Potter OSYSU-EX Explosion Proof Outside Screw and Yoke Valve Supervisory Switch

For dependable valve supervision in hazardous environments, the Potter Electric Signal, LLC OSYSU-EX Explosion Proof Outside Screw and Yoke Valve Supervisory Switch delivers certified, field-ready performance. Designed to monitor the open condition of OS & Y gate valves, this explosion-proof valve supervisory switch features a UL-listed enclosure with ATEX/CSA approvals for Class I, Div. 1 & 2 (Groups C, D) and Class II, Div. 1 & 2 (Groups E, F, G), helping you meet stringent safety and regulatory requirements. The adjustable trip rod and knurled mounting bracket speed installation and retrofit, while ample wiring space and 125V AC/DC compatibility simplify integration with fire alarm panels, water flow controls and security/monitoring networks. Ideal for facilities that require reliable surveillance of flow conditions — such as industrial plants, wastewater systems and critical infrastructure — the OSYSU-EX supports continuous monitoring and enhances overall system integrity. Backed by Potter’s reputation for quality, this supervisory switch minimizes downtime and reduces maintenance effort. Specify the OSYSU-EX for your next water-flow control, fire protection or security monitoring project and contact your distributor to order or request technical assistance.

• Ensures reliable supervision of OS & Y gate valves in hazardous locations for consistent water-flow and fire-protection monitoring
• UL/CSA/ATEX explosion-proof enclosure and Class I/II hazardous location rating reduce compliance risk and improve site safety
• Adjustable trip rod and knurled mounting bracket simplify retrofit and on-site installation, saving time and labor
• 125V AC/DC compatibility with ample wiring space makes integration into existing control and security systems fast and flexible
• Robust construction and RoHS compliance provide long-term durability and environmental compliance for industrial and municipal applications