{"product_id":"6se7021-8tb71-z-siemens-frequency-converter-vfd-drive","title":"6SE7021-8TB71-Z Siemens Frequency Converter | VFD Drive","description":"\u003ch2\u003e\u003cstrong\u003eSiemens 6SE7021-8TB71-Z Frequency Converter: Precision Drive Control\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \u0026amp; Model:\u003c\/strong\u003e Siemens \u003cstrong\u003e6SE7021-8TB71-Z\u003c\/strong\u003e frequency converter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Rating:\u003c\/strong\u003e 2.2 kW for standard induction motors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 380-480 V AC, three-phase, 50\/60 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Current:\u003c\/strong\u003e Nominal 5.5 A, maximum 6.9 A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Range:\u003c\/strong\u003e 0 to 300 Hz for flexible speed control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Method:\u003c\/strong\u003e V\/f control or vector control without encoder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Class:\u003c\/strong\u003e IP20 rating for indoor panel installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Temperature:\u003c\/strong\u003e Operates from 0°C to +40°C reliably.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e Handles -25°C to +70°C without damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverload Capacity:\u003c\/strong\u003e 150% for 60 seconds, 200% for 3 seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Inputs:\u003c\/strong\u003e Six programmable isolated inputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog Inputs:\u003c\/strong\u003e Two channels, 0-10V or 0\/4-20mA selectable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e Built-in USS protocol via RS485 interface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEMC Filter:\u003c\/strong\u003e Integrated class A filter reduces interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e High 97% typical at rated load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e Frequency setting resolution at 0.01 Hz.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is this the genuine Siemens \u003cstrong\u003e6SE7021-8TB71-Z\u003c\/strong\u003e?\u003c\/strong\u003e\u003cbr\u003eA: Yes, we supply only brand new and original Siemens products.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can this drive run a 1.5 kW motor safely?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the \u003cstrong\u003e6SE7021-8TB71-Z\u003c\/strong\u003e works well for motors up to 2.2 kW.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does the unit include a built-in braking chopper?\u003c\/strong\u003e\u003cbr\u003eA: No, this model requires an external braking resistor for dynamic braking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What communication protocols does it support?\u003c\/strong\u003e\u003cbr\u003eA: It supports USS and Modbus RTU through the RS485 port.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How do I reset the factory default parameters?\u003c\/strong\u003e\u003cbr\u003eA: Set parameter P053 to 6, then set P060 to 2 for a complete reset.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Do you have stock for immediate shipping?\u003c\/strong\u003e\u003cbr\u003eA: Yes, we have the \u003cstrong\u003e6SE7021-8TB71-Z\u003c\/strong\u003e in stock ready to ship.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I use this drive at 50°C ambient temperature?\u003c\/strong\u003e\u003cbr\u003eA: You must derate the output current by 2.5% per °C above 40°C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor inquiries, please contact us: \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e or \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003ePartner \u003ca href=\"https:\/\/www.nex-auto.com\/\"\u003eNexAuto Technology Limited\u003c\/a\u003e\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":45901276643489,"sku":"6SE7021-8TB71-Z","price":263.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/6SE7021-8TB71-Z.jpg?v=1775719204","url":"https:\/\/www.autonexcontrol.com\/uk\/products\/6se7021-8tb71-z-siemens-frequency-converter-vfd-drive","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}