RDL ST-LCR1H High Power Logic Controlled Relay

For installers who need dependable high-power switching driven by logic-level controls, the Radio Design Labs ST-LCR1H High Power Logic Controlled Relay delivers robust, trouble-free performance. This compact relay provides DPDT dry-switching contacts rated at 8 A, making it ideal for switching 8 Ω speaker lines, 70.7 V/100 V paging circuits, or other high-current loads without compromising audio or system integrity. The ST-LCR1H accepts 5 Vdc, 24 Vdc or open-collector inputs, so it integrates seamlessly with control panels, automation systems, and surveillance or monitoring controllers. A front-panel LED gives immediate visual confirmation of relay status, simplifying troubleshooting and on-site verification. Built for professional AV and security environments, this rugged, low-voltage relay isolates control logic from high-current circuits to protect sensitive equipment and reduce noise. Backed by Radio Design Labs quality and a 3-year limited warranty, the ST-LCR1H is an efficient, space-saving solution for installers upgrading paging, surveillance, or broadcast systems. Add the ST-LCR1H to your next project to streamline speaker-line switching and control—order now or contact our sales team for system integration guidance.

• Simplifies integration with control systems: accepts 5 Vdc, 24 Vdc or open-collector logic inputs so you can trigger high-power loads from existing AV, security or automation panels
• Reliable high-power switching: DPDT dry contacts rated for 8 A provide dependable switching of speaker lines and other audio or power circuits without signal degradation
• Clear status feedback: front-panel LED indicates relay activation so technicians can verify operation at a glance during installation and maintenance
• Protects equipment and simplifies wiring: isolates control logic from high-current circuits to prevent interference with sensitive surveillance and monitoring electronics
• Compact, rack-friendly form: low-profile US-made unit fits into tight AV and security system enclosures for space-efficient installations