

• What does the 'M/R' stand for in the Hankison 3233283? M/R stands for Manual Reset. Unlike automatic switches, this requires a physical press of the reset button to re-engage the circuit after a high-pressure trip has occurred.
• Can this switch be used for both air and refrigerant? Yes, this Hankison pressure switch is typically rated for use with most common fluorinated refrigerants and compressed air systems.
• How do I know if my switch needs replacement? Inconsistent dryer operation, a "locked out" system that won't restart after cooling, or visible continuity failure across the SPDT terminals are primary indicators that the switch has failed or reached its end of life.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.