{"product_id":"rdl-st-acr2","title":"RDL ST-ACR2","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThe ST-ACR2 is an Audio Controlled Relay in the STICK-ON® series. These products are designed for quick, convenient installation, and reliable operation in a variety of control applications. The ST-ACR2 is designed to switch on line level sources.\u003c\/p\u003e\u003cp\u003eTwo multiturn trimmers are provided. The \u003cb\u003eSENS\u003c\/b\u003e potentiometer adjusts the audio input sensitivity. A threshold LED facilitates accurate adjustment. The module can be set to trigger on signals between -30 dBu and 0 dBu. The \u003cb\u003eDELAY\u003c\/b\u003e control sets the time required for the relay to release when the audio drops below the threshold.\u003c\/p\u003e\u003cp\u003eThe delay adjustment range for the ST-ACR2 is from 5 seconds to 50 seconds.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSwitching Controlled by Audio Signal\u003c\/li\u003e\n\u003cli\u003eSensing of Line-Level Signal\u003c\/li\u003e\n\u003cli\u003eSilence Sensing\u003c\/li\u003e\n\u003cli\u003eDPDT Switching Contacts\u003c\/li\u003e\n\u003cli\u003eOpen-Collector SLAVE Output\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable class=\"table1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio Input\u003c\/td\u003e\n\u003ctd\u003e10 k? balanced bridging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Connections\u003c\/td\u003e\n\u003ctd\u003eMay be connected balanced or unbalanced\u003cbr\u003eControl Output: Open-collector @ 25 mA suitable to drive indicators or slave LCR relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicators\u003c\/td\u003e\n\u003ctd\u003eAudio threshold LED (for setting sensitivity)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRetrigger Delay\u003c\/td\u003e\n\u003ctd\u003e250 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContacts\u003c\/td\u003e\n\u003ctd\u003eDouble-pole-double-throw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Switching Power\u003c\/td\u003e\n\u003ctd\u003e60 W, 125 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Switching Voltage\u003c\/td\u003e\n\u003ctd\u003e220 Vdc, 250 Vac\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Switching Current\u003c\/td\u003e\n\u003ctd\u003e2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActivation Response Time\u003c\/td\u003e\n\u003ctd\u003e25 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Sensitivity\u003c\/td\u003e\n\u003ctd\u003e-30 dBu to 0 dBu (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Release Delay\u003c\/td\u003e\n\u003ctd\u003e5 sec. to 50 sec. nominal (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Operating Environment\u003c\/td\u003e\n\u003ctd\u003e0° C to 55° C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePower Requirement\u003cdiv class=\"spec_spacer\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"specifications\"\u003eGROUND-REFERENCED, 24 Vdc @ 50 mA*\u003cbr\u003e* Assumes 20 mA max load at SLAVE output\u003c\/div\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eHeight: 0.7 in. (1.7 cm), Width: 3 in. (7.6 cm), Depth: 1.6 in. (3.9 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Type\u003c\/td\u003e\n\u003ctd\u003eCardboard Box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Dimensions\u003c\/td\u003e\n\u003ctd\u003e2 x 2 x 4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e0.2 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWEEE weight\u003c\/td\u003e\n\u003ctd\u003e0.15 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff code\u003c\/td\u003e\n\u003ctd\u003e8536.49.0050\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"RDL","offers":[{"title":"Default Title","offer_id":43895103127595,"sku":"RDL-ST-ACR2","price":135.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/3019\/5243\/files\/rdl-st-acr2-2__00790.1682436077.1280.1280.jpg?v=1775684019","url":"https:\/\/www.empirepro.com\/products\/rdl-st-acr2","provider":"Empire Pro","version":"1.0","type":"link"}