{"product_id":"lowell-ry-4a","title":"Lowell RY-4A Four DPDT General Purpose Relay Module","description":"\u003cp\u003eThe Lowell RY-4A is a general purpose relay module built for systems integrators and installed AV professionals who need dependable multi-circuit switching in a compact, protected enclosure. With four fully independent DPDT relays, it handles a range of control tasks including source switching, muting, zone control, and auxiliary triggering without cross-interference between relay circuits.\u003c\/p\u003e\u003cp\u003eEach relay activates via contact closure or voltage input across a wide 5-24V AC or DC range, making the RY-4A compatible with a broad selection of control systems and processors. Detachable Phoenix-style terminals simplify field wiring and future serviceability. The onboard test switch enables fast troubleshooting without external test equipment, reducing commissioning time on the job site.\u003c\/p\u003e\u003cp\u003eThe enclosed steel chassis protects internal components from dust and incidental contact in equipment rack environments. The permanently attached power supply accepts 100-250VAC input and provides a regulated 24VDC output, eliminating the need for a separate wall adapter or inline supply. For AV installers specifying relay control in commercial, educational, or house-of-worship systems, the RY-4A delivers proven Lowell construction in a self-contained format.\u003c\/p\u003e","brand":"Lowell Manufacturing Co.","offers":[{"title":"Default Title","offer_id":52450537472184,"sku":"128229","price":382.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/128229_Lowell-RY-4A-Four-DPDT-General-Purpose-Relay-Module_ALT01sqr.jpg?v=1787331599","url":"https:\/\/soundpro.com\/products\/lowell-ry-4a","provider":"SoundPro","version":"1.0","type":"link"}