{"product_id":"siemens-6sl3130-7te21-6aa3","title":"Siemens 6SL3130-7TE21-6AA3","description":"\u003cstyle\u003e\n.flexa-desc { font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif; color:#1f2937; line-height:1.7; }\n.flexa-desc .desc-intro { font-size:15px; color:#374151; margin-bottom:0; }\n.flexa-desc .desc-section { margin-top:28px; }\n.flexa-desc .desc-section-title { font-size:15px; font-weight:700; color:#111827; text-transform:uppercase; letter-spacing:.05em; padding-bottom:10px; border-bottom:2px solid #e5e7eb; margin-bottom:16px; }\n.flexa-desc .desc-service-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; }\n.flexa-desc .desc-service-card { border-radius:10px; padding:16px; border:1px solid #e5e7eb; }\n.flexa-desc .desc-service-repair { background:#fff7ed; border-color:#fed7aa; }\n.flexa-desc .desc-service-ref { background:#f0fdf4; border-color:#bbf7d0; }\n.flexa-desc .desc-service-new { background:#eff6ff; border-color:#bfdbfe; }\n.flexa-desc .desc-service-label { font-weight:700; font-size:13px; text-transform:uppercase; letter-spacing:.04em; margin-bottom:8px; }\n.flexa-desc .desc-service-repair .desc-service-label { color:#c2410c; }\n.flexa-desc .desc-service-ref .desc-service-label { color:#15803d; }\n.flexa-desc .desc-service-new .desc-service-label { color:#1d4ed8; }\n.flexa-desc .desc-service-body { font-size:13px; color:#4b5563; line-height:1.6; }\n.flexa-desc .desc-faq-item { margin-bottom:16px; padding:14px 16px; background:#f9fafb; border-radius:8px; border-left:3px solid #e5e7eb; }\n.flexa-desc .desc-faq-item:last-child { margin-bottom:0; }\n.flexa-desc .desc-faq-q { font-weight:700; font-size:14px; color:#111827; margin-bottom:6px; }\n.flexa-desc .desc-faq-a { font-size:13px; color:#4b5563; line-height:1.6; }\n.flexa-desc .desc-seo { margin-top:24px; padding:14px 16px; background:#f3f4f6; border-radius:8px; font-size:13px; color:#6b7280; line-height:1.6; }\n@media(max-width:640px){ .flexa-desc .desc-service-grid { grid-template-columns:1fr; } }\n\u003c\/style\u003e\n\u003cdiv class=\"flexa-desc\"\u003e\n  \u003cp class=\"desc-intro\"\u003eWithin \u003cstrong\u003eSiemens\u003c\/strong\u003e's \u003cstrong\u003eVFD\u003c\/strong\u003e lineup, the \u003cstrong\u003e\u003cstrong\u003eSiemens\u003c\/strong\u003e 6SL3130-7TE21-6AA3\u003c\/strong\u003e functions as a line module component within the SINAMICS S120 drive system architecture, specifically engineered for active infeed operation at 16 kW rated power. The S120 platform departs from traditional standalone \u003cstrong\u003evariable frequency drive\u003c\/strong\u003e configurations by distributing functionality across modular components — infeed modules, motor modules, and control units — that share a common DC bus. The 6SL3130-7TE21-6AA3 occupies the infeed role in this architecture, converting incoming AC supply voltage into regulated DC link power that downstream motor modules then draw upon to drive connected loads. Its active infeed topology enables controlled power factor correction and supports regenerative braking energy recovery back to the supply grid, a key distinction from passive or basic rectifier designs. At 16 kW, this unit is sized for mid-range drive system configurations where multiple smaller axes share a centralized power supply rather than each axis carrying its own dedicated converter.\u003c\/p\u003e\n  \u003cp class=\"desc-intro\"\u003eIntegration-wise, the \u003cstrong\u003e\u003cstrong\u003eSiemens\u003c\/strong\u003e 6SL3130-7TE21-6AA3\u003c\/strong\u003e connects into the broader S120 ecosystem through the Drive-CLiQ communication interface, which daisy-chains components and allows the SINUMERIK or SIMOTION controller — along with the S120 Control Unit such as the CU320-2 — to automatically detect module parameters and firmware versions without manual parameterization. This topology makes the 6SL3130-7TE21-6AA3 particularly practical in coordinated multi-axis installations where a single engineering environment, \u003cstrong\u003eSiemens\u003c\/strong\u003e STARTER or TIA Portal with Startdrive, manages the complete drive train. The unit is commonly deployed in CNC machining centers, automated press lines, and high-bay warehouse retrieval systems where regenerative capability reduces net energy consumption and simplifies cabinet thermal management. Textile and paper processing applications also frequently employ S120 active infeed configurations to maintain tight tension control across multiple driven rolls from one DC bus. Facilities sourcing components for these installations can review \u003ca href=\"\/collections\/vfds-variable-frequency-drives\"\u003eour \u003cstrong\u003eVFD\u003c\/strong\u003e repair catalog\u003c\/a\u003e to confirm available stock or repair eligibility across the S120 family. For brand-specific sourcing, \u003ca href=\"\/pages\/siemens-repair\"\u003eSiemens \u003cstrong\u003eVFD\u003c\/strong\u003e repair\u003c\/a\u003e coverage at \u003cstrong\u003eFlexa Systems\u003c\/strong\u003e extends across the S120 and related Siemens drive platforms.\u003c\/p\u003e\n  \u003cp class=\"desc-intro\"\u003eLike other \u003cstrong\u003eVFD\u003c\/strong\u003e units in heavy industrial duty, the \u003cstrong\u003e\u003cstrong\u003eSiemens\u003c\/strong\u003e 6SL3130-7TE21-6AA3\u003c\/strong\u003e is subject to failure modes that reflect both its active switching architecture and its role as the system's primary power-conditioning stage. Electrolytic capacitors in the DC link degrade over years of thermal cycling, which can manifest as increased DC bus ripple before progressing to faulted infeed conditions. The IGBT power stage and gate driver circuits are vulnerable to overcurrent events caused by downstream wiring faults or motor module configuration errors, and these failures often present as non-resettable overcurrent faults logged in the drive's diagnostic buffer. Facilities evaluating a \u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eSiemens\u003c\/strong\u003e 6SL3130-7TE21-6AA3\u003c\/strong\u003e replacement\u003c\/strong\u003e after such events, or those looking to \u003cstrong\u003ebuy Siemens 6SL3130-7TE21-6AA3\u003c\/strong\u003e units to maintain a spare pool, should verify firmware revision compatibility with the host Control Unit before installation. A \u003cstrong\u003eSiemens 6SL3130-7TE21-6AA3 \u003cstrong\u003erefurbished\u003c\/strong\u003e\u003c\/strong\u003e unit tested against OEM specifications can serve as a cost-effective alternative to new stock in many of these scenarios. Scheduling \u003ca href=\"\/pages\/vfd-repair\"\u003eindustrial \u003cstrong\u003eVFD\u003c\/strong\u003e repair services\u003c\/a\u003e early — rather than waiting for full module failure — typically shortens the repair cycle and reduces the risk of secondary damage to adjacent S120 components. Facilities can ship the Siemens 6SL3130-7TE21-6AA3 to \u003cstrong\u003eFlexa Systems\u003c\/strong\u003e for board-level repair, exchange for a \u003cstrong\u003erefurbished\u003c\/strong\u003e unit, or order new stock — repairs are backed by a \u003cstrong\u003e2-year warranty\u003c\/strong\u003e from our Lewisville, TX shop.\u003c\/p\u003e\n\u003cdiv class=\"desc-section\"\u003e\n  \u003cdiv class=\"desc-section-title\"\u003eTechnical Specifications\u003c\/div\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;border-radius:8px;overflow:hidden;border:1px solid #e5e7eb;\"\u003e\n\u003ctr style=\"background:#f8f9fa;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;color:#374151;width:38%;font-size:13px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;color:#1f2937;font-size:13px;\"\u003eSiemens 6SL3130-7TE21-6AA3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;color:#374151;width:38%;font-size:13px;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;color:#1f2937;font-size:13px;\"\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f8f9fa;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;color:#374151;width:38%;font-size:13px;\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;color:#1f2937;font-size:13px;\"\u003e16KW\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"desc-section\"\u003e\n  \u003cdiv class=\"desc-section-title\"\u003eService Options\u003c\/div\u003e\n  \u003cdiv class=\"desc-service-grid\"\u003e\n    \u003cdiv class=\"desc-service-card desc-service-repair\"\u003e\n      \u003cdiv class=\"desc-service-label\"\u003eRepair Service\u003c\/div\u003e\n      \u003cdiv class=\"desc-service-body\"\u003eShip your faulty Siemens 6SL3130-7TE21-6AA3 to our facility. Our certified technicians perform IGBT testing, capacitor inspection, gate driver diagnostics, and full load testing. Typical turnaround: 5–7 business days. 2-year warranty included.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"desc-service-card desc-service-ref\"\u003e\n      \u003cdiv class=\"desc-service-label\"\u003eRefurbished\u003c\/div\u003e\n      \u003cdiv class=\"desc-service-body\"\u003eIn-stock Siemens Siemens 6SL3130-7TE21-6AA3 variable frequency drive, reconditioned to OEM specifications and verified under load. Ships immediately. 2-year warranty included.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"desc-service-card desc-service-new\"\u003e\n      \u003cdiv class=\"desc-service-label\"\u003eBrand New\u003c\/div\u003e\n      \u003cdiv class=\"desc-service-body\"\u003eNew Siemens 6SL3130-7TE21-6AA3 in original Siemens packaging. Full manufacturer warranty applies. Contact us to confirm availability and lead time.\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"desc-seo\"\u003eFlexa Systems specializes in Siemens Siemens 6SL3130-7TE21-6AA3 variable frequency drive repair, supplying refurbished and new units backed by a 2-year warranty. All drives are load-tested before shipping. Serving industrial facilities nationwide from Lewisville, TX.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Repair Service","offer_id":54178866594067,"sku":"2100000011780","price":0.0,"currency_code":"USD","in_stock":true},{"title":"Refurbished","offer_id":54178866626835,"sku":"2100000011780","price":1440.0,"currency_code":"USD","in_stock":true},{"title":"Brand New","offer_id":54178866659603,"sku":"2100000011780","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/1948\/5715\/files\/d5356ba354df4172b3b5167e877c0924_default.jpg?v=1779091361","url":"https:\/\/flexa-systems.com\/products\/siemens-6sl3130-7te21-6aa3","provider":"Flexa Systems","version":"1.0","type":"link"}