{"product_id":"thinkgrow-opa-2-smart-junction-box-for-daisy-chained-leds-100-277v-30a","title":"ThinkGrow OPA-2 Smart Junction Box for Daisy-Chained LEDs, 100–277V 30A","description":"\u003cp\u003eThe OPA-2 is a smart junction box that powers a string of daisy-chained ThinkGrow LEDs and watches the circuit. It meters voltage, current, power and power factor, cuts power to the lights if current climbs past the limit you set, and connects to TrolMaster controllers for remote monitoring, light grouping and dimming.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRated 30 A · 100–277 V~, 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003eSelectable shut-off points: 15 A, 20 A or 30 A · overcurrent protection point +120%, responds within 0.5 s\u003c\/li\u003e\n\u003cli\u003eReal-time voltage, current, power and power-factor readings\u003c\/li\u003e\n\u003cli\u003eLight-group control (groups 0–9) and spectrum-group control for UV, white, deep red and far red with TrolMaster controllers\u003c\/li\u003e\n\u003cli\u003ePower surge protection · full power-off for the night cycle\u003c\/li\u003e\n\u003cli\u003eRS-485 communication · ETL \/ FCC\u003c\/li\u003e\n\u003cli\u003eWorking temperature 32–104°F · humidity ≤ 90%\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIn the box:\u003c\/strong\u003e OPA-2 junction box, ECS-7 12' daisy-chain control cable, 2 ECS-9 connector cables, 2 Y-splitters.\u003c\/p\u003e","brand":"ThinkGrow","offers":[{"title":"Default Title","offer_id":58699133157679,"sku":"OPA-2","price":218.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/OPA2_FrontView-scaled.png?v=1792772855","url":"https:\/\/mattshydroponics.com\/products\/thinkgrow-opa-2-smart-junction-box-for-daisy-chained-leds-100-277v-30a","provider":"Matt’s Hydroponics","version":"1.0","type":"link"}