{"product_id":"3ua5500-series-thermal-overload-relay-for-siemens-3ua5500-1e-1f-1h-2-5a-8a-motor-protection","title":"3UA5500 Series Thermal Overload Relay for Siemens, 3UA5500-1E 1F 1H (2.5A-8A) Motor Protection","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e3UA5500 series thermal overload relays\u003c\/strong\u003e are designed for Siemens 3TF series contactors to provide dependable overload and phase-failure protection for three-phase AC electric motors. Built with an adjustable current setting dial, ambient temperature compensation, and switchable manual\/automatic reset, they protect industrial motors and control systems from thermal overload and phase imbalance.\u003c\/p\u003e\n\n\u003ch3\u003eAvailable Models \u0026amp; Current Ranges\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3UA5500-1E:\u003c\/strong\u003e Current setting range \u003cstrong\u003e2.5A – 4.0A\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3UA5500-1F:\u003c\/strong\u003e Current setting range \u003cstrong\u003e3.2A – 5.0A\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3UA5500-1H:\u003c\/strong\u003e Current setting range \u003cstrong\u003e5.0A – 8.0A\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Series:\u003c\/strong\u003e 3UA5500 (3UA55 00)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Compatible with Siemens 3TF30, 3TF31, 3TF32, 3TF33, 3TF34, 3TF35 contactors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated Insulation Voltage (Ui):\u003c\/strong\u003e 690V AC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuxiliary Contacts:\u003c\/strong\u003e 1 NO + 1 NC electrically separate (95-96 NC, 97-98 NO)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrip Class:\u003c\/strong\u003e Class 10A with ambient temperature compensation (-20°C to +60°C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReset Mode:\u003c\/strong\u003e Switchable Manual (Hand) \/ Automatic reset with test button\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem Weight:\u003c\/strong\u003e Approx. 1.0 kg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard Compliance:\u003c\/strong\u003e IEC 60947-4-1, CE certified\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDifferential Phase-Failure Protection:\u003c\/strong\u003e Highly responsive protection against motor phase loss and unbalance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Compensated:\u003c\/strong\u003e Ensures consistent trip characteristics across fluctuating ambient cabinet temperatures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug-in \u0026amp; Direct Mounting:\u003c\/strong\u003e Easily mounts directly to Siemens 3TF contactors or independent mounting bases.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInquiries \u0026amp; Worldwide Shipping\u003c\/h3\u003e\n\u003cp\u003eWe supply authentic industrial control gear and electrical replacement parts. For bulk orders or distributor pricing, please contact us at: \u003cstrong\u003einquiry@electrical-online-store.com\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFast worldwide shipping available via DHL, FedEx, UPS, and EMS.\u003c\/p\u003e","brand":"OTHILANTECH","offers":[{"title":"3UA5500-1E","offer_id":50511329919110,"sku":"3UA5500-1E","price":48.0,"currency_code":"USD","in_stock":true},{"title":"3UA5500-1F","offer_id":50511329951878,"sku":"3UA5500-1F","price":48.0,"currency_code":"USD","in_stock":true},{"title":"3UA5500-1H","offer_id":50511329984646,"sku":"3UA5500-1H","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/9589\/3894\/files\/QQ_1790146396552.png?v=1790146491","url":"https:\/\/www.electrical-online-store.com\/products\/3ua5500-series-thermal-overload-relay-for-siemens-3ua5500-1e-1f-1h-2-5a-8a-motor-protection","provider":"OTHILANTECH","version":"1.0","type":"link"}