{"product_id":"single-tf42-20-thermal-overload-relay-16-20-a-for","title":"Single TF42-20 Thermal Overload Relay 16-20 A for 3-Phase Motors, IEC Motor Protection Device, Trip Class 10, Thermal Bi-Metallic Trip with Manual or Automatic Reset, DIN-mount for AF Contactors","description":"Single TF42-20 thermal overload relay, 16-20 A\u003cbr\u003e\n✔️ 3-phase IEC motor protection; Trip Class 10; selectable reset\n\n\u003cp\u003eThis single thermal overload relay protects 3-phase motors in control panels and pairs with AF series contactors for reliable motor protection and overload tripping.\u003c\/p\u003e\n\n✅ Rating: 16-20 A adjustable range, ideal for motor protection\u003cbr\u003e\n✅ Type: Thermal bi-metallic overload relay, IEC compliant\u003cbr\u003e\n✅ Poles: 3-pole design for three-phase circuits\u003cbr\u003e\n✅ Reset: Selectable manual or automatic reset options\u003cbr\u003e\n✅ Mounting: DIN-rail compatible, fits AF9-AF38 frame contactors\u003cbr\u003e\n✅ Pack: Single unit supplied for easy replacement and panel use\u003cbr\u003e\n\n\u003cp\u003e💡 How does a thermal overload relay protect a three-phase motor in IEC control systems?\nA motor protection relay senses overheating and persistent overcurrent and trips to prevent motor winding damage.\n- It uses a thermal bi-metallic element to emulate motor heating and trigger trips on prolonged overloads.\n- Trip Class 10 timing balances startup inrush tolerance with fast response to damaging conditions.\n- Designed to work with contactors and DIN-mounted motor control equipment for consistent IEC motor protection.\u003c\/p\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":47969939292395,"sku":"VXB00JV3EHVK","price":122.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/91CG5gtLNDL.jpg?v=1775240578","url":"https:\/\/vxb.com\/products\/single-tf42-20-thermal-overload-relay-16-20-a-for","provider":"VXB Bearings","version":"1.0","type":"link"}