{"title":"Control Techniques","description":"\u003cp\u003eBrowse Control Techniques industrial equipment: Unidrive M \/ SP series VFDs and servo drives, Commander drives. New, refurbished, and repair services available. \u003ca href=\"\/pages\/contact\" style=\"color: #FF8C42; font-weight: 700; text-decoration: underline;\"\u003eGet a free quote\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"sp1406","title":"Control Techniques SP1406","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\"\u003eThe \u003cstrong\u003eSP1406\u003c\/strong\u003e is a \u003cstrong\u003evariable frequency drive\u003c\/strong\u003e from \u003cstrong\u003eControl Techniques\u003c\/strong\u003e' Commander SP series, a line of compact AC drives engineered for precise speed and torque control of three-phase induction motors. The \u003cstrong\u003e\u003cstrong\u003eControl Techniques\u003c\/strong\u003e \u003cstrong\u003eSP1406\u003c\/strong\u003e\u003c\/strong\u003e occupies a mid-range position within the Commander SP family, pairing a 1.5 kW (2 HP) output rating with a 400V three-phase input configuration suited to industrial single-motor applications. As a \u003cstrong\u003eVFD\u003c\/strong\u003e, its core function is to modulate motor speed by varying output frequency and voltage, reducing mechanical wear and energy consumption compared to fixed-speed operation. The Commander SP platform was designed with a shallow panel depth and DIN rail compatibility, making the SP1406 a practical fit for space-constrained control cabinets. Its onboard parameter structure supports both open-loop and closed-loop vector control modes, giving engineers flexibility in how tightly motor behavior is regulated. Control Techniques positioned this drive for applications requiring repeatable speed response across variable load conditions, with a straightforward commissioning process accessible via the front-panel keypad.\u003c\/p\u003e\n  \u003cp class=\"desc-intro\"\u003eDistinguishing the \u003cstrong\u003eSP1406\u003c\/strong\u003e from sibling models, this unit's 1.5 kW \/ 400V rating places it between the lighter SP1404 and the higher-current SP1405 in output capability, making it the appropriate selection where motor current demand falls within its specified envelope rather than the bookend sizes. The Commander SP series supports fieldbus communication through optional SI modules, allowing the \u003cstrong\u003e\u003cstrong\u003eControl Techniques\u003c\/strong\u003e \u003cstrong\u003eSP1406\u003c\/strong\u003e\u003c\/strong\u003e to integrate into PROFIBUS-DP, DeviceNet, and CANopen networks alongside compatible PLCs from Siemens, Allen-Bradley, and Mitsubishi without requiring third-party protocol converters. CTSoft, \u003cstrong\u003eControl Techniques\u003c\/strong\u003e' PC-based drive configuration utility, provides parameter upload, download, and comparison workflows that are consistent across the SP range, reducing engineering time when managing a multi-drive installation. Industries that commonly deploy the SP1406 include food and beverage bottling lines, pharmaceutical clean-room conveyor systems, and HVAC fan control in commercial building management installations where 400V supplies are standard and motor sizes fall in the fractional-to-2-HP range. Textile winding machinery and small-format packaging equipment represent additional application contexts where this model's control bandwidth is well matched to the load profile. Engineers specifying a \u003cstrong\u003eControl Techniques SP1406\u003c\/strong\u003e replacement or evaluating alternatives can reference our \u003ca href=\"https:\/\/flexa-systems.com\/collections\/vfd\"\u003eall \u003cstrong\u003eVFD\u003c\/strong\u003e units we repair\u003c\/a\u003e catalog for comparable drives across manufacturers and power classes.\u003c\/p\u003e\n  \u003cp class=\"desc-intro\"\u003eField service experience with the \u003cstrong\u003eSP1406\u003c\/strong\u003e shows that the drive's most frequent failure points are DC bus capacitor degradation and gate driver board faults, both of which are accelerated by sustained operation at high ambient temperatures or inadequate enclosure ventilation. Electrolytic capacitors on the DC link are consumable components with a service life closely tied to thermal cycling, and units installed in poorly ventilated panels may exhibit intermittent overvoltage trips or output phase asymmetry well before the drive's rated service hours are reached. The control board's EEPROM can also corrupt parameter storage following repeated power cycling without a controlled shutdown sequence, presenting as parameter loss or unexpected factory-default behavior on startup. Technicians sourcing an \u003cstrong\u003e\u003cstrong\u003eSP1406\u003c\/strong\u003e replacement\u003c\/strong\u003e or looking to \u003cstrong\u003ebuy SP1406\u003c\/strong\u003e stock as a cabinet spare should verify that stored units have been function-tested and that capacitor health has been assessed, particularly on drives with unknown storage histories. Those evaluating \u003cstrong\u003eSP1406 repair\u003c\/strong\u003e versus exchange should factor in that board-level repair is feasible on this platform given the availability of documented schematic data and compatible passive components. Our \u003ca href=\"https:\/\/flexa-systems.com\/pages\/vfd-repair\"\u003eindustrial \u003cstrong\u003eVFD\u003c\/strong\u003e repair services\u003c\/a\u003e cover this model with bench testing under load conditions that verify output waveform integrity and parameter retention before return. \u003cstrong\u003eFlexa Systems\u003c\/strong\u003e offers \u003cstrong\u003eSP1406 repair\u003c\/strong\u003e, \u003cstrong\u003erefurbished\u003c\/strong\u003e SP1406 units, or new SP1406 from Lewisville TX — repairs include a \u003cstrong\u003e2-year warranty\u003c\/strong\u003e.\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;\"\u003eSP1406\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;\"\u003eControl Techniques\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 SP1406 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 Control Techniques SP1406 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 SP1406 in original Control Techniques 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 Control Techniques SP1406 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":"Control Techniques","offers":[{"title":"Repair Service","offer_id":53853087826195,"sku":"2100000002320","price":970.0,"currency_code":"USD","in_stock":true},{"title":"Refurbished","offer_id":53885647618323,"sku":"2100000002320","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Brand New","offer_id":53885647651091,"sku":"2100000002320","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/1948\/5715\/files\/121bfbfea00340eb809bd4425abaeb34_default.png?v=1771751278"}],"url":"https:\/\/flexa-systems.com\/collections\/control-techniques.oembed","provider":"Flexa Systems","version":"1.0","type":"link"}