Heavy Duty Normally Closed Single Circuit 15 PSI Pressure Switch Features: * Ground - Floating * Connection - # 8-32 * Voltage - 6-24V * Circuit - Normally Closed - Single * Contacts - Silver Alloy * Max. Pressure Range - 15 PSI * Terminals - 2 *Sold as an Individual Warning [https://productimageserver.com/prop65/6pt.png]WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov [http://P65Warnings.ca.gov].