{"product_id":"fotek-solid-state-relay-module-taiwan","title":"Fotek Solid-State Relay Module (Taiwan)","description":"\u003cp\u003eFotek solid-state relays (SSRs) are popular, compact, and highly reliable semiconductor-based switching devices, commonly used in temperature control, heating, and automation applications. The most common series, such as the SSR-DA (DC-AC) and SSR-AA (AC-AC), feature zero-cross switching to minimize interference.\u003cbr\u003e\u003cbr\u003e1. Electrical Specifications\u003cbr\u003eInput Control Voltage: Typically 3-32VDC or 4-32VDC (compatible with Arduino\/TTL).\u003cbr\u003eLoad Voltage (Output): Standard: 24-380VAC; High Voltage (-H): 90-480VAC or 90-550VAC.\u003cbr\u003eRated Load Current: Models available in 10A, 25A, 40A, 50A, 75A, and 100A.\u003cbr\u003eControl Current: Low input current, typically 3-25mA DC, or \u0026lt;7.5mA\/12VDC.\u003cbr\u003eOutput Type: TRIAC or Thyristor (Zero Cross Trigger).\u003cbr\u003e2. Environmental \u0026amp; Safety Features\u003cbr\u003eOperating Temperature: -20°C to +80°C.\u003cbr\u003eOverheat Protection: Many models include an internal protection circuit designed to turn off at 120°C.\u003cbr\u003eHousing Material: Intensive ABS plastic.\u003cbr\u003eWorking Indicator: LED indicator for status (on\/off).\u003cbr\u003e\u003cbr\u003eHeat Sink Required: For loads over 5-10A, a heat sink is mandatory to prevent overheating and failure, as SSRs produce heat due to internal voltage drop.\u003cbr\u003eDerating: For long-term reliability, it is recommended to derate the load current by 50% or more, especially with, or suspected, counterfeit units.\u003cbr\u003eZero Cross Function: Ideal for resistive loads (heaters) and some inductive loads; it minimizes EMI\/EFI surges.\u003cbr\u003eTypes:\u003cbr\u003eDA: DC Input \/ AC Output (Most Common).\u003cbr\u003eAA: AC Input \/ AC Output.\u003cbr\u003eDD: DC Input \/ DC Output.\u003cbr\u003eVA: Variable Resistor Input \/ AC Output\u003cbr\u003e\u003c\/p\u003e","brand":"Desert Electro","offers":[{"title":"DC to AC (DA) \/ 10","offer_id":52285256171839,"sku":null,"price":20.0,"currency_code":"AED","in_stock":true},{"title":"DC to AC (DA) \/ 20","offer_id":52285256204607,"sku":null,"price":40.0,"currency_code":"AED","in_stock":true},{"title":"DC to AC (DA) \/ 40","offer_id":52285256237375,"sku":null,"price":45.0,"currency_code":"AED","in_stock":true},{"title":"DC to AC (DA) \/ 50","offer_id":52285256270143,"sku":null,"price":50.0,"currency_code":"AED","in_stock":true},{"title":"DC to AC (DA) \/ 60","offer_id":52285256302911,"sku":null,"price":60.0,"currency_code":"AED","in_stock":true},{"title":"AC to AC (AA) \/ 10","offer_id":52285256335679,"sku":null,"price":15.0,"currency_code":"AED","in_stock":true},{"title":"AC to AC (AA) \/ 20","offer_id":52285256368447,"sku":null,"price":30.0,"currency_code":"AED","in_stock":true},{"title":"AC to AC (AA) \/ 40","offer_id":52285256401215,"sku":null,"price":40.0,"currency_code":"AED","in_stock":true},{"title":"AC to AC (AA) \/ 50","offer_id":52285256433983,"sku":null,"price":55.0,"currency_code":"AED","in_stock":true},{"title":"AC to AC (AA) \/ 60","offer_id":52285256466751,"sku":null,"price":75.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/1026\/6175\/files\/Relaytaiwan.jpg?v=1772001287","url":"https:\/\/www.desertelectro.com\/products\/fotek-solid-state-relay-module-taiwan","provider":"Desert Electro","version":"1.0","type":"link"}