The MIDWEST CONTROL P69MB9LY pressure switch features an unloader auto-off lever, operating within a pressure range of 135-175 PSI. Designed for 1/4" FPT connections, this switch is ideal for air compressor applications, ensuring reliable performance and safety. Constructed from durable materials, it meets industry standards for quality and reliability. The automatic shut-off feature enhances safety by preventing over-pressurization, making it a crucial component for maintaining optimal performance in pneumatic systems. This pressure switch is compatible with various air compressor models, providing versatility and ease of use.