{"title":"Soft Starters","description":"\u003cp\u003eMotor soft starters for reduced-voltage motor starting in industrial applications. Shop brand new and refurbished soft starters from major manufacturers, or send your faulty unit for expert repair. All units tested with motor simulation before shipping. Fast turnaround, nationwide service from Texas.\u003c\/p\u003e","products":[{"product_id":"pse250-600-70-1","title":"ABB PSE250-600-70-1","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\"\u003eEngineers integrating \u003cstrong\u003eABB\u003c\/strong\u003e's product line rely on the \u003cstrong\u003ePSE250-600-70-1\u003c\/strong\u003e as a core \u003cstrong\u003evariable frequency drive\u003c\/strong\u003e within the PSE series, a family of drives engineered for demanding industrial motor control applications. The \u003cstrong\u003e\u003cstrong\u003eABB\u003c\/strong\u003e \u003cstrong\u003ePSE250-600-70-1\u003c\/strong\u003e\u003c\/strong\u003e is a 250-horsepower, 600V-class \u003cstrong\u003eVFD\u003c\/strong\u003e rated at 70 amps continuous output, designed to regulate AC induction motor speed and torque through precise pulse-width modulation. Positioned in the mid-to-high power tier of the PSE lineup, this unit bridges the gap between lighter-duty drives and the larger frame sizes required for heavy industrial machinery. Its primary function is closed-loop or open-loop speed control of three-phase motors, enabling energy savings and process accuracy that fixed-speed starters cannot provide. The 600V voltage rating makes the \u003cstrong\u003eABB PSE250-600-70-1\u003c\/strong\u003e particularly well suited to North American industrial facilities where 480V and 600V distribution is standard. At 250 HP, this drive handles loads that would challenge smaller PSE variants, making it a go-to selection for mechanical engineers specifying motor control for high-inertia or variable-torque loads.\u003c\/p\u003e\n  \u003cp class=\"desc-intro\"\u003eOn the technical side, the \u003cstrong\u003ePSE250-600-70-1\u003c\/strong\u003e distinguishes itself from lower-amperage PSE siblings through its larger heat sink assembly, expanded internal bus capacitance, and the dynamic braking circuitry capable of handling the regenerative energy generated during deceleration of high-inertia loads. The drive supports a range of communication protocols including Modbus RTU, DeviceNet, and PROFIBUS-DP through optional fieldbus adapter modules, allowing it to interface with Allen-Bradley ControlLogix PLCs, Siemens S7 series controllers, and other industrial automation platforms without custom signal conditioning. \u003cstrong\u003eABB\u003c\/strong\u003e's DriveStudio and Drive Composer software tools handle parameter configuration, diagnostics logging, and firmware management for the \u003cstrong\u003ePSE250-600-70-1\u003c\/strong\u003e, reducing commissioning time on complex installations. This unit sees frequent deployment in pulp and paper mill stock preparation, municipal water treatment pump stations, cement plant kiln feed conveyors, and automotive paint shop exhaust fan systems — environments where continuous duty at elevated ambient temperatures is the norm rather than the exception. Engineers sourcing or evaluating \u003ca href=\"\/collections\/vfd\"\u003eour \u003cstrong\u003eVFD\u003c\/strong\u003e repair catalog\u003c\/a\u003e will find the PSE250-600-70-1 represented alongside comparable frame-size drives from competing manufacturers. The drive's adjustable carrier frequency and built-in EMC filtering also make it a viable candidate for semiconductor wafer handling facilities and pharmaceutical mixing lines where electrical noise budgets are tightly controlled.\u003c\/p\u003e\n  \u003cp class=\"desc-intro\"\u003eOver years of continuous operation, the \u003cstrong\u003ePSE250-600-70-1\u003c\/strong\u003e accumulates wear in predictable patterns that maintenance engineers familiar with \u003cstrong\u003eABB\u003c\/strong\u003e \u003cstrong\u003eVFD\u003c\/strong\u003e platforms will recognize: DC bus electrolytic capacitors degrade and lose capacitance, the internal cooling fans develop bearing noise and reduced airflow, and IGBT gate driver boards can exhibit intermittent fault behavior as thermal cycling stresses solder joints over thousands of on-off cycles. In dusty or chemically aggressive environments, the control board conformal coating may fail to prevent corrosion on low-voltage signal traces, producing erratic speed reference behavior or spurious fault codes. Power terminals and bus bar connections can develop resistance from micro-fretting under vibration, occasionally masking themselves as intermittent overcurrent trips rather than connection issues. Facilities evaluating a \u003cstrong\u003e\u003cstrong\u003ePSE250-600-70-1\u003c\/strong\u003e replacement\u003c\/strong\u003e after a catastrophic fault — or those looking to \u003cstrong\u003ebuy PSE250-600-70-1\u003c\/strong\u003e units as tested spares ahead of a planned shutdown — should account for lead times on new \u003cstrong\u003eABB\u003c\/strong\u003e stock, which can extend several weeks for this frame size. Scheduling proactive \u003ca href=\"\/pages\/vfd-repair\"\u003eindustrial \u003cstrong\u003eVFD\u003c\/strong\u003e repair services\u003c\/a\u003e before failure is typically more cost-effective than emergency sourcing. For facilities with established ABB fleets, \u003ca href=\"\/pages\/abb-repair\"\u003eABB VFD repair\u003c\/a\u003e programs can address \u003cstrong\u003ePSE250-600-70-1 repair\u003c\/strong\u003e needs alongside other drive models under a single service agreement, and \u003cstrong\u003ePSE250-600-70-1 \u003cstrong\u003erefurbished\u003c\/strong\u003e\u003c\/strong\u003e stock offers a tested alternative when \u003cstrong\u003enew units\u003c\/strong\u003e are unavailable. Sourcing options for the PSE250-600-70-1 include depot repair, in-stock \u003cstrong\u003erefurbished\u003c\/strong\u003e units, and new replacement supply through \u003cstrong\u003eFlexa Systems\u003c\/strong\u003e in Lewisville, TX, with a \u003cstrong\u003e2-year warranty\u003c\/strong\u003e on all repairs.\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;\"\u003ePSE250-600-70-1\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;\"\u003eABB\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;\"\u003eVoltage\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;color:#1f2937;font-size:13px;\"\u003e600VV\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 PSE250-600-70-1 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 ABB PSE250-600-70-1 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 PSE250-600-70-1 in original ABB 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 ABB PSE250-600-70-1 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":"ABB","offers":[{"title":"Repair Service","offer_id":53853104079123,"sku":"2100000003822","price":1610.0,"currency_code":"USD","in_stock":true},{"title":"Refurbished","offer_id":53884501066003,"sku":"2100000003822","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Brand New","offer_id":53884501098771,"sku":"2100000003822","price":2980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/1948\/5715\/files\/337f30053f9643f2ba49a42cccfaae76_default.jpg?v=1771751778"},{"product_id":"150-a35nb-na","title":"Allen-Bradley 150-A35NB-NA","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\"\u003eEngineers integrating \u003cstrong\u003eALLEN BRADLEY\u003c\/strong\u003e's product line rely on the \u003cstrong\u003e150-A35NB-NA\u003c\/strong\u003e as a core soft-starter unit within the SMC-3 series, designed to manage motor acceleration and deceleration without the full frequency-conversion architecture of a conventional \u003cstrong\u003evariable frequency drive\u003c\/strong\u003e. The \u003cstrong\u003e\u003cstrong\u003eALLEN BRADLEY\u003c\/strong\u003e \u003cstrong\u003e150-A35NB-NA\u003c\/strong\u003e\u003c\/strong\u003e carries a 35-amp continuous current rating and is configured for three-phase motor loads in the NEMA B frame class, operating on standard industrial voltages in North American distribution. Unlike a traditional \u003cstrong\u003eVFD\u003c\/strong\u003e, this device controls motor ramp-up by reducing applied voltage during startup, limiting inrush current and mechanical stress on connected equipment. The unit ships without a bypass contactor in its base configuration, placing control responsibility on the external panel design. Its compact footprint and DIN-rail or panel-mount compatibility make it practical for both retrofit installations and new motor control center builds. The 150-A35NB-NA is factory-configured for straightforward parameter setup, requiring minimal commissioning time compared to full-featured drives in the PowerFlex family.\u003c\/p\u003e\n  \u003cp class=\"desc-intro\"\u003eOn the technical side, the \u003cstrong\u003e150-A35NB-NA\u003c\/strong\u003e communicates through hardwired I\/O in its base configuration, though the SMC-3 platform supports optional DeviceNet connectivity modules that allow integration with Allen-Bradley PLCs such as the MicroLogix and CompactLogix families via standard network topology. The unit includes built-in motor protection functions — current imbalance detection, overload protection, and phase-loss sensing — which reduce the external relay count required in a panel design. Compared to higher-tier SMC-Flex units, the \u003cstrong\u003e150-A35NB-NA\u003c\/strong\u003e omits advanced features like soft-stop with braking and multi-motor sequencing, making it the appropriate selection when budget and simplicity outrank programmable flexibility. Programming is handled through Studio 5000 Logix Designer or legacy RSLogix 5000 when networked, while standalone operation requires only external switch inputs. Facilities commonly deploying this soft-starter include municipal water treatment plants running centrifugal pump arrays, commercial HVAC contractors controlling large air handling units, and food-processing lines where conveyor motors require controlled acceleration to prevent product spillage. Engineers looking at \u003ca href=\"\/collections\/vfd\"\u003eour \u003cstrong\u003eVFD\u003c\/strong\u003e repair catalog\u003c\/a\u003e will find the 150-A35NB-NA listed alongside comparable soft-starters and full \u003cstrong\u003evariable frequency drive\u003c\/strong\u003e units across multiple manufacturers. \u003ca href=\"\/pages\/allen-bradley-repair\"\u003e\u003cstrong\u003eALLEN BRADLEY\u003c\/strong\u003e repair\u003c\/a\u003e coverage for the SMC-3 series reflects the platform's continued field presence across North American industrial sites.\u003c\/p\u003e\n  \u003cp class=\"desc-intro\"\u003eOver years of continuous operation, the \u003cstrong\u003e150-A35NB-NA\u003c\/strong\u003e is subjected to thermal cycling that degrades the SCR (silicon-controlled rectifier) power modules, particularly in applications with high daily start frequency such as pump-and-tank systems that cycle dozens of times per shift. Internal bypass relay contacts are another common wear point; arcing over time can produce intermittent fault codes or failure to bypass at full speed, a symptom that can be misread as a logic fault rather than a hardware issue. The control board's electrolytic capacitors also degrade under sustained elevated ambient temperatures, leading to erratic parameter retention or nuisance trips. Facilities sourcing a \u003cstrong\u003e\u003cstrong\u003e150-A35NB-NA\u003c\/strong\u003e replacement\u003c\/strong\u003e for an aging unit should verify the firmware revision compatibility with existing PLC programs before installation, since mid-series hardware revisions altered certain fault-code behavior. For operations actively searching for a \u003cstrong\u003e150-A35NB-NA for sale\u003c\/strong\u003e through an exchange or \u003cstrong\u003erefurbished\u003c\/strong\u003e channel, confirming SCR health through a load test prior to reinstallation is advisable. Our \u003ca href=\"\/pages\/vfd-repair\"\u003eindustrial \u003cstrong\u003eVFD\u003c\/strong\u003e repair services\u003c\/a\u003e address the specific failure modes common to SMC-3 units, including SCR replacement and control board restoration for the \u003cstrong\u003e\u003cstrong\u003eALLEN BRADLEY\u003c\/strong\u003e 150-A35NB-NA\u003c\/strong\u003e. Sourcing options for the 150-A35NB-NA include depot repair, in-stock \u003cstrong\u003erefurbished\u003c\/strong\u003e units, and new replacement supply through \u003cstrong\u003eFlexa Systems\u003c\/strong\u003e in Lewisville, TX, with a \u003cstrong\u003e2-year warranty\u003c\/strong\u003e on all repairs.\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;\"\u003e150-A35NB-NA\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;\"\u003eALLEN BRADLEY\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 150-A35NB-NA 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 ALLEN BRADLEY 150-A35NB-NA 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 150-A35NB-NA in original ALLEN BRADLEY 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 ALLEN BRADLEY 150-A35NB-NA 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":"Allen-Bradley","offers":[{"title":"Repair Service","offer_id":53853106241811,"sku":"2100000003808","price":1299.0,"currency_code":"USD","in_stock":true},{"title":"Refurbished","offer_id":53884501131539,"sku":"2100000003808","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Brand New","offer_id":53884501164307,"sku":"2100000003808","price":2650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/1948\/5715\/files\/3bc7105d813c4b25bd430ba878bde7b7_default.jpg?v=1771751792"}],"url":"https:\/\/flexa-systems.com\/collections\/soft-starters.oembed","provider":"Flexa Systems","version":"1.0","type":"link"}