Schneider Electric VK-7211-203-4-2 Pressure Switch Normally Open 1/2" Union 8-13 PSI

The Schneider Electric (Barber Colman) VK-7211-203-4-2 is a pressure-actuated switch designed for HVAC and refrigeration control applications. This industrial-grade pressure switch features normally open (N/O) electrical contacts that close when the system pressure rises above the set point within the operating range.

Key Features:

• Pressure range: 8-13 PSI operating range for precise control
• Normally open (N/O) contact configuration
• 1/2" union connection for easy installation and maintenance
• Rugged construction suitable for commercial and industrial environments
• Factory calibrated for reliable, consistent performance
• Compatible with air, water, and compatible refrigerants

This pressure switch is commonly used in HVAC systems for applications such as low-pressure cutout protection, fan control, and system interlocks. The union connection allows for simple removal and reinstallation without disturbing the connected piping. Barber Colman controls, now manufactured under the Schneider Electric brand, are known for their durability and long service life in demanding applications.